Fischer Indolization and Its Related Compounds. XIX. Synthesis of Ethyl 4-Methoxy- and Ethyl 5-Methoxy-1-phenyl-3H-benzindole-2-carboxylates
Ethyl 4-methoxy- (7) and ethyl 5-methoxy- (3) -1-phenyl-3H-benzindole-2-carboxylates were prepared by Fischer indolization of ethyl phenylpyruvate 2-naphthylhydrazone derivatives bearing a methoxy group at the C3- (26) and the C4- (8) positions, respec