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First chelated chiral N-Heterocyclic bis-carbene complexes
被引:188
|作者:
Clyne, DS
[1
]
Jin, J
[1
]
Genest, E
[1
]
Gallucci, JC
[1
]
RajanBabu, TV
[1
]
机构:
[1] Ohio State Univ, Dept Chem, Columbus, OH 43210 USA
关键词:
D O I:
10.1021/ol005694v
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
First chiral bidentate bis-carbene complex of Pd(II) prepared from a bis-imidazolium salt derived from (S) 2,2'-bromomethyl-1,1'-binaphthyl exists in both cis- and trans-square planar geometry. These and the corresponding trans-Ni(II) complexes are remarkably resistant to high temperature, air, water, and silica gel chromatography. The Pd complexes catalyze Heck reactions.
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页码:1125 / 1128
页数:4
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