1. For each of the following statements, indicate whether they are true of false. ⚫ an acyl group is a carbonyl group attached to a carbon-based group. cyclic esters are called lactones. • a very strong and basic nucleophile will deprotonate a carboxylic acid much faster that it will undergo nucleophilic addition to the carbonyl group. ⚫ when thinking about how to synthesize an alcohol (1-, 2° or 3°), the use of a Grignard reaction is never worth considering. • a chemoselective reaction is one in which a reagent reacts with one functional group at a faster rate than with another functional group. ⚫ the formal addition of H2 across a pi bond (e.g. a carbonyl group or an alkene) is an oxidation reaction. ⚫ the formal 1,2 elimination of H2 from an organic molecule to afford a pi bond (e.g. a carbonyl group or an alkene) is an oxidation reaction. • NaBH4 is a much stronger reducing agent (hydride donor) than LiAlH4.

1. For each of the following statements, indicate whether they are true of false. ⚫ an acyl group is a carbonyl group attached to a carbon-based group. cyclic esters are called lactones. • a very strong and basic nucleophile will deprotonate a carboxylic acid much faster that it will undergo nucleophilic addition to the carbonyl group. ⚫ when thinking about how to synthesize an alcohol (1-, 2° or 3°), the use of a Grignard reaction is never worth considering. • a chemoselective reaction is one in which a reagent reacts with one functional group at a faster rate than with another functional group. ⚫ the formal addition of H2 across a pi bond (e.g. a carbonyl group or an alkene) is an oxidation reaction. ⚫ the formal 1,2 elimination of H2 from an organic molecule to afford a pi bond (e.g. a carbonyl group or an alkene) is an oxidation reaction. • NaBH4 is a much stronger reducing agent (hydride donor) than LiAlH4.

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter23: Carbon: Not Just Another Element

Section23.4: Compounds With A Carbonyl Group

Problem 4RC

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