(ethyl carbonic) 4-(dimethylamino)benzoic anhydride 、
(E)-3-(6-Amino-pyridin-2-ylamino)-2-cyano-acrylic acid ethyl ester 反应 3.0h,
以66%的产率得到ethyl 3-[4-(dimethylamino)phenyl]-2,4,8,13-tetrazatricyclo[7.3.1.05,13]trideca-1(12),2,4,6,8,10-hexaene-6-carboxylate