question_answer

Phenol \[\underset{{{\text{H}}^{+}}}{\mathop{\xrightarrow{\text{CHCl}{{ & }_{\text{3}}}\text{/NaOH}}}}\,\]Salicyldehyde                 The above reaction is known as                 [Pb. PMT 2002]

A)                 Riemer Tiemann reaction

B)                 Bucherer reaction

C)                 Gattermann synthesis

D)                 Perkin reaction