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Chapter 22: 44P (page 868)

Draw all stereoisomers formed in each reaction.

Short Answer

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Answer

The stereoisomers formed in each reaction are given below:

Step by step solution

01

Step-by-Step Solution Step 1: Function of Organolithium reagent

When lithium is used, the halogen and metal exchange to form the organolithium reagent and function as a nucleophilic agent and also as a base. They are stereospecific.

02

Use of Organocuprate

Organocuprate is used in many nucleophilic substitution reactions to get products such as aldehydes and ketones. They are stereospecific.

03

Function of CBS

CBS is a chiral reducing agent. It is a boronic compound that functions as an asymmetric reduction and forms enantiomeric alcohols. They are stereospecific.

(S)-CBS reagent provides hydrides that can attack the carbonyl carbon center position from the front and yield alcohol having an R-configuration where the alcohol group lies in the 鈥榙ash鈥� position.

04

Function of LiAlH4

Metal Hydrides such as LiAlH4are strong reducing agents which can reduce an aldehyde into primary alcohol and a ketone into secondary alcohol.

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Most popular questions from this chapter

Which of the following species represent organometallic compounds:

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