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New Pd–NHC-complexes for the Mizoroki–Heck reaction by Maria A. Taige; Alexander Zeller; Sebastian Ahrens; Sigrid Goutal; Eberhardt Herdtweck; Thomas Strassner is a Chemistry article available to read on EtoBox.
What is New Pd–NHC-complexes for the Mizoroki–Heck reaction about?
The synthesis and structural characterization of novel chelating N-aryl substituted palladium(II)-biscarbene-complexes is reported: 1,1 0 -bis(4-bromophenyl)-3,3 0 -methylene-diimidazoline-2,2 0 -diylidene-palladium(II)-dibromide, 1,1 0 -bis(4-methoxyphenyl)-3,3 0 -methylenediimidazoline-2,2 0 -diylidene-palladium(II)-dibromide and 1,1 0 -bis(4-n-butoxyphenyl)-3,3 0 -methylenediimidazoline-2,2 0 -diylidene-palladium(II)-dibromide have been synthesized in good yields. The catalytic activity of these 1,1 0 -aryl-3,3 0 -methylenediimidazoline-2, 2 0 -diylidene-palladium(II)-dihalogenide complexes was tested for the Mizoroki-Heck reaction in comparison to 1,1 0 -(bis)methyl-3, 3 0 -methylenediimidazoline-2,2 0 -diylidene-palladium(II)-dihalogenide complexes and to 1,1 0 -bis(phenyl)-3,3 0 -methylene-diimidazoline-2,2 0 -diylidene-palladium(II)-dibromide. The activity of the aryl substituted catalysts is significantly higher compared to the methyl substituted NHC complexes. They also allow the coupling of arylchlorides with olefins.
Who reads New Pd–NHC-complexes for the Mizoroki–Heck reaction?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Maria A. Taige; Alexander Zeller; Sebastian Ahrens; Sigrid Goutal; Eberhardt Herdtweck; Thomas Strassner
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-328X)
- Published
- 2007
- Language
- EN
- Field
- Chemistry (Physical Sciences)