trans-5-(2-(5-(4-p-tolyl-1,2,3,3a,4,8b-hexahydrocyclopenta[b]-indol-7-yl)thiophen-2-yl)vinyl)thiophene-2-carbaldehyde 、
氰乙酸 在
哌啶 作用下,
以
乙腈 为溶剂,
反应 6.0h,
以64%的产率得到trans-2-cyano-3-(5-(trans-2-(5-(4-p-tolyl-1,2,3,3a,4,8b-hexahydrocyclo[b]indol-7-yl)thiophen-2-yl)vinyl)thiophen-2-yl)acrylic acid