Non-Pd transition metal-catalyzed hydrostannations: Bu3SnF/PMHS as a tin hydride source
作者:Robert E. Maleczka、Banibrata Ghosh、William P. Gallagher、Aaron J. Baker、Jill A. Muchnij、Amy L. Szymanski
DOI:10.1016/j.tet.2013.02.064
日期:2013.5
and rhodium catalyzed alkyne hydrostannations using in situ generated Bu3SnH were studied. In most cases, Bu3SnF+polymethylhydrosiloxane (PMHS) performed well as the in situ source of Bu3SnH. In contrast, the combination of Bu3SnCl/KFaq/PMHS, which had witnessed earlier success in Pd-catalyzed hydrostannation reactions, proved less employable in alkyne hydrostannations mediated by these metals.
研究了使用原位生成的Bu 3 SnH进行的钼,钴,镍,钌和铑催化的炔烃氢化。在大多数情况下,卜3的SnF +聚甲基(PMHS)执行以及卜的原位源3 SNH。相比之下,Bu 3 SnCl / KF aq / PMHS的组合在Pd催化的氢化锡锡反应中获得了较早的成功,但在这些金属介导的炔烃锡锡锡氢化反应中使用较少。