Tert-butyl N-[(4-chlorophenyl)carbamoylamino]carbamate 在
吡啶 、
N-溴代丁二酰亚胺(NBS) 、 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
二氯甲烷 、
甲苯 为溶剂,
反应 7.0h,
生成
(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