Ammonia → trans-8-Chloro-2-methyl-1,2,3,3a,4,5-hexahydrobenzo[e]pyrrolo[3,4-c]azepin-6(10bh)-one

Participants

Reaction Steps

To a 2 gallon Parr vessel was charged Raney®-nickel (77 g, Grace 2800 (water decanted)) and 7 M ammonia in methanol (3 L) and trans-methyl 5-chloro-2-(4-cyano-1-methylpyrrolidin-3-yl)benzoate (152.7 g). The reactor was sealed, purged with nitrogen, then purged with hydrogen and pressurized to 30 psi with hydrogen. After 2 hours, the reaction mixture was filtered through a polypropylene cartridge and rinsed with methanol (1 L). The solvent was removed under vacuum to provide the title compound (crude) used as is in Example 199.

Provenance & Evidence