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A Grignard regane t(A0 and a haloalkene ...

A Grignard regane t`(A0` and a haloalkene `(B)` react together to give `(C)` compound `(C)` on heating with `KOH` yields a mixture of two geometrical isomers, `(D)` and `(E)` of which `(D)` predominates. `(C)` gives `1-` bromo `3-` phenyl propane on reaction with `Hbr` in the presence of a peroxide. Give teh structures of `(A), (B)`, and `(C)` and the configuratins of `(D)` and `(E)`.

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A Grignard reagent (A) and a haloalkene (B) react together to give (C) . Compound (C) on heating with KOH yeilds a mixture of two geometrical isomers (D) and € of which (D) predominates . Compound (C) on reaction with HBr in presence of a peroxide gives 1-bromo-3- phenylpropane. Give the structures of (A), (B) and (C) and configurations of (D) and (E).

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