4'-(5-Methyl-1,3,4-oxadiazol-2-yl)biphenyl-4-carboxylic acid 、
1'-ethyl-2,3,6,7-tetrahydrospiro[furo[2,3-f]indole-3,4'-piperidine] 在
1'-Ethyl-5-[4'-(5-methyl-1,3,4-oxadiazol-2-yl)biphenyl-4-carbonyl]-2,3,6,7-tetrahydrospiro[furo[2,3-f]indole-3,4'-piperidine] 作用下,
以to afford the title compound as a yellow gum (31%)的产率得到1'-Ethyl-5-[4'-(5-methyl-1,3,4-oxadiazol-2-yl)biphenyl-4-carbonyl]-2,3,6,7-tetrahydrospiro[furo[2,3-f]indole-3,4'-piperidine]