(S)-2-(5-Amino-2,7-bis-dimethylamino-pyrimido[4,5-d]pyrimidin-4-ylamino)-4-methyl-pentanoic acid methyl ester 在
sodium ethanolate 作用下,
以
乙醇 为溶剂,
反应 6.0h,
以58.2%的产率得到(S)-2,5-Bis-dimethylamino-9-isobutyl-9,10-dihydro-7H-1,3,4,6,7,10-hexaaza-cyclohepta[de]naphthalen-8-one