تفاعل #11058

معادلة التفاعل

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 7a

المردود 79.0%

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

المردود 79.0%

ظروف التفاعل

الإجراء التجريبي

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%) of intermediate 7a. MS (ESI) 483.1 (M+H+).

المصدر