A Water-Stable Organometallic Rhodium Quinone Catalyst and Its Recyclability

被引：8
|
作者：
Kim, Sang Bok [1 ]
Cai, Chen [1 ]
Faust, Marcus D. [1 ]
Trenkle, William C. [2 ]
Sweigart, Dwight A. [1 ]
机构：
[1] Brown Univ, Dept Chem, Providence, RI 02912 USA
[2] NIDDK, NIH, DHHS, Bethesda, MD 20814 USA
来源：
ORGANOMETALLICS | 2009年 / 28卷 / 08期
关键词：
ALPHA; BETA-UNSATURATED CARBONYL-COMPOUNDS; ARYL BORONIC ACIDS; ARYLBORONIC ACIDS; ALKENYLBORONIC ACIDS; CONJUGATE ADDITION; 1,4-ADDITION; ALDEHYDES; ESTERS; ENONES;
D O I：
10.1021/om900084y
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
When the insoluble dimers [Rh(COD)X](2) (X = OH-, Cl-) are in. contact with a basic aqueous solution of hydroquinone dianion, the precipitate dissolves to afford (benzoquinone)Rh(COD)(-) (2). Complex 2 is very stable and can be recycled many times as a homogeneous catalyst for the conjugate addition of boronic acids to olefins. NMR spectra suggest their the catalytic species is indeed the quinone complex 2.
引用
收藏
页码：2625 / 2628
页数：4
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