反应详情

 was acylated with (3,5-dimethyl-phenylsulfanyl)acetic acid, with pyridin-4-ylsulfanyl-acetic acid, with 2-(biphenyl-4-ylsulfanyl)-acetic acid, and with 2-(4′-methoxy-biphenyl-4-ylsulfanyl)-acetic acid, respectively, to give the following compounds as pale-yellow solids: