tert-butyl 2-(4-chlorophenylcarbamoyl)diazenecarboxylate 、
diethyl octa-1-ene-7-yne-5,5-dicarboxylate 在
bis(trifluoromethylsulfonyl)azanide;10,16-di(anthracen-9-yl)-N,N-bis[(1R)-1-phenylethyl]-12,14-dioxa-13-phosphapentacyclo[13.8.0.02,11.03,8.018,23]tricosa-1(15),2(11),3,5,7,9,16,18,20,22-decaen-13-amine;gold(1+) 作用下,
以
甲苯 为溶剂,
反应 36.0h,
以76%的产率得到(3R,7aS)-2-tert-butyl 6,6-diethyl 1-(4-chlorophenylcarbamoyl)-3-methyl-7,7a-dihydro-1H-cyclopenta[c]pyridazine-2,6,6(3H,5H)-tricarboxylate