Modulation of the coordination geometries of NCN and NCNC Rh complexes for ambidextrous chiral catalysts

A chirality switch between novel NCN pincer Rh complexes and a related double cyclometalated NCNC Rh complex containing secondary amino groups is described. Their catalytic abilities were determined in asymmetric alkynylation of ethyl trifluoropyruvate, and the change in the coordination geometry of...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2019, Vol.55 (85), p.12765-12768
Hauptverfasser: Ito, Jun-ichi, Ishihara, Takahiro, Fukuoka, Takaki, Binti Mat Napi, Siti Rokiah, Kameo, Hajime, Nishiyama, Hisao
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Sprache:eng
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Zusammenfassung:A chirality switch between novel NCN pincer Rh complexes and a related double cyclometalated NCNC Rh complex containing secondary amino groups is described. Their catalytic abilities were determined in asymmetric alkynylation of ethyl trifluoropyruvate, and the change in the coordination geometry of the Rh catalysts affected the stereochemistry of the products. A chirality switch between novel NCN pincer Rh complexes and a related double cyclometalated NCNC Rh complex containing secondary amino groups is described.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc06520b