We performed two procedures in which we reduced methyl acetoacetate. For the first procedure we produced a racemic mixture of Methyl (S)-3-Hydroxyacetate and Methyl (R)-3-Hydroxyacetate. For the second we produced only one of the enantiomer products depending on which enantiomer of Tartaric Acid was used. A reduction is a reaction which generally means adding more carbon-hydrogen bonds to a compound. In a reduction reaction the oxidation number of a carbon atom decreases. The opposite is an oxidation
Premium Hydrogen Carbon Oxygen
2-((6‚8-dibromo-2-(4-chlorophenyl)quinazolin-4-yloxy)methyl)-5-methyl-1‚3‚4-oxadiazole (IX) : A mixture of the hydrazide VII (0.01 mol) and acetic anhydride (30mL) was refluxed for 6h. The precipitated solid formed upon cooling‚ was filtered and recrystallized from ethanol‚ m.p. 155oC‚ 80% yield. Analysis calculated for C18H11Br2ClN4O2; Calcd.: %C‚ 42.34; H‚ 2.17; N‚ 10.97‚ Found: % C‚ 42.30; H‚ 2.14; N‚ 10.90. IR: υmax./cm-1 3000 (C-H aromatic)‚ 1610 (C=N) and at 1600 (C=C). 1H-NMR (DMSO-d6‚ ppm):
Premium Oxygen Chemistry Acetic acid
Special Report Methyl ethyl ketone – A techno-commercial profile M ethyl ethyl ketone (MEK or 2-butanone) is an organic compound with the formula CH3C(O)CH2CH3. Its CAS number is 78-93-3. The colorless liquid ketone has a sharp‚ sweet odour of butterscotch and acetone. It is produced industrially on a large scale‚ and also occurs in trace amounts in nature. It is soluble in water and is commonly used as an industrial solvent. With natural and synthetic resins‚ MEK produces solutions with low viscosity
Free Solvent Acetic acid Acetone
Acetone‚ MEK and Methyl Isobutyl Ketone‚ May 1972 Report No. 77 ACETONE‚ METHYL ETHYL KETONE AND METHYL ISOBUTYL KETONE by SHIGEYOSHI TAKAOKA May 1972 A private report by the PROCESS STANFORD ECONOMICS RESEARCH INSTITUTE PROGRAM I MENLO I PARK‚ CALIFORNIA Acetone‚ MEK and Methyl Isobutyl Ketone‚ May 1972 CONTENTS a 1 INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . 1 2 SUMMARY 3 3 4 5 . . . . . . . . . . . . . . . . . . . . . . . . . . Acetone .............
Premium Alcohol Acetone Ethanol
Forming Methyl Orange an Azo Die Abstract: An synthetic azo dye was created by reaction of diazonium salt with N‚N-Dimethylanaline. The final product created was 4-dimethylaminoazobenzene-4-sulfonic acid‚ an orange clay-like substance. Sulfanilic acid was chemically manipulated by using sodium carbonate followed by cooled sodium nitrate and hydrochloric acid to form the diazonium salt used in the reaction. The products were washed in ethanol. The product was obtained at an 84% yield and was
Premium Chemistry Hydrogen Chemical reaction
Chemicals Hordenine and methyl jasmonate were purchased from Tokyo Chemical Industry (Tokyo‚ Japan). Dimethyl sulfoxide (DMSO) was obtained from Sigma-Aldrich (Tokyo‚ Japan). Plant materials Two-year-old seedlings of Vitis vinifera cv. Koshu were cultivated in perlite:vermiculite (1:1) soil in a growth chamber (11.8 Wm-2 for 14 h in a day) at 27 °C. Seedlings of Fragaria×ananassa cv. Nyoho were grown in 55% peat moss‚ 10% perlite‚ 5% vermiculite‚ and 30% decomposed granite soil at 25 ºC in a greenhouse
Premium Marketing Brand Brand management
to take up the methylene blue dye from solution since as the yeast age‚ they deposit lipid and/or sugar in their cell membrane (in the form of free sterols[predominantly ergosterol and zymosterol with minor portions of lanosterol and fecosterol] and phospholipids[phosphotidylcholine and phosphotidylethanolamine with minor portions of phosphotidylinositol‚ phosphotidylserine and phosphotidyl-glycerol]) as a survival mechanism to protect their internal mechanisms from the buildup of waste in the external
Premium Yeast Ethanol Enzyme
Organic Chemistry I LAB EXAM: FINAL BROMINATION OF BENZENE SYNTHESIS AND PURIFICATION OF BROMOBENZENE: PROCEDURE DATA TABLE Chemical Boiling point C Melting Point C Density g/mL Solubility Benzene 80.1 5.5 0.88 Slightly in H2O Toluene 110.6 -93 0.87 Slightly in H2O Bromobenzene 155-156 -30.8 1.50 Insoluble Dibromobenzene 220.40 87.31 0.96 Insoluble MATERIALS: Graduated cylinder Weight scale Buchner funnel Filter flask Rubber stopper Hot plate Thermometer Conical funnel Various
Premium
experiment is to determine the rate constants‚ k1‚ for the methyl acetate hydrolysis reaction at 25 °C and 35 °C‚ as well as the overall activation energy of the reaction. Methods Methyl acetate was placed in an HCl solution‚ in which it reacts with water to form acetic acid over time. At each time interval‚ an aliquot of the mixture was removed for titration against NaOH to determine the concentration of the acetic acid produced. From the amount of acetic acid produced overtime‚ the rate constant
Premium Ester Ethyl acetate Acetic acid
The Grignard Synthesis of 3-methyl-3-heptanol In this experiment‚ an example of an organometallic compound which has a carbon magnesium bond will be utilized to form a tertiary alcohol. Grignard reagents have been extremely useful in the synthesis of a large number of classes of organic functional groups. Although Grignard reagents are unstable and decompose in air and moisture‚ they can be prepared and used immediately with moderate difficulty in the undergraduate organic chemistry laboratory
Premium Functional group Chemistry Oxygen