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New Chiral C 3 ‐Symmetric Tripodal Phosphanes
Author(s) -
Burk Mark J.,
Harlow Richard L.
Publication year - 1990
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199014621
Subject(s) - tripod (photography) , transition metal , chemistry , octahedron , catalysis , octahedral symmetry , stereochemistry , symmetry (geometry) , crystallography , crystal structure , organic chemistry , physics , mathematics , ion , geometry , optics
Compared to bidentale chiral ligands with C 2 symmetry, tridentate ligands with C 2 symmetry give rise to a reduced number of non‐equivalent residual coordination sites in octahedral transition metal complexes. Hence, an increased enantioselectivity can be expected in catalytic reactions. The tripod ligands 1 and 2 , which are readily accessible from 2,5‐dimethyl‐l‐ phenylphospholanes, have been examined as ligands in Rh complexes.