Question

what is the action of following reagents on cyclopropane

Answer 1

Answer:

The first step involves a 1,3-dipolar cycloaddition to form a pyrazoline which then undergoes denitrogenation, either photochemically or by thermal decomposition, to give cyclopropane.

Answer 2

Answer:

This is the most important reaction involving an organozinc reagent. The iodomethyl zinc iodide is usually prepared using Zn activated with Cu. The iodomethyl zinc iodide reacts with an alkene to give a cyclopropane.

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