Acetic Acid → HCID 68510859, compound

Participants

Reaction Steps

To a solution of crude methyl 14-cyclohexyl-7-{[2-(dimethylamino)ethyl]amino}-3-fluoro-7,8-dihydro-6H-indolo[1,2-e][1,5]benzoxazocine-11-carboxylate (from Step 5) in DCM (0.05 M) was added formaldehyde (3.0 eq) and HOAc (5.5 eq), followed by sodium cyanoborohydride (3 eq). NaOH (20 eq, 1 N) was added after 2 h, and after stirring for 5 min the mixture was taken into EtOAc and washed with water and brine. Drying over Na2SO4 and concentration i. vac. gave the crude product which was used without further purification; MS (ES+) m/z 508 (M+H)+.

Provenance & Evidence