Invention Grant
- Patent Title: Bisphospholanes for use as catalysts in asymmetric reactions
- Patent Title (中): 在不对称反应中用作催化剂的二磷脂
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Application No.: US12297938Application Date: 2007-04-18
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Publication No.: US07935841B2Publication Date: 2011-05-03
- Inventor: Philip M. Jackson , Ian Campbell Lennon , Martin E. Fox
- Applicant: Philip M. Jackson , Ian Campbell Lennon , Martin E. Fox
- Applicant Address: IN Hyderabad US NJ Bridgewater
- Assignee: Dr. Reddy's Laboratories Limited,Dr. Reddy's Laboratories, Inc.
- Current Assignee: Dr. Reddy's Laboratories Limited,Dr. Reddy's Laboratories, Inc.
- Current Assignee Address: IN Hyderabad US NJ Bridgewater
- Agent Thomas C. McKenzie; Robert A. Franks; Balaram Gupta
- International Application: PCT/US2007/009500 WO 20070418
- International Announcement: WO2007/123957 WO 20071101
- Main IPC: C07F9/30
- IPC: C07F9/30 ; C07F17/02
Abstract:
The invention concerns an enantiomerically enriched compound of formula (1) or the opposite enantiomer thereof wherein each of Ar1—Ar4 represent the same or different aromatic groups of up to 20 carbon atoms and the bridging group X is the formula (5) in which * denotes points of attachment to phosphorus atoms and methods of making thereof.
Public/Granted literature
- US20090099358A1 BISPHOSPHOLANES FOR USE AS CATALYSTS IN ASYMMETRIC REACTIONS Public/Granted day:2009-04-16
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