N-(4-cyano-2-t-butyldimethylsilanoxyphenyl)-N'-(2-bromophenyl)carbodiimide 、
N,N-二异丙基乙胺 、
hydroxy-L-Proline methyl ester hydrochloride 、
四丁基氟化铵 、
四氢呋喃 以
甲醇 为溶剂,
以to give 80 mg (78%) of 4-[[(6R,7aS)-2-(2-bromophenyl)-hexahydro-6-hydroxy-1-oxo-3H-pyrrolo[1,2-c]imidazol-3-ylidene]amino]-3-hydroxybenzonitrile as a tan powder的产率得到4-[[(6r,7As)-2-(2-bromophenyl)-hexahydro-6-hydroxy-1-oxo-3h-pyrrolo[1,2-c]imidazol-3-ylidene]amino]-3-hydroxybenzonitrile