咪唑 、
2-(4-fluorobenzyl)-7-isopropyl-4-{2-[(methylsulfonyl)oxy]ethyl}-1,6,8-trioxo-1,3,4,6,7,8-hexahydro-2H-pyrazino[1,2-c]pyrimidine-9-yl pivalate 在
sodium hydride 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
生成 2-(4-fluorobenzyl)-9-hydroxy-4-[2-(1H-imidazol-1-yl)ethyl]-7-isopropyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,6,8(7H)-trione