A process for the palladium-catalyzed coupling of terminal alkynes with heteroaryl tosylates and heteroaryl benzenesulfonates
The present invention relates to a process for the regioselective synthesis of compounds of the formula (I),
wherein D, J and W have the meanings indicated in the claims. The present invention provides an efficient and general palladium-catalyzed coupling process of heteroaryl tosylates with terminal alkynes to a wide variety of substituted, multifunctional heteroaryl-1-alkynes of the formula I.
一种
钯催化的端基炔与杂环
磺酸酯和杂环
苯磺酸酯偶联的方法。本发明涉及一种化合物(I)的区域选择性合成方法,其中D、J和W具有所述权利要求中指示的含义。本发明提供了一种高效、通用的
钯催化偶联过程,将杂环
磺酸酯与端基炔耦合,制备多取代、多功能的杂环-1-炔化合物(I)。