Question

What organic halide is needed to convert lithium divinylcuprate $\left[{\left({\mathrm{CH}}_2=\mathrm{CH}\right)}_2\mathrm{CuLi}\right]$to each compound?

a.

b.

c.

Short answer

Answer

a.

b.

c.

Step-by-step solution

Organic halide

An organic compound comprising a halogen atom linked to a carbon atom is termed an organic halide. Organic compounds comprising chlorine atoms linked to carbon atoms are termed organic chlorides.

Reaction of organic halide with organocuprate reagents

Organic halides can fuse with organocuprate reagents to produce coupling products. The utilization of secondary alkyl halides generates products possessing reasonable yield.

Starting material needed to synthesize the given compounds

The organic halide needed to convert divinyl cuprate to a particular compound can be found by breaking the compound at the vinylic position.

a. The organic halide required for the formation of compound a is (e)-1-halo-3-methylbut-1-ene. The structure of the organic halide can be given as follows.

Organic halide needed to convert lithium divinyl cuprate to compound a

b. The organic halide needed for the formation of compound b is 3-halocyclohex-1-ene. The structure of the organic halide can be given as follows.

Organic halide needed to convert lithium divinyl cuprate to compound b

c. The organic halide needed for the formation of compound c is 1-(halomethyl)-4-methoxy benzene. The structure of the organic halide can be given as follows.

Organic halide needed to convert lithium divinyl cuprate to compound c