6,6-bis(thiophen-2-ylmethyl)cyclohex-1-enyl trifluoromethanesulfonate 在
(3aR,8aR)-N,N-dibutyl-4,4,8,8-tetrakis(4-tert-butylphenyl)-2,2-dimethyltetrahydro-[1,3]dioxolo[4,5-e][1,3,2]dioxaphosphepin-6-amine 、 palladium diacetate 、
碳酸氢钠 作用下,
以
N,N-二甲基乙酰胺 为溶剂,
以98%的产率得到(R)-7a-(thiophen-2-ylmethyl)-6,7,7a,8-tetrahydro-5H-indeno[2,1-b]thiophene