2-[4-[2-[[4-cyclopropylsulfonyl-3-(methylaminomethyl)phenyl]carbamoyloxy]ethyl]-3,5-dimethylphenyl]-2-[(7-fluoro-4-oxo-3H-quinazolin-6-yl)amino]acetic acid;hydrochloride 在
4-二甲氨基吡啶 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 、
N,N-二甲基甲酰胺 为溶剂,
反应 3.5h,
以12%的产率得到7-cyclopropanesulfonyl-2-(7-fluoro-4-oxo-3,4-dihydro-quinazolin-6-ylamino)-4,17,20-trimethyl-13-oxa-4,11-diaza-tricyclo[14.2.2.1(6,10)]henicosa-1(19),6,8,10(21),16(20),17-hexaene-3,12-dione