Question

Synthesis of vinyal halides in witting reaction

Answer 1

Answer:

Explanation:

Synthesis. Vinyl chloride is produced by dehydrochlorination of 1,2-dichloroethane. A large number of reactions to form vinyl halides, which includes the reaction of vinyl organometallic species with halogens, and the Takai and Wittig olefination reactions.

Answer 2

Explanation:

A highly stereoselective boron-Wittig reaction between stable and readily accessible 1,1-bis (pinacolboronates) and aldehydes furnishes