Patent ID: 6248848
Filing Date: 2001-06-19
Classification: B01J,C07B,C07C,C07F,C08F,Y02P

Abstract:
A 2'-diarylphosphino-1,1'-biphenylen-2-yloxy(6,6'-divinyl-1,1'-binaphthalene -2,2'-diyloxy)phosphine derivative represented by the following general formula (I): ##STR17##wherein Ar is an optionally substituted phenyl group or an optionally substituted naphthyl group; R.sup.1 and R.sup.2 each independently is a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom, a halogen-substituted lower alkyl group, or a benzyloxy group; and R.sup.3 is a lower alkyl group, a lower alkoxy group, a halogen atom, a halogen-substituted lower alkyl group, or a benzyloxy group; provided that R.sup.2 and R.sup.3 may be bonded to each other to form a hydrocarbon ring, which have one or more substituents selected from lower alkyl groups, halogen atoms, lower alkoxy groups, halogenated lower alkyl groups, a benzyloxy group, and a vinyl group.