Catalytic coupling of terminal acetylenes with iodoarenes and diaryliodonium salts in water
作者:Nikolai A. Bumagin、Ludmila I. Sukhomlinova、Elena V. Luzikova、Tatiana P. Tolstaya、Irina P. Beletskaya
DOI:10.1016/0040-4039(95)02255-4
日期:1996.2
The catalyticcoupling of terminalacetylenes with iodoarenes and diaryliodoniumsalts are shown to occur in aqueous K2CO3 in the presence of 10 mol.% Bu3N under very mild conditions using PdCl2(PPh3)2 and CuI as catalyst precursor to give substituted tolans in high yields.
结果表明,在非常温和的条件下,使用PdCl 2(PPh 3)2和CuI作为催化剂的前体,末端乙炔与碘芳烃和二芳基碘鎓盐的催化偶合在K 2 CO 3水溶液中在10 mol。%Bu 3 N的存在下发生。以高收率得到取代的tolan。