Reacción #11059

Ecuación de reacción

intermediate 1k

(6S)-[(4-{[(3-benzylamino-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carbonyl)-amino]-methyl}-phenyl)-imino-methyl]-carbamic acid tert-butyl ester

intermediate 1j

(S)-[(4-{[(3-amino-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carbonyl)-amino]-methyl}-phenyl)-imino-methyl]-carbamic acid tert-butyl ester

propionaldehyde

NaBH(OAc)3

→

intermediate 8a

Rendimiento 46.0%

(S)-[(4-{[(3-propylamino-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carbonyl)-amino]-methyl}-phenyl)-imino-methyl]-carbamic acid tert-butyl ester

Rendimiento 46.0%

Condiciones de reacción

Procedimiento

Following a procedure similar to that for the preparation of intermediate 1k, intermediate 1j (100 mg, 0.234 mmol), propionaldehyde (15 mg, 0.258 mmol) and NaBH(OAc)3 (74.5 mg, 0.352 mmol) yielded 50.9 mg (46%) of intermediate 8a. MS (ESI) 469.1 (M+H+).

Fuente