2,3-dimethyl-9-phenyl-7,8,9,10-tetrahydro-imidazo[2,1-a]isoquinoline-6-carboxylic acid 、
C.I.酸性橙108 在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以57%的产率得到2,3-dimethyl-9-phenyl-7,8,9,10-tetrahydro-imidazo[2,1-a]isoquinoline-6-carboxylic acid (2-hydroxy-ethyl)-amide