Question

HOW TO PREPARE Alpha Bromo phenylacetic acid

Answer 1

Explanation:

$-Bromophenylacetic acid has \: been \\ prepared  \: by \: the \: bromination \: of \\ phenylacetic acid \:  with \: elemental \\ bromine  \: at high \: temperature2  \: or \: under \\ UV \: irradiation,3 \:  or \: with N- \: \\ bromosuccinimide,4  \: and \: by \: treatment \: of \: \\ mandelic acid \:  with \: phosphorus \: and \: \\ bromine5  \: or \: fuming hydrobromic \:  acid. \:$

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Answer 2

α-Bromophenylacetic acid has been prepared by the bromination of phenylacetic acid with elemental bromine at high temperature2 or under UV irradiation,3 or with N-bromosuccinimide,4 and by treatment of mandelic acid with phosphorus and bromine5 or fuming hydrobromic acid.