Patent ID: 7304159
Filing Date: 2007-12-04
Classification: C07F,C08F,Y02P

Abstract:
1. A bis-imine pyridine ligand of formula (II): wherein A 1 -A 6 are each, independently, carbon, nitrogen, oxygen, or sulphur; the atom group may be optionally absent such that A 1 is directly bonded to A 5 ; and R 1 -R 12 , R 14 -R 15 and, if present, R 13 , are each, independently, hydrogen, optionally substituted hydrocarbyl, an inert functional group, or any two of R 1 -R 15 vicinal to one another taken together may form a ring; with the proviso that when A 1 -A 5 , and A 6 if present, are all carbon, said atoms constitute the cyclopentadienyl or aryl part of a π-co-ordinated metal.