JEE Advanced 2016 Paper 2

LiAH4 and (C2H5)2O;BH3 in (THF) ; Raney Ni(H2) either can reduce all functional group or can reduce some of the the functional group of the compound given above in reactant side.But NaBH4 is example of selective reducing agent. It can not reduce −

C ||

O

−O(ester group),−

C ||

O

−OH (carboxylic acid group),(epoxide group),but reduces −CH=O (aldehyde group) into −CH2OH (1° alcohol)