在这项研究中,我们证明了烷基五氟硅酸钾(RSiF 5 K 2)是选择性C(sp 3)–C(sp 3)键形成反应的有效伯烷基自由基前体。RSiF 5 K 2试剂是白色的,可自由流动的固体,对湿气和空气稳定。这类试剂可在温和条件下通过单电子转移将四氢异喹啉直接C-1烷基化。在该转化中,烷基五氟硅酸盐和四氢异喹啉都具有宽泛的底物范围。自由基清除剂和EPR捕获实验均表明,主要自由基是由RSiF 5 K 2的氧化产生的。提出了一种机制,该机制涉及将烷基自由基加到亚胺盐中,然后用胺还原。
SATURATED N-HETEROCYCLIC CARBENE-LIGAND METAL COMPLEX DERIVATIVES, PREPARING METHOD THEREOF, AND PREPARING METHOD OF SILANE COMPOUND BY HYDROSILYLATION REACTION USING THE SAME AS CATALYST
申请人:Yoo Bok Ryul
公开号:US20110160454A1
公开(公告)日:2011-06-30
Provided are a saturated N-heterocyclic carbene-ligand metal complex derivative, a method for preparing the same, and a method for preparing a silane compound by hydrosilylation using the same as a catalyst. To describe in more detail, the metal complex derivative has a saturated N-heterocyclic carbene derivative and an olefin ligand at the same time. A silane compound is prepared by hydrosilylation in the presence of the metal complex derivative as a catalyst. The provided metal complex derivative of the present invention has superior stability during hydrosilylation reaction and is capable of effectively performing the hydrosilylation reaction at low temperature even with small quantity. Further, a product with superior regioselectivity may be obtained. In addition, after the hydrosilylation reaction is completed, the metal complex derivative may be recovered and recycled.
[EN] SATURATED N-HETEROCYCLIC CARBENE-LIGAND METAL COMPLEX DERIVATIVES, PREPARING METHOD THEREOF, AND PREPARING METHOD OF SILANE COMPOUND BY HYDROSILYLATION REACTION USING THE SAME AS CATALYST<br/>[FR] DÉRIVÉS DE COMPLEXE MÉTALLIQUE AVEC LIGAND-CARBÈNE N-HÉTÉROCYCLIQUE SATURÉ, LEUR PROCÉDÉ DE PRÉPARATION ET PROCÉDÉ DE PRÉPARATION DE COMPOSÉ SILANE PAR RÉACTION D'HYDROSILYLATION À L'AIDE DE CEUX-CI COMME CATALYSEUR
申请人:KOREA INST SCI & TECH
公开号:WO2011081277A3
公开(公告)日:2011-09-29
Motsarev, G. V.; Kolbasov, V. I.; Inshakova, V. T., Journal of general chemistry of the USSR, 1984, vol. 54, p. 792 - 797
作者:Motsarev, G. V.、Kolbasov, V. I.、Inshakova, V. T.、Rozenberg, V. R.、Alikhanov, P. P.
DOI:——
日期:——
Petrow et al., Zhurnal Obshchei Khimii, 1955, vol. 25, p. 2469,2472;engl.Ausg.S.2357,2359
作者:Petrow et al.
DOI:——
日期:——
Process for the production of organosilicon compounds