丙烯酸叔丁酯 、
tert-butyl {3,7,11,17-tetraazabicyclo[11.3.1]heptadeca-1(17),13,15-trien-7-yl}acetate 以
甲醇 为溶剂,
以77%的产率得到tert-butyl 3-{11-[2-(tert-butoxycarbonyl)ethyl]-7-(tert-butoxycarbonylmethyl)-3,7,11,17-tetraazabicyclo[11.3.1]heptadeca-1(17),13,15-trien-3-yl}propionate