ASYMMETRIC CATALYSIS BASED ON CHIRAL PHOSPHOLANES AND HYDROXYL PHOSPHOLANES

Title:

ASYMMETRIC CATALYSIS BASED ON CHIRAL PHOSPHOLANES AND HYDROXYL PHOSPHOLANES

Document Type and Number:

WIPO Patent Application WO2003040149

Kind Code:

A3

Abstract:

Chiral phosphine ligands derived from chiral natural products including D-mannitol and tartaric acid. The ligands contain one or more 5-membered phospholane rings with multiple chiral centers, and provide high stereoselectivity in asymmetric reactions.

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Inventors:

ZHANG XUMU

Application Number:

PCT/US2002/035484

Publication Date:

October 30, 2003

Filing Date:

November 06, 2002

Export Citation:

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Assignee:

PENN STATE RES FOUND (US)

International Classes:

B01J31/22; B01J31/24; C07D213/55; C07B53/00; C07B61/00; C07C45/50; C07C51/36; C07C55/02; C07C67/303; C07C69/34; C07C231/12; C07C231/18; C07C233/47; C07F9/6568; C07F9/6571; C07F15/00; C07F15/04; C07F17/02; C07F19/00; (IPC1-7): B01J31/00; C07C69/76

Foreign References:

US6043396A

2000-03-28

Other References:

BRUNNER ET AL.: "Enantioselective catalysis, 101, synthesis and coordination properties of (3'S,4'S)-(+)-1,2,-bis(3',4'-dimethoxy-phospholano)benzene, a new chiral diphosphane", Z. NATURFORSCH., vol. 51B, 1996, pages 1210 - 1212, XP002124372

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