Regioselective control of the thiocarbonylation of terminal acetylenes with arylthiols catalyzed by Pd(II) and diphosphine ligands

被引:19
作者
El Ali, B [1 ]
Tijani, J [1 ]
El-Ghanam, A [1 ]
Fettouhi, M [1 ]
机构
[1] King Fahd Univ Petr & Minerals, Dept Chem, Dhahran 31261, Saudi Arabia
关键词
palladium; carbonylation; thiophenols; alkynes; thioesters; syngas;
D O I
10.1016/S0040-4039(00)02169-9
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Control of the regioselective thiocarbonylation of terminal acetylenes 1a-e with arylthiols 2a,b was successfully achieved by using Pd(OAc)(2) and 1,4-bis(diphenylphosphino)butane (dppb), or 1,3-bis(diphenylphosphino)propane (dppp), as catalysts. The formation of the thioesters 3 or 4 depends mainly on the type of ligand (dppp or dppb) and the solvent (THF or CH2Cl2) under CO/H+ or syngas mixture. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1567 / 1570
页数:4
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