1.

PhCHO+(CH_3CO)_2Ooverset(CH_2COONa)toAoverset(HBr)toB The product B is

Answer»

`PhCH=CHCH_2Br`
`Phundersetunderset(Br)(|)CH-CH_2-COOH`
`PhCH_2CH(Br)COOH`
PhCH=CH-COBr

Solution :PERKIN's reaction + Markownikov's addition of HBR.


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