E. 4‚2‚1‚3 1‚4‚2‚3 1‚3‚4‚2 4‚1‚2‚3 2‚1‚4‚3 OH OH HO OH 1 2 3 4 L. What is the IUPAC name of the following alcohol? A. S-2-ethyl-5‚5-dimethyl-R-cyclohexanol B. R-2-ethyl-5‚5-dimethyl-R-cyclohexanol C. S-2-ethyl-5‚5-dimethyl-S-cyclohexanol D. S-6-ethyl-3‚3-dimethyl-cyclohexane E. S-3-ethyl-R-6-S-6-dimethyl-cyclohexanol HO M. Predict the most likely mechanism(s) for the reaction of cis-3-methyl-chloro-cyclohexane with sodium methoxide (in methanol as the solvent) – circle one
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Upon addition of bromine‚ the brown color of bromine quickly disappears as the bromine adds to the double bond in the products. Addition of bromine to the fractional distillate caused the bromine to discolor. The addition of bromine to 2-methyl-cyclohexanol remains brown because there is an absence of double bound (saturation). Addition of potassium permanganate caused the solution to turn slightly brown but appeared immiscible as result of the unsaturation product. When analyzing the IR results confirmed
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Lab #24- Preparation 4-Methylcyclohexene Introduction: The goals in this lab were to have a reaction occur with 4-methylcyclohexanol and an acid catalyst to form our product of 4-methylcyclohexene via an E1 reaction. This reaction is accomplished by removing the –OH group on 4-methylcyclohexanol via dehydration and to have a double bond form via a loss of a hydrogen on a β-Carbon. Many techniques and skills were developed in this lab. Among them were dehydration‚ isolation‚ drying
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NORTHERN CARIBBEAN UNIVERSITY DEPARTMENT OF BIOLOGY‚ CHEMISTRY and ENVIRONMENTAL SCIENCE LABORATORY MANUAL Instructor: Dr. M. Wilson CHEM401: BIOCHEMISTRY for NURSES Prepared by: Oreane Collins CHEMISTRY LABORATORY REGULATIONS AND SAFETY PRECAUTIONS Reference: http://www.sciencebyjones.com/safety_rules.htm Thanks to the Flinn Scientific Safety Rules for much of the below. General Guidelines 1. Conduct yourself in a responsible manner at all times
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step involves the production of KA Oil (a mixture of cyclohexanone‚ the ketone and cyclohexanol‚ the alcohol component) and the second stage is its subsequent oxidation to adipic acid with an excess of strong nitric acid in the presence of copper and vanadium catalysts. Only 3-8 % conversion of cyclohexane is obtained in the first step. Recycling of the large amount of cyclohexane unreacted and separation of cyclohexanol and cyclohexanone from cyclohexane present major problems. In the second step the
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125mL Erlenmeyer flask it contained 20.0 mL of deionized water and 20mL of concentrated sulfuric acid was added carefully with some swirling in between. The diluted acid was cooled with an ice water bath to 20-25ºC. to the cooled sulfuric acid cyclohexanol was added carefully and slowly with swirling as well. The reaction mixture cooled 65% sulfuric acid was transferred to the 100mL round-bottomed flask through a glass funnel‚ three boiling stones were added to the mixture and the distillation started
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4-methylcyclohexene‚ and trace acid. D. Questions: 1. Outline a mechanism for the dehydration of 4-methylcyclohexanol catalyzed by phosphoric acid. 2. What major alkene product is produced by the dehydration of the following alcohols? a. Cyclohexanol Cyclohexene b. 1-Methylcyclohexanol methylcyclohexene c. 2-Methylcyclohexanol methylcyclohexne d. 2‚2-dimethylcyclohexanol 1‚2-dimethylcyclohexene 3. Compare and interpret the infrared spectra of 4-Methylcyclohexene and 4-Methylcyclohexanol
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peak at about 3300 in the IR corresponds to the O—H group in the product. The peaks to the right of aro0und 3000 are C—H related‚ those about 1599 are C—H bends‚ and the peaks at 1000-1350 are C—O related. The most plausible product seems to be cyclohexanol with a molecular formula of C6H12O. 2. Describe the stereochemical relationship between each pair of isomers. (a) Same
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all of the following parts a) You should state what experiment was performed‚ and show any necessary reaction schemes. The reaction schemes should include molecular weights and any other important physical data for the reagents and products. Ex. Cyclohexanol was oxidized to cyclohexanone using sodium dichromate in the presence of sulfuric acid. * Note: you can download a free version of a structure editor from ACD labs‚ the PC version is called chemsketch‚ the Mac version is called marvinsketch
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Analysis of Hydrocarbons Leoncito‚ Alyssa Lynn‚ Libatique‚ Keith Martin P.‚ Ligot‚ Nestlhyn B.*‚ Lim‚ Jamie Therese T. Department of Psychology‚ University of Santo Tomas‚ Manila‚ Philippines Abstract Four organic samples: hexane‚ cyclohexene‚ napthalene and toulene were given to serve as reference standards to characterize and distinguish four unknown given samples. Nitration‚ bromine and basic oxidation testswere conducted to classify the different samples from being an aliphatic‚ or aromatic
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