1-[(3-methyl-1,2-oxazol-4-yl)carbonyl]-10a-(tetrahydro-2H-pyran-4-yl)-2,3-10,10a-tetrahydro-1H,5H-imidazo[1,2-a]pyrrolo[1,2-d]pyrazin-5-one 在
N-氯代丁二酰亚胺 作用下,
以
四氢呋喃 为溶剂,
反应 1.5h,
以17%的产率得到7-chloro-1-[(3-methyl-1,2-oxazol-4-yl)carbonyl]-10a-(tetrahydro-2H-pyran-4-yl)-2,3,10,10a-tetrahydro-1H,5H-imidazo[1,2-a]pyrrolo[1,2-d]pyrazin-5-one