2016-08-242016-08-241998-10-06http://hdl.handle.net/10919/72369The 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.application/pdfen-USPatenthttp://pimg-fpiw.uspto.gov/fdd/75/177/058/0.pdf8731232534/14534/10556/13C07C45/50C07F9/5022C07C47/025817775