Preparation, properties, and catalytic activity of transition-metal complexes containing a ligated 2-methyl-3,3-diphenyl-1,3-diphosphapropene skeleton |
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| Authors: | Hongze LiangKatsunori Nishide Shigekazu ItoMasaaki Yoshifuji |
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| Institution: | Department of Chemistry, Graduate School of Science, Tohoku University, Aoba, Sendai 980-8578, Japan |
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| Abstract: | 2-Methyl-3,3-diphenyl-1-(2,4,6-tri-t-butylphenyl)-1,3-diphosphapropene behaved as an unsymmetrical chelating ligand for transition metal complexes and the 1,3-diphosphapropene moiety was hydrolyzed to afford the 1,3-diphosphapropan-1-ol derivative upon coordination. The palladium complex showed catalytic activity for the Sonogashira coupling reaction. |
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| Keywords: | phosphaalkenes kinetic stabilization chelate ligand Sonogashira coupling |
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