| abstract |
The present invention relates to a process for the preparation of compounds of formula 1 useful for the preparation of novel aralkyl and aralkylidene heterocyclic lactams and imides, which are selective agonists and antagonists of the serotonin 1 (5-HT 1 ) receptor.n n n n n n n n n n Wherein b is 0, 1, 2 or 3, Y is oxygen, sulfur, NH or N-acetyl, and each R 3 is halo, cyano, (C 1 -C 6 ) alkyl, (C 1- C 6 ) independently selected from the group consisting of alkoxy and trifluoromethyl. |