Chapter 19: Review and Practice

Aldehydes and ketones are among the most important of all fu

Chemistry Matters — Enantioselective Synthesis

Among the thousands of enantioselective reactions now known,

Summary of Reactions

Additional Problems

Problem 19-31 (a) (b) Problem 19-32 (a) (b) Problem 19-33 (a

Problem 19-35 (a) (b) Problem 19-36 When α-glucose is treate

Problem 19-39 One of the steps in the metabolism of fats is

Problem 19-43 Paraldehyde, a sedative and hypnotic agent, is

Problem 19-47 Trans alkenes are converted into their cis iso

Problem 19-51 When crystals of pure α-glucose are dissolved

Problem 19-55 (a) (b) (c) (d) (e) (f) Problem 19-56 (a) An α

Problem 19-59 (a) 2-Pentanol 2-Pentanol (b) 1-Butanol 1-Buta

Problem 19-63 Carvone is the major constituent of spearmint

Problem 19-67 Choose the structure that best fits the IR spe

Problem 19-71 When 4-hydroxybutanal is treated with methanol

Problem 19-75 (a) (b) (c) Problem 19-76 6-Methyl-5-hepten-2-

Problem 19-79 Compound B is isomeric with A (Problem 19-78)

Problem 19-83 (a) C_{\text{10}}H_{\text{12}}O: IR: 1710 cm^{

Key Terms

• aldehyde (RCHO) - Cannizzaro reaction - carbinolamine - co

• cyanohydrin - enamine (R2N–CR═CR2)(R2N–CR═CR2) - hemiaceta

• ketal - ketone (R2CO) - McLafferty rearrangement - nucleop

• phosphorane - Schiff bases - Wittig reaction - Wolff–Kishn

• ylide