(E)-dimethyl 2-(3-cyclopropylallyl)-2-(3-(4-nitrophenyl)prop-2-ynyl)malonate 在
六氟磷酸银 、 (2,4-di-
tBu-C
6H
3O)
3PAu(PhCN)SbF
6 作用下,
以
二氯甲烷 为溶剂,
反应 6.0h,
生成 dimethyl (+/-)-(3aR*,4S*)-4-cyclopropyl-6-nitro-3a,4-dihydro-1H-cyclopenta[b]naphthalene-2,2(3H)-dicarboxylate 、 dimethyl (+/-)-(3aR*,4R*)-4-cyclopropyl-6-nitro-3a,4-dihydro-1H-cyclopenta[b]naphthalene-2,2(3H)-dicarboxylate