Draw a three-dimensional structure for each compound, and star all asymmetric carbon atoms. Draw the mirror image for each structure, and state whether you have drawn a pair of enantiomers or just the same molecule twice. Build molecular models of any of these examples that seem difficult to you. (а) ОН (b) (c) NH, ОН CH,-CH–COOH pentan-2-ol pentan-3-ol alanine

Draw a three-dimensional structure for each compound, and star all asymmetric carbon atoms. Draw the mirror image for each structure, and state whether you have drawn a pair of enantiomers or just the same molecule twice. Build molecular models of any of these examples that seem difficult to you. (а) ОН (b) (c) NH, ОН CH,-CH–COOH pentan-2-ol pentan-3-ol alanine

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter19: Carboxylic Anhydrides, Esters, And Amides

Section: Chapter Questions

Problem 19.47P

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Concept explainers

Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.

Question

Draw a three-dimensional structure for each compound, and star all asymmetric carbon
atoms. Draw the mirror image for each structure, and state whether you have drawn a
pair of enantiomers or just the same molecule twice. Build molecular models of any of
these examples that seem difficult to you.
(a)
ОН
(b)
(c)
NH,
ОН
СH—CH—СООН
|
pentan-2-ol
pentan-3-ol
alanine
(d) 1-bromo-2-methylbutane (e) chlorocyclohexane (f) cis-1,2-dichlorocyclobutane
(h)
(i)
H
CH;
"H
H.
H
CH,
H

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