作者:Takahiro Kawatsu、Keiya Aoyagi、Yumiko Nakajima、Jun-Chul Choi、Kazuhiko Sato、Kazuhiro Matsumoto
DOI:10.1021/acs.organomet.0c00433
日期:2020.8.24
silyl alkynoate in N,N-dimethylformamide (DMF) at 80 °C in the presence of catalytic amounts of CuCl and PCy3 produced the corresponding alkynylsilane in excellent yield. The copper-catalyzed decarboxylation proceeded smoothly with low catalyst loadings (0.5 mol % of CuCl and 1.0 mol % of PCy3) under mild reaction conditions and is easily scalable to gram quantities.
在这里,我们描述了一种用于制备炔基硅烷的脱羧方法。在催化量的CuCl和PCy 3的存在下,于80°C在N,N-二甲基甲酰胺(DMF)中处理炔基硅烷基酯,可以以优异的产率得到相应的炔基硅烷。铜催化的脱羧反应在温和的反应条件下以较低的催化剂负载量(0.5 mol%的CuCl和1.0 mol%的PCy 3)平稳进行,并且易于扩展至克量。