تفاعل #11056

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

acetaldehyde

NaBH(OAc)3

→

intermediate 5a

المردود 60.5%

(S)-[(4-{[(3-ethylamino-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 60.5%

ظروف التفاعل

الإجراء التجريبي

Following a procedure similar to that for the preparation of intermediate 1k, intermediate 1j (101 mg, 0.24 mmol), acetaldehyde (21.1 mg, 0.48 mmol) and NaBH(OAc)3 (141.99 mg, 0.67 mmol) yielded 66 mg (60.5%) of intermediate 5a. MS (ESI) 455.1 (M+H+).

المصدر