Organic Chemistey for JEE|NEET|GATE|NET
The Appel reaction is a common organic nucleophilic substitution reaction (SN2) employed to transform alcohol to a corresponding alkyl halide using the reagents tetrahalomethane (CX4) and triphenylphosphine (PPh4) with inversion of stereochemistry and high yield.
The Sandmeyer reaction is an organic substitution type reaction used for the synthesis of aryl halide from an aryl diazonium salt. the catalyst used in Sandmeyer reaction is a copper(I) halide like chloride, bromide or iodide ions catalyst. significantly, The reaction include trifluoromethylation, hydroxylation, cyanation, and halogenation type reaction on benzene.