New carboxamide compounds having melanin concentrating hormone antagonistic activity, pharmaceutical preparations comprising these compounds and process for their manufacture
Access to regioselective monofluorinated alkenes concurrently from fluoroalkenylating building blocks such as gem-difluorocyclopropanes represents a powerful synthetic tool and yet a longstanding challenge. Herein, we report a regiodivergent defluorinative carboxylation of gem-difluorocyclopropanes achieved by subtly modulating the electrochemical conditions. A range of branched and linear monofluoroalkene
同时从氟烯基化结构单元(如宝石-二氟环丙烷)获得区域选择性单氟化烯烃是一种强大的合成工具,但也是一个长期存在的挑战。在此,我们报告了一种通过巧妙调节电化学条件实现的宝石-二氟环丙烷的区域发散性脱氟羧化作用。一系列支链和直链单氟烯烃羧酸以中等到高的分离产率生产,并具有独特的区域选择性。该协议被设计为“绿色”,通过使用大气中的 CO 2作为 C1 源而不使用过渡金属。它还被发现具有可扩展性,适用于复杂化合物的后期功能化。
Erratum to “Highly selective electroreductive linear dimerization of electron-deficient vinylarenes” [Tetrahedron 102 (2021) 132535]