A convenient synthesis of 2-benzylindoles 8a-c from 2-nitrobenzaldehyd
es 4a-c, involving a Wittig reaction with ethyl benzyl(triphenyl-lambd
a5-phosphanylidene)acetate 5, cyclization of the product esters 6a-c b
y reaction with triethyl phosphite and removal of the ester group usin
g alcoholic KOH, is reported.