Phosphines and catalysts containing the same
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Date
1998-10-06
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United States Patent and Trademark Office
Abstract
The present invention provides novel a phosphine as a ligand (L) and having the formula ##STR1## wherein k, l, m, R', R'', R.sub.1 -R.sub.9 and n are defined herein, and which can be complexed with a transition metal (M') and an auxiliary ligand Y to form a novel catalyst having the formula M'L.sub.x Y.sub.Z useful in such applications as hydroformylation.