반응 #11060

반응 방정식

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

isobutyraldehyde

NaBH(OAc)3

→

intermediate 9a

수율 79.5%

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

수율 79.5%

반응 조건

실험 절차

Following a procedure similar to that for the preparation of intermediate 1k, intermediate 1j (97.1 mg, 0.228 mmol), isobutyraldehyde (32.8 mg, 0.455 mmol) and NaBH(OAc)3 (135.1 mg, 0.638 mmol) yielded 87.4 mg (79.5%) of intermediate 9a. MS (ESI) 539.2 (M+H+).

출처