描述:
(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 以44%的产率得到(S)-3-isobutylamino-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carboxylic acid 4-carbamimidoyl-benzylamide