New chiral complexes of palladium(0) containing P,S- and P,P-bidentate ligands

被引:56
作者
Tschoerner, M
Trabesinger, G
Albinati, A
Pregosin, PS
机构
[1] UNIV MILAN,I-20131 MILAN,ITALY
[2] ETH ZENTRUM,ANORGAN CHEM LAB,CH-8092 ZURICH,SWITZERLAND
关键词
D O I
10.1021/om970185r
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
New chiral complexes of Pd(O) containing either the bis(phosphine) (6,6'-dimethoxybiphenyl-2,2'-diyl)bis(3,5-di-tert -butylphenylphosphine) (MeO-BIPHEP, 1) or the phosphine-sulfur chelate (2,3,4,6-tetra-O-acetyl-1-{(2-diphenylphosphino)benzyl)thio) -beta-D-glucopyranose ((2-Ph2PC6H4CH2) -S-CHCH(OAc)CH(OAc)CH(OAc)CH(CH2OAc)O,2) have been prepared, and the solid-state structure of one of these, Pd(benzoquinone)(2), has been determined. These Pd(O) complexes reveal interesting solution dynamics, as shown by 2-dimensional exchange spectroscopy. For the MeO-BIPHEP derivatives, one can obtain useful structural insights based on the observed restricted rotation around the aryl(3,5-di-tert-butylphenl)P-C bonds.
引用
收藏
页码:3447 / 3453
页数:7
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