(a)
Interpretation:
The role of metal ion in enzymatic conversion reaction of acetaldehyde into ethanol is to be stated.
Concept introduction:
Enzymes are the biological catalyst. They are used to increase the
The coenzyme nicotinamide adenine dinucleotide
(b)
Interpretation:
The curved-arrow mechanism for conversion reaction of acetaldehyde into ethanol is to be predicted.
Concept introduction:
Enzymes are the biological catalyst. They are used to increase the rate of reactions which are occurring in a biological system.
The coenzyme nicotinamide adenine dinucleotide
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EBK ORGANIC CHEMISTRY
- (b) Suggest a reasonable biosynthesis for the naturally occurring alkaloid coniine (isolated from hemlock), starting from octanoic acid. Coniinearrow_forwardPredict the products of aldol condensation, followed by dehydration, of the followingketones and aldehydes.(a) butyraldehydearrow_forwardFollowing are the steps in the industrial synthesis of glycerin. Provide structures for all intermediate compounds (AD) and describe the type of mechanism by which each is formed.arrow_forward
- (a) Propose a reasonable synthesis for the formation of nonane from CH3CH2CH2I and any other organic/inorganic reagent. (b) Suggest three (3) different Grignard reactions leading to 2-phenyl-2-butanol.arrow_forwardPredict the products of aldol condensation, followed by dehydration, of the followingketones and aldehydes.(a) butyraldehyde (b) acetophenonearrow_forward9) a) Diagram the acid (H3O+) catalyzed enolizaton of acetaldehyde. . b) Diagram the base (OH-) catalyzed formation of cyclopentanone from its enol form.arrow_forward
- Which of these transformations would be the result of acid-catalyzed hydration, and which would be the result of oxymercuration-reduction? (a) (b) OH ОН (c) (d) OH OHarrow_forward(a) Write a suitable chemical equation to complete each of the following transformations :(i) Butan-l-ol to butanoic acid(it) 4-Methylacetophenone to benzene-1, 4-dicarboxylic acid(b) An organic compound with molecular formula C9H10O forms 2, 4-DNP derivative, reduces Tollen’sreagent and undergoes Cannizzaro’s reaction. On vigorous oxidation it gives 1, 2-benzenedicarboxylic acid. Identify the compound.arrow_forwardPredict the products formed when limonene reacts with the followingreagents.(a) excess HBr (b) excess HBr, peroxides (c) excess Br2 in CCl4(d) ozone, followed by dimethyl sulfidearrow_forward
- (i) The enolisation of ketone A can generate an equilibrium mixture of A and either enol B or enolate C. Give the structure of both B and C, and the mechanism for their formation from A under the given conditions. (ii) A HCI (cat.) NaOH (cat.) B с Draw the structure of the product obtained when A is dissolved in D3O*. Give a detailed mechanism to account for the structure you propose.arrow_forwardPredict the products of self-condensation of the following esters.(a) methyl propanoate + NaOCH3 (b) ethyl phenylacetate + NaOCH2CH3arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning