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. 2000 Apr 20;2(8):1125-8.
doi: 10.1021/ol005694v.

First chelated chiral N-heterocyclic bis-carbene complexes

DS Clyne  1 , J Jin, E Genest, JC Gallucci, TV RajanBabu
Affiliations

First chelated chiral N-heterocyclic bis-carbene complexes

DS Clyne et al. Org Lett. .

Abstract

[formula: see text] 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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