Transition metal complex having diphosphine compound as ligand

Details Transition metal complex having diphosphine compound as ligand Transition metal complex having diphosphine compound as ligand

2006-11-14

2006-11-14

Nazario-Gonzalez, Porfirio (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

C560S179000, C549S507000, C549S513000, C568S881000

Reexamination Certificate

active

07135582

ABSTRACT:
A transition metal complex having 2,2′-bis[bis(3,5-di-tert-butyl-4-methoxyphenyl)phosphino]-1,1′-binaphthyl as a ligand. The presence of the transition metal complex in the reaction system of an asymmetric reaction system allows the preparation of an objective compound having an objective absolute configuration with improved efficiency.

REFERENCES:
patent: 2003/0045727 (2003-03-01), Nakano et al.
patent: 2005/0027124 (2005-02-01), Goto et al.
patent: 0754696 (1997-01-01), None
patent: 1452537 (2004-09-01), None
patent: 2002/363160 (2002-12-01), None
patent: WO98/42716 (1998-10-01), None

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