3016 Oxidation of ricinoleic acid (from castor oil) with KMnO 4 to azelaic acid
|
|
- Elvin Ellis
- 6 years ago
- Views:
Transcription
1 6 Oxidation of ricinoleic acid (from castor oil) with KMnO 4 to azelaic acid CH -(CH ) OH (CH ) -COOH KMnO 4 /KOH HOOC-(CH ) -COOH C H 4 O (.) KMnO 4 KOH (.) (6.) C H 6 O 4 (.) Classification Reaction types and substance classes oxidation alkene, carboxylic acid, renewable resources Work methods heating under reflux, stirring with magnetic stir bar, stirring with KPG stirrer, adding dropwise with an addition funnel, shaking out, extracting, evaporating with rotary evaporator, filtering, recrystallizing, heating with oil bath Instruction (batch scale 4 mmol) Equipment ml round-bottom flask, ml three-neck flask, reflux condenser, internal thermometer, addition funnel with pressure balance, heatable magnetic stirrer, magnetic stir bar, KPG-stirrer, 4 ml beaker, ml beaker, ml Erlenmeyer flask, separating funnel, rotary evaporator, Buechner funnel, suction flask, desiccator, oil bath Substances castor oil potassium hydroxide potassium permanganate ethanol (bp C) tert-butyl methyl ether (bp C) conc. sulfuric acid Celite (filter help) ice 4 g (etwa 4 mmol) 4. g ( mmol).6 g ( mmol) 4 ml ml ml g
2 Preparation of ricinoleic acid from castor oil Reaction 4 g (about 4 mmol) castor oil are filled in a ml round bottom flask with magnetic stir bar and reflux condenser, containing a solution of. g (6 mmol) KOH in 4 ml ethanol. The mixture is heated under stirring for 4 hours under reflux. Work up The cooled mixture is poured in a 4 ml beaker containig g ice. Then carefully, under strong stirring with a glas rod the solution of ml conc. sulphuric acid in 6 ml water is added until clear acidic reaction; thereby the crude ricinoleic acid separates as an oil. The phases are separated in the separating funnel, the aqueous phase is extracted with ml tertbutyl methyl ether. Oil and ether extract are combined and the solvent is evaporated at a rotary evaporator. The ricinoleic acid remains as oily residue. Yield: g (etwa 4 mmol) Oxidation of the ricinoleic acid Reaction g (4 mmol) crude ricinoleic acid are dissolved in a ml Erlenmeyer flask, containing a solution of. g (6 mmol) KOH in ml water. In a ml three-neck flask equipped with KPG-stirrer and internal thermometer,.6 g ( mmol) potassium permanganate are dissolved in ml water at an internal temperature of about C. Under strong stirring the alkaline solution in the Erlenmeyer flask is added at once to the ricinoleic acid in the threeneck flask. A reflux condenser is installed on the free openingof the flask and the mixture is stirred without further heating or cooling until the colour of permanganate has disappeared (about minutes). For a better examination of the colour, a small sample of the solution is diluted in a test tube with water. Work up The reflux condenser is replaced for a short time through an addition funnel with pressure balance. Under stirring a solution of ml conc. sulfuric acid in ml water is slowly added dropwise. The reaction mixture with the reflux condenser is heated in an oil bath for minutes to about C in order to reach a better conglomeration and precipitation of the product. The mixture is filtered over a large Buechner funnel, the filterpaper of which has been moistened and covered with a layer of Celite. The filter residue is boiled in a ml beaker with ml water and again filtered. The combined filtrates are concentrated under reduced pressure at a rotary evaporator (about hpa) to - ml. The flask is put in an ice bath, the product crystallizes. It is sucked off, washed with little cold water and dried in the desiccator. Crude yield: 4. g For purification the crude product is dissolved in about ml hot water and filtered while hot. It is slowly cooled down to room temperature, again cooled in an ice bath, sucked off, then washed with ml ice water and dried in the desiccator. Yield:. g (. mmol, %); colourless solid, mp 4-6 C
3 Waste management Waste disposal Waste aqueous phase from preparation of the ricinoleic acid evaporated tert-butyl methyl ether (might contain ethanol) filter residue with Celite aqueous filtrates from preparation of the azelaic acid evaporated water Disposal solvent water mixtures, halogen free organic solvent, halogen free solid waste, free from mercury, containing heavy metal solvent water mixtures, halogen free sewerage system Time hours Break After isolation of the ricinoleic acid After sucking off the MnO Before recrystallization Degree of difficulty Medium Analytics TLC TLC-conditions: adsorbant: eluent: visualization: Merck silica gel 6 F 4, x cm ethanol Tillmanns-reagent-TLC-solution. The spots appear as pink marks after the plate was dipped in the solution and dried by a slight heating with a hot-air dryer. reagent solution:.%ige solution from,6-dichlorophenolindophenol sodium salt in % ethanol R f (ricinoleic acid). R f (azelaic acid).6
4 TLC a) ricinoleic acid b) crude product c) azelaic acid a b c C NMR spectrum of the pure product (6. MHz, DMSO-D 6 ) 4 6 HOOC COOH δ (ppm) Assignment. C-, C-.6 C-. C-4, C-6. C-, C-.4 COOH. solvent 4
5 H NMR spectrum of the crude product ( MHz, DMSO-D 6 ) H NMR spectrum of the pure product ( MHz, DMSO-D 6 ) 4 6 HOOC COOH δ (ppm) Multiplicity Number of H Assignment. m 6 4-H, -H, 6-H.4 m 4 -H, -H. t, J =. Hz 4 -H, -H ~ bs COOH.4 solvent
6 IR spectrum of the crude product (KBr) 6 Transmission [%] 4 4 Wellenzahl [cm - ] IR spectrum of the pure product (KBr) 6 Transmission [%] 4 4 Wellenzahl [cm - ] (cm - ) Assignment - O-H-valence, carboxylic acid 6, C-H-valence, alkane, O-H 4 C=O-valence, carboxylic acid 6
Pectins. Residue Monograph prepared by the meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), 82 nd meeting 2016
Residue Monograph prepared by the meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), 82 nd meeting 2016 Pectins This monograph was also published in: Compendium of Food Additive Specifications.
More informationSupporting Information for. Boronic Acid Functionalized Aza-Bodipy (azabdpba) based Fluorescence Optodes for the. analysis of Glucose in Whole Blood
Supporting Information for Boronic Acid Functionalized Aza-Bodipy (azabdpba) based Fluorescence Optodes for the analysis of Glucose in Whole Blood Yueling Liu, Jingwei Zhu, Yanmei Xu, Yu Qin*, Dechen Jiang*
More informationMasatoshi Shibuya,Takahisa Sato, Masaki Tomizawa, and Yoshiharu Iwabuchi* Department of Organic Chemistry, Graduate School of Pharmaceutical Sciences,
Oxoammonium ion/naclo 2 : An Expedient, Catalytic System for One-pot Oxidation of Primary Alcohols to Carboxylic Acid with Broad Substrate Applicability Masatoshi Shibuya,Takahisa Sato, Masaki Tomizawa,
More informationSupporting Information. for. Pd-catalyzed decarboxylative Heck vinylation of. 2-nitro-benzoates in the presence of CuF 2
Supporting Information for Pd-catalyzed decarboxylative Heck vinylation of 2-nitro-benzoates in the presence of CuF 2 Lukas J. Gooßen*, Bettina Zimmermann, Thomas Knauber Address: Department of Chemistry,
More informationTHERMALLY OXIDIZED SOYA BEAN OIL
THERMALLY OXIDIZED SOYA BEAN OIL Prepared at the 39th JECFA (1992), published in FNP 52 Add 1 (1992). Metals and arsenic specifications revised at the 55th JECFA (2000). An ADI of 0-3 mg/kg bw was established
More information12BL Experiment 2: Extraction & Saponification of Trimyristin from Nutmeg
12BL Experiment 2: Extraction & Saponification of Trimyristin from Nutmeg Safety: Proper lab goggles/glasses must be worn (even over prescription glasses). Heating of organic solvents releases irritating
More information4.2 Aims and Objectives
4.1 Introduction The reaction between the products of interaction of halogens and silver salts of carboxylic acids and olefns forms the basis of the Woodward and Prevost methods of cis- and trans- hydroxylations
More informationEXPERIMENT 4 DETERMINATION OF REDUCING SUGARS, TOTAL REDUCING SUGARS, SUCROSE AND STARCH
Practical Manual Food Chemistry and Physiology EXPERIMENT 4 DETERMINATION OF REDUCING SUGARS, TOTAL REDUCING SUGARS, SUCROSE AND STARCH Structure 4.1 Introduction Objectives 4.2 Experiment 4a: Reducing
More informationph Switchable and Fluorescent Ratiometric Squarylium Indocyanine Dyes as Extremely Alkaline Sensors
ph Switchable and Fluorescent Ratiometric Squarylium Indocyanine Dyes as Extremely Alkaline Sensors Jie Li, Chendong Ji, Wantai Yang, Meizhen Yin* State Key Laboratory of Chemical Resource Engineering,
More informationSupporting Information. Efficient copper-catalyzed Michael addition of acrylic derivatives with primary alcohols in the presence of base
Supporting Information Efficient copper-catalyzed Michael addition of acrylic derivatives with primary alcohols in the presence of base Feng Wang, a Haijun Yang, b Hua Fu, b,c * and Zhichao Pei a * a College
More informationPetrolatum. Stage 4, Revision 1. Petrolatum is a purified semi solid mixture of hydrocarbons obtained from petroleum.
1 001-1208PDG.pdf Petrolatum Stage 4, Revision 1 Definition Petrolatum is a purified semi solid mixture of hydrocarbons obtained from petroleum. It may contain a suitable antioxidant. Description and Solubility
More informationElectronic Supplementary Information
Electronic Supplementary Information A Novel and Facile Zn-mediated Intramolecular Five-membered Cyclization of β-tetraarylporphyrin Radicals from β-bromotetraarylporphyrins Dong-Mei Shen, Chao Liu, Qing-Yun
More informationSupplemental Information. Reactivity of Monovinyl (Meth)Acrylates Containing Cyclic Carbonates
Supplemental Information Reactivity of Monovinyl (Meth)Acrylates Containing Cyclic Carbonates Kathryn A. Berchtold a, Jun Nie b, Jeffrey W. Stansbury c, d, and Christopher N. Bowman c, d, a Materials Science
More information(Writing model for laboratory note book)
Paper: Lab 50 Syllabus *************************************************************************** Experiment: Organic Qualitative analysis 1) Detection of elements (Nitrogen, Sulphur and halogens). 2)
More informationSupporting Information. Radical fluorination powered expedient synthesis of 3 fluorobicyclo[1.1.1]pentan 1 amine
Electronic Supplementary Material (ESI) for rganic & Biomolecular Chemistry. This journal is The Royal Society of Chemistry 2015 Supporting Information Radical fluorination powered expedient synthesis
More informationSupporting Information for. Use of the Curtius Rearrangement of Acryloyl Azides in the Synthesis of. 3,5-Disubstituted Pyridines: Mechanistic Studies
Supporting Information for Use of the Curtius Rearrangement of Acryloyl Azides in the Synthesis of 3,5-Disubstituted Pyridines: Mechanistic Studies Ta-Hsien Chuang* a, Yu-Chi Chen b and Someshwar Pola
More informationSupporting Information. Copper-catalyzed cascade synthesis of benzimidazoquinazoline derivatives under mild condition
Supporting Information Copper-catalyzed cascade synthesis of benzimidazoquinazoline derivatives under mild condition Shan Xu, Juyou Lu and Hua Fu* Key Laboratory of Bioorganic Phosphorus Chemistry and
More information6.02 Uniformity of Dosage Units
6.02 Uniformity of Dosage Units Change 1. Content Uniformity, 3. Criteria and Table 6.02-2 as follows: 1. Content Uniformity Select not less than 30 units, and proceed as follows for the dosage form designated.
More informationLewis acid-catalyzed regioselective synthesis of chiral α-fluoroalkyl amines via asymmetric addition of silyl dienolates to fluorinated sulfinylimines
Supporting Information for Lewis acid-catalyzed regioselective synthesis of chiral α-fluoroalkyl amines via asymmetric addition of silyl dienolates to fluorinated sulfinylimines Yingle Liu a, Jiawang Liu
More information» Croscarmellose Sodium is a cross linked polymer of carboxymethylcellulose sodium.
BRIEFING Croscarmellose Sodium, NF 22 page 2856 and page 702 of PF 30(2) [Mar. Apr. 2004]. A modification is made in the test for Degree of substitution to correct the endpoint color to agree with the
More informationTHERMALLY OXIDIZED SOYA BEAN OIL interacted with MONO- and DIGLYCERIDES of FATTY ACIDS
THERMALLY OXIDIZED SOYA BEAN OIL interacted with MONO- and DIGLYCERIDES of FATTY ACIDS Prepared at the 39th JECFA (1992), published in FNP 52 Add 1 (1992). Metals and arsenic specifications revised at
More informationSupporting Information. for. Synthesis of 2,1-benzisoxazole-3(1H)-ones by basemediated. photochemical N O bond-forming
Supporting Information for Synthesis of 2,1-benzisoxazole-3(1H)-ones by basemediated photochemical N O bond-forming cyclization of 2-azidobenzoic acids Daria Yu. Dzhons and Andrei V. Budruev* Address:
More informationPreparation of Penicillins by Acylation of 6-Aminopenicillanic acid with Acyl Chlorides Week One: Synthesis
Preparation of Penicillins by Acylation of 6-Aminopenicillanic acid with Acyl Chlorides Week One: Synthesis Wear gloves during this experiment. Dissolve 1.05g of sodium bicarbonate in 12mL of acetone:
More informationElectronic Supplementary Information (ESI)
Electronic Supplementary Information (ESI) Mild and convenient one-pot synthesis of 2-amino-1,3,4-oxadiazoles promoted by trimethylsilyl isothiocyanate (TMSNCS) Dinneswara Reddy Guda, Hyeon Mo Cho, Myong
More informationNitro-Grela-type complexes containing iodides. robust and selective catalysts for olefin metathesis
Supporting Information for Nitro-Grela-type complexes containing iodides robust and selective catalysts for olefin metathesis under challenging conditions. Andrzej Tracz, 1,2 Mateusz Matczak, 1 Katarzyna
More informationBRIEFING Assay + + +
BRIEFING Sodium Starch Glycolate, NF 22 page 2933 and page 3202 of PF 22(6) [Nov. Dec. 1996]. The United States Pharmacopeia is the coordinating pharmacopeia for the international harmonization of the
More informationMost of the ethanol that is used as a biofuel in this country is produced from corn.
Chem 251 Ethanol from Corn Most of the ethanol that is used as a biofuel in this country is produced from corn. In this experiment you will make ethanol from frozen corn kernels using a process similar
More informationDirect ortho-c H Functionalization of Aromatic Alcohols Masked by Acetone Oxime Ether via exo-palladacycle
Direct ortho-c H Functionalization of Aromatic Alcohols Masked by Acetone Oxime Ether via exo-palladacycle Kun Guo, Xiaolan Chen, Mingyu Guan, and Yingsheng Zhao* Key Laboratory of Organic Synthesis of
More informationL-Carnosine-Derived Fmoc-Tripeptides Forming ph- Sensitive and Proteolytically Stable Supramolecular
Supporting Information: L-Carnosine-Derived Fmoc-Tripeptides Forming ph- Sensitive and Proteolytically Stable Supramolecular Hydrogels Rita Das Mahapatra, a Joykrishna Dey* a, and Richard G. Weiss b a
More informationStereoselective Aza-Darzens Reactions of Tert- Butanesulfinimines: Convenient Access to Chiral Aziridines
Stereoselective Aza-Darzens Reactions of Tert- Butanesulfinimines: Convenient Access to Chiral Aziridines Toni Moragas Solá, a Ian Churcher, b William Lewis a and Robert A. Stockman* a Supplementary Information
More informationCatalyst-free chemoselective N-tert-butyloxycarbonylation of amines in water
SUPPORTING INFORMATION Catalyst-free chemoselective N-tert-butyloxycarbonylation of amines in water Sunay V. Chankeshwara and Asit K. Chakraborti* National Institute of Pharmaceutical Education and Research
More informationEur. J. Org. Chem WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2007 ISSN X SUPPORTING INFORMATION
Eur. J. Org. Chem. 2007 WILEY-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, 2007 ISSN 1434 193X SUPPORTING INFORMATION Title: Effect of Varying the Anionic Component of a Copper(I) Catalyst on Homologation
More informationFeedstuffs Analysis G-22-1 PROTEIN
Feedstuffs Analysis G-22-1 PROTEIN PRINCIPLE SCOPE Many modifications of the Kjeldahl method have been accepted for the estimation of protein in organic materials. It comprises sample oxidation and conversion
More informationNovel D-erythro N-Octanoyl Sphingosine Analogs As Chemo- and Endocrine. Resistant Breast Cancer Therapeutics
Page 11 of 32 Cancer Chemotherapy and Pharmacology Novel D-erythro N-Octanoyl Sphingosine Analogs As Chemo- and Endocrine Resistant Breast Cancer Therapeutics James W. Antoon, Jiawang Liu, Adharsh P. Ponnapakkam,
More informationDetermination of Tanninoids. Analytical Pharmacognosy
QUIZ If the manager of a phytopharmaceutical industry wish to buy one chromatographic equipment, which one you recommend, HPLC or TLC densitometer. What are the reasons to support your recommendation.
More informationSupporting Information
Electronic Supplementary Material (ESI) for ChemComm. This journal is The Royal Society of Chemistry 2018 Supporting Information Facile Three-Step Synthesis and Photophysical Properties of [8]-, [9]-,
More informationSupporting Information. for. Access to pyrrolo-pyridines by gold-catalyzed. hydroarylation of pyrroles tethered to terminal alkynes
Supporting Information for Access to pyrrolo-pyridines by gold-catalyzed hydroarylation of pyrroles tethered to terminal alkynes Elena Borsini 1, Gianluigi Broggini* 1, Andrea Fasana 1, Chiara Baldassarri
More informationSupporting Information for
Supporting Information for Tandem Mass Spectrometry Assays of Palmitoyl Protein Thioesterase and Tripeptidyl Peptidase Activity in Dried Blood Spots for the Detection of Neuronal Ceroid Lipofuscinoses
More information22. The Fischer Esterification
22. The Fischer Esterification A. Background Esters are an incredibly important functional group in organic chemistry. Esters are typically very pleasant smelling molecules and are therefore frequently
More informationSupporting Information
Supporting Information Synthesis of N-Heteropolycyclic Compounds Including Quinazolinone Skeletons by Using Friedel-Crafts Alkylation Bu Keun Oh, Eun Bi Ko, Jin Wook Han* and Chang Ho Oh* Department of
More informationDRAFT EAST AFRICAN STANDARD
DEAS 847-5: 2015 ICS 71.100.70 DRAFT EAST AFRICAN STANDARD Oils for cosmetic industry Methods of test Part 5: Determination of unsaponifiable matter EAST AFRICAN COMMUNITY EAS 2015 First Edition 2015 Copyright
More informationDirect Aerobic Carbonylation of C(sp 2 )-H and C(sp 3 )-H Bonds through Ni/Cu Synergistic Catalysis with DMF as the Carbonyl Source
Direct Aerobic Carbonylation of C(sp 2 )-H and C(sp 3 )-H Bonds through Ni/Cu Synergistic Catalysis with DMF as the Carbonyl Source Xuesong Wu, Yan Zhao, and Haibo Ge* Table of Contents General Information...
More informationStudent Handout. This experiment allows you to explore the properties of chiral molecules. You have
Student Handout This experiment allows you to explore the properties of chiral molecules. You have learned that some compounds exist as enantiomers non-identical mirror images, such as your left and right
More informationSupporting information
Supporting information Conformationally Induced Off-On Cell Membrane Chemosensor Targeting Receptor Protein-Tyrosine Kinases for in Vivo and in Vitro Fluorescence Imaging of Cancers Yang Jiao,, Jiqiu Yin,
More informationSupporting Information. Copyright Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, 2006
Supporting Information Copyright Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, 2006 Gold Catalysis: The Phenol Synthesis in the Presence of Functional Groups A. Stephen K. Hashmi, Jan P. Weyrauch,
More informationCDI Mediated Monoacylation of Symmetrical Diamines and Selective Acylation of Primary Amines of Unsymmetrical Diamines
Supporting information: CDI Mediated Monoacylation of Symmetrical Diamines and Selective Acylation of Primary Amines of Unsymmetrical Diamines Sanjeev K. Verma*, Ramarao Ghorpade, Ajay Pratap and M. P.
More informationAllenylphosphine oxides as simple scaffolds for. phosphinoylindoles and phosphinoylisocoumarins
Supporting Information for Allenylphosphine oxides as simple scaffolds for phosphinoylindoles and phosphinoylisocoumarins G. Gangadhararao, Ramesh Kotikalapudi, M. Nagarjuna Reddy and K. C. Kumara Swamy*
More informationHydroxypropyl Starch (Tentative)
Residue Monograph prepared by the meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), 82 nd meeting 2016 Hydroxypropyl Starch (Tentative) This monograph was also published in: Compendium
More informationSupporting Information
Supporting Information Wiley-VCH 2008 69451 Weinheim, Germany Supporting Information Enantioselective Cu-catalyzed 1,4-Addition of Various Grignard Reagents to Cyclohexenone using Taddol-derived Phosphine-Phosphite
More informationEnantioselective synthesis of anti- and syn-β-hydroxy-α-phenyl carboxylates via boron-mediated asymmetric aldol reaction
Enantioselective synthesis of anti- and syn-β-hydroxy-α-phenyl carboxylates via boron-mediated asymmetric aldol reaction P. Veeraraghavan Ramachandran* and Prem B. Chanda Department of Chemistry, Purdue
More informationSupplemental Material
Supplemental Material General Methods Unless otherwise indicated, all anhydrous solvents were commercially obtained and stored under nitrogen. Reactions were performed under an atmosphere of dry nitrogen
More informationPurity Tests for Modified Starches
Residue Monograph prepared by the meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), 82 nd meeting 2016 Purity Tests for Modified Starches This monograph was also published in: Compendium
More informationSupporting Information
Zinc-Mediated Addition of Diethyl Bromomalonate to Alkynes for the Cascade Reaction towards Polysubstituted Pyranones and Tetracarbonyl Derivatives Anne Miersch, Klaus Harms, and Gerhard Hilt* Fachbereich
More informationOrganic Letters. Synthesis of Oxygen-Free [2]Rotaxanes: Recognition of Diarylguanidinium Ions by Tetraazacyclophanes. and Sheng-Hsien Chiu*
Organic Letters Synthesis of Oxygen-Free [2]Rotaxanes: Recognition of Diarylguanidinium Ions by Tetraazacyclophanes Yu-Hsuan Chang, Yong-Jay Lee, Chien-Chen Lai, Yi-Hung Liu, Shie-Ming Peng, and Sheng-Hsien
More informationRegioective Halogenation of 2-Substituted-1,2,3-Triazole via sp 2 C-H Activation
Regioective Halogenation of 2-Substituted-1,2,3-Triazole via sp 2 C-H Activation Qingshan Tian, Xianmin Chen, Wei Liu, Zechao Wang, Suping Shi, Chunxiang Kuang,* Department of Chemistry, Tongji University,
More informationp-toluenesulfonic Acid-Mediated 1,3-Dipolar Cycloaddition of
Supporting Information for: p-toluenesulfonic Acid-Mediated 1,3-Dipolar Cycloaddition of Nitroolefins with NaN 3 for Synthesis of 4-Aryl-NH-1,2,3-triazoles Xue-Jing Quan, Zhi-Hui Ren, Yao-Yu Wang, and
More informationExperiment Optional #2: The Synthesis of Aspirin
Experiment Optional #2: The Synthesis of Aspirin The natural world provides us with many of the medications in common use today. Taxol is the common name of a medication used in treating certain cancers;
More informationSynthesis and Blastocyst Implantation Inhibition Potential of Lupeol Derivatives in Female Mice
Supporting Information Rec. Nat. Prod. 9:4 (2015) 561-566 Synthesis and Blastocyst Implantation Inhibition Potential of Lupeol Derivatives in Female Mice Anita Mahapatra 1*, Purvi Shah 1, Mehul Jivrajani
More informationA pillar[2]arene[3]hydroquinone which can self-assemble to a molecular zipper in the solid state
A pillar[2]arene[3]hydroquinone which can self-assemble to a molecular zipper in the solid state Mingguang Pan, Min Xue* Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China Fax:
More informationON TEA TANNIN ISOLATED FROM GREEN TEA.
70 [Vol. 6 ON TEA TANNIN ISOLATED FROM GREEN TEA. By MICHIYO TSUJIMIIRA. (Received September 8th., 1930). The author(1) has recently isolated Tea catechin from green tea and pro posed the following formula
More informationANIMALS OILS AND FATS CHAPTER 2 PREPARATION AND SAPONIFICATION OF SPERMACETI 1. PREPARATION OF SPERMACETI
182 ANIMALS OILS AND FATS CHAPTER 2 PREPARATION AND SAPONIFICATION OF SPERMACETI 1. PREPARATION OF SPERMACETI 690. The spermaceti I examined was separated as follows from a yellow colored oil which commercial
More informationE55A GELATIN, GELLING GRADE Gelatina
00-0PDG.pdf 0 0 0 0 EA GELATIN, GELLING GRADE Gelatina DEFINITION Purified protein obtained from collagen of animals (including fish and poultry) by partial alkaline and/or acid hydrolysis, by enzymatic
More informationChemo- and Enantioselective Rh-Catalyzed Hydrogenation of 3-Methylene-1,2-diazetidines: Application to Vicinal Diamine Synthesis
Chemo- and Enantioselective Rh-Catalyzed Hydrogenation of 3-Methylene-1,2-diazetidines: Application to Vicinal Diamine Synthesis Greg P. Iacobini, a David W. Porter, b and Michael Shipman* a a Department
More information9. Determine the mass of the fat you removed from the milk and record in the table. Calculation:
Chemistry 100 Instructor s Initials Name: Experiment 14: Biochemistry Analysis of milk for the lipids, carbohydrates, and proteins. A. Determining the % Fat in Whole Milk 1. Weigh a clean, dry, empty 50
More informationStudent Practical Guide (1) Milk of Magnesia
School of Pharmacy Student Practical Guide (1b) Milk of Magnesia Facilitators Dr Mark Hewitt M.Hewitt@wlv.ac.uk Required Resources Pre-work: Read this guide Dr Rebecca Butler Rebecca.Butler@wlv.ac.uk Compulsory:
More informationPreparation of Fluorinated Tetrahydropyrans and Piperidines using a New Nucleophilic Fluorination Reagent DMPU/HF
Supporting information Preparation of Fluorinated Tetrahydropyrans and Piperidines using a New Nucleophilic Fluorination Reagent DMPU/HF Otome E. Okoromoba, a Gerald B. Hammond, a, * Bo Xu b, * a Department
More informationFluorescent probes for detecting monoamine oxidase activity and cell imaging
Fluorescent probes for detecting monoamine oxidase activity and cell imaging Xuefeng Li, Huatang Zhang, Yusheng Xie, Yi Hu, Hongyan Sun *, Qing Zhu * Supporting Information Table of Contents 1. General
More informationINTERNATIONAL ŒNOLOGICAL CODEX. BENTONITES Bentonita N SIN: 558 (Oeno 11/2003 modified Oeno )
BENTONITES Bentonita N SIN: 558 (Oeno 11/2003 modified Oeno 441-2011) 1. OBJECT, ORIGIN AND FIELD OF APPLICATION Bentonites are hydrous aluminium silicates belonging to the montmorillonite group. The brute
More informationChange to read: BRIEFING
BRIEFING Dibasic Calcium Phosphate Dihydrate, USP 29 page 359. The Japanese Pharmacopoeia is the coordinating pharmacopeia for the international harmonization of the compendial standards for the Dibasic
More informationHYDROXYPROPYLCELLULOSE, LOW SUBSTITUTED Stage 4, Revision 1 CP: USP BRIEFING NOTE
002-0901PDG.pdf HYDROXYPROPYLCELLULOSE, LOW SUBSTITUTED Stage 4, Revision 1 CP: USP BRIEFING NOTE Compared to the Stage 4, document the following changes are proposed: 1. Assay: a determination of the
More informationANIMAL OILS AND FATS CHAPTER 10 ÉTHAL 1 1. COMPOSITION 479. BY WEIGHT BY VOLUME 2
126 ANIMAL OILS AND FATS CHAPTER 10 ÉTHAL 1 1. COMPOSITION 479. BY WEIGHT BY VOLUME 2 Oxygen 6.2888 100.00 1.00 Carbon 79.7660 1268.40 16.60 Hydrogen 13.9452 221.74 35.54 which is equivalent to: Ethylene..
More informationEUDRAGIT L 100 and EUDRAGIT S 100
Technical Information EUDRAGIT L 100 and EUDRAGIT S 100 Specification and Test Methods Ph. Eur. Methacrylic Acid - Methyl Methacrylate Copolymer (1:1) Methacrylic Acid - Methyl Methacrylate Copolymer (1:2)
More informationExperiment 2: Melting Points and the Identification of an Unknown and Cholesterol from Human Gallstones
1 Experiment 2: Melting Points and the Identification of an Unknown and Cholesterol from Human Gallstones Part 1. Melting Points and the Identification of an Unknown Read pp 211-220, Chapter 14, (especially
More informationInhibition of glyoxalase I: the first low-nanomolar tight-binding inhibitors. Swati S. More ξ and Robert Vince*
S1 Inhibition of glyoxalase I: the first low-nanomolar tight-binding inhibitors Swati S. More ξ and Robert Vince* Center for Drug Design, Academic ealth Center, and Department of Medicinal Chemistry, College
More informationSupporting Information Synthesis of 2-Aminobenzonitriles through Nitrosation Reaction and Sequential Iron(III)-Catalyzed C C Bond Cleavage of 2-Arylin
Supporting Information Synthesis of 2-Aminobenzonitriles through Nitrosation Reaction and Sequential Iron(III)-Catalyzed C C Bond Cleavage of 2-Arylindoles Wei-Li Chen, Si-Yi Wu, Xue-Ling Mo, Liu-Xu Wei,
More informationSupporting Information. Copyright Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, 2007
Supporting Information Copyright Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, 2007 Supporting Information General. NMR spectra for identification of intermediates and final compoundswere recorded
More informationAll chemicals were obtained from Aldrich, Acros, Fisher, or Fluka and were used without
Supplemental Data Alexander et al. Experimental Procedures General Methods for Inhibitor Synthesis All chemicals were obtained from Aldrich, Acros, Fisher, or Fluka and were used without further purification,
More informationSupporting Information File 1. for. Synthesis of functionalised β-keto amides by. aminoacylation/domino fragmentation of β-enamino amides
Supporting Information File 1 for Synthesis of functionalised β-keto amides by aminoacylation/domino fragmentation of β-enamino amides Pavel Yanev and Plamen Angelov* Address: Department of Organic Chemistry,
More informationDRAFT TANZANIA STANDARD
DRAFT TANZANIA STANDARD AFDC 3(4793)P3 (REV.TZS 528:1992) Determination of Vitamin A (Retinol) in food and food stuffs- part 1- General routine method TANZANIA BUREAU OF STANDARDS 0 Foreword Vitamin A
More informationRameshwar Prasad Pandit and Yong Rok Lee * School of Chemical Engineering, Yeungnam University, Gyeongsan , Korea
Electronic Supplementary Material (ESI) for rganic & Biomolecular Chemistry. This journal is The Royal Society of Chemistry 2014 Novel ne-pot Synthesis of Diverse γ,δ-unsaturated β-ketoesters by Thermal
More informationPreparation, isolation and characterization of N α -Fmoc-peptide isocyanates: Solution synthesis of oligo-α-peptidyl ureas
SUPPORTING INFORMATION Preparation, isolation and characterization of N α -Fmoc-peptide isocyanates: Solution synthesis of oligo-α-peptidyl ureas Vommina V. Suresh Babu*, Basanagoud S. Patil, and Rao Venkataramanarao
More informationSupporting Information
Supporting Information for Selectively fluorinated cyclohexane building blocks: Derivatives of carbonylated all-cis-3-phenyl-1,2,4,5- tetrafluorocyclohexane Mohammed Salah Ayoup 1,2, David B. Cordes 1,
More informationSupporting Information. as the nitro source
Supporting Information Efficient ipso-nitration of arylboronic acids with iron nitrate as the nitro source Min Jiang, a,b Haijun Yang,* a,b Yong Li, a,b Zhiying Jia b and Hua Fu b a Beijing Key Laboratory
More informationIssue in Honor of Prof. Edmund Lukevics ARKIVOC 2006 (v) 86-91
Issue in onor of Prof. Edmund Lukevics ARKIVC 2006 (v) 86-91 Polycyclic heterocycles with acidic - groups VIII 1 The synthesis of some binuclear - acids with free rotary 1,2,4- triazole, 6-azauracil and
More informationManganese powder promoted highly efficient and selective synthesis of fullerene mono- and biscycloadducts at room temperature
Supplementary Information Manganese powder promoted highly efficient and selective synthesis of fullerene mono- and biscycloadducts at room temperature Weili Si 1, Xuan Zhang 1, Shirong Lu 1, Takeshi Yasuda
More informationCHAPTER 3: MATERIALS AND METHODS
CHAPTER 3: MATERIALS AND METHODS Materials and Methods. The from different husks, fruits, and vegetables peels were estimated quantitatively by the following volumetric procedure s such as Bertrand s,
More informationCHAPTER 3 EXPERIMENTAL MEASUREMENTS
CHAPTER 3 EXPERIMENTAL MEASUREMENTS This chapter describes the methods adopted for raw and parboiled bran pretreatment, oil extraction, refining and analysis. Further, the methods used to determine the
More informationXXVI. STUDIES ON THE INTERACTION. OF AMINO-COMPOUNDS AND CARBOHYDRATES.
XXVI. STUDIES ON THE INTERACTION. OF AMINO-COMPOUNDS AND CARBOHYDRATES. II. THE PREPARATION OF GLUCOSE UREIDE. BY ALEXANDER HYND. From the Department of Physiology, University of St Andrews. (Received
More informationCCMR Educational Programs
CCMR Educational Programs Title: Date Created: July 21, 2006 Author(s): Appropriate Level: Abstract: Time Requirement: Frank La Gatta Esterfication Regents and Honors Chemistry An ester is produced when
More informationG/LITRE 5.0 g KOH g 0.5 g 0.05 g 0.01 g MgS047H20 NaCl CaCl2
A P P E N D IX -V III COMPOSITION OF USED MEDIA AND CHEMICAL REAGENTS 1. NITROGEN FREE BROMOTHYMOL BLUE (NFB) MEDIUM Dobereiner et al (1976) Same media was also used to check the effect of temperature
More informationSynthetic chemistry-led creation of a difluorinated biaryl ether non-nucleoside reverse transcriptase inhibitor
upplementary Material for rganic & Biomolecular Chemistry ynthetic chemistry-led creation of a difluorinated biaryl ether non-nucleoside reverse transcriptase inhibitor Lyn. Jones* Amy Randall, scar Barba
More information4. Determination of fat content (AOAC, 2000) Reagents
94 ANALYTICAL METHODS 1. Determination of moisture content (AOAC, 2000) 1. Dry the empty dish and lid in the oven at 105 C for 3 h and transfer to desiccator to cool. Weigh the empty dish and lid. 2. Weigh
More informationDivergent Construction of Pyrazoles via Michael Addition of N-Aryl Hydrazones to 1,2-Diaza-1,3-dienes
Divergent Construction of Pyrazoles via Michael Addition of N-Aryl Hydrazones to 1,2-Diaza-1,3-dienes Serena Mantenuto, Fabio Mantellini, Gianfranco Favi,* and Orazio A. Attanasi Department of Biomolecular
More informationTRATION: ANALYSIS OF SODIUM HYDROXIDE
Experiment 8 Name: 22 Ti TRATION: ANALYSIS OF SODIUM HYDROXIDE In this experiment, you will learn the concept and technique of titration. You will use a chemical standard (potassium hydrogen phthalate)
More information19 Nosiheptide S O. For chickens (excluding broilers) For broilers. Finishing period broilers Growing period broilers. Stating chicks Growing chicks
19 osiheptide H S H H S S H H 2 H S S H S H H H [Summary of nosiheptide] C 51 H 43 13 12 S 6 MW: 1222 CAS o.: 56377-79-8 osiheptide (H) is a polypeptide antibiotic obtained by the incubation of Streptomyces
More informationSupporting Information. Nitrodibenzofuran: a One- and Two-Photon Sensitive Protecting Group that is Superior to
Supporting Information Nitrodibenzofuran: a One- and Two-Photon Sensitive Protecting Group that is Superior to Brominated Hydroxycoumarin for Thiol Caging in Peptides M. Mohsen Mahmoodi, Daniel Abate-Pella,
More informationEthyl 2-hydroxy-4-methyl-1-((prop-2-yn-1-yloxy)methyl)cyclohex-3-enecarboxylate (16):
General methods: 1 H NMR and 13 C NMR spectra were recorded in CDCl 3 or CDCl3 and CCl 4 as solvent on 300 MHz or 500 MHz spectrometer at ambient temperature. The coupling constant J is given in Hz. The
More informationRICINOLEATE UPON BACTERIA
A COMPARATIVE STUDY OF THE ACTION OF SODIUM RICINOLEATE UPON BACTERIA From the Division of Laboratories and Research, New York State Department of Health, Albany Received for publication, May 14, 1928
More informationH O. rapidly reduces. They dissolve. because they can hydrogen bond to the water molecules.
3.9 arboxylic Acids and Derivatives Naming arboxylic acids These have the ending oic acid but no number is necessary for the acid group as it must always be at the end of the chain. The numbering always
More informationLiquids as Determined by Ion-Transfer Electrochemistry
Supporting Information to: Trends in Hydrophilicity/Lipophilicity of Phosphonium Ionic Liquids as Determined by Ion-Transfer Electrochemistry T. Jane Stockmann, a,b Ryan Guterman, b,c Paul J. Ragogna,
More information