Invention Grant
US08975269B2 Six-membered N-heterocyclic carbene-based catalysts for asymmetric reactions
有权
用于不对称反应的六元N-杂环卡宾型催化剂
- Patent Title: Six-membered N-heterocyclic carbene-based catalysts for asymmetric reactions
- Patent Title (中): 用于不对称反应的六元N-杂环卡宾型催化剂
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Application No.: US14445121Application Date: 2014-07-29
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Publication No.: US08975269B2Publication Date: 2015-03-10
- Inventor: D. Tyler McQuade , Jin Kyoon Park , Matthew D. Rexford , Hershel H. Lackey
- Applicant: Florida State University Research Foundation
- Applicant Address: US FL Tallahassee
- Assignee: Florida State University Research Foundation
- Current Assignee: Florida State University Research Foundation
- Current Assignee Address: US FL Tallahassee
- Agency: Alchemy-Partners, PC
- Main IPC: C07D487/04
- IPC: C07D487/04 ; C07F5/04 ; C09K3/00 ; C07F1/08 ; B01J31/12 ; C07F5/02 ; B01J31/22

Abstract:
The present invention provides a catalyst complex or ligand, and compositions thereof, for use in a variety of organic reactions having high reactivity and enantioselectivity. The catalyst is a N-heterocyclic carbene having three fused rings with first and second rings being six-membered rings and the third being a five-membered ring. The first ring is fused to the second and has four substituents. The second ring has two nitrogens flanking a carbene atom with one nitrogen bound to a substituent. The carbene atom may optionally be bonded to a metal. The third ring is fused to the second ring and contains two nitrogens. The third ring of the catalyst has a double bond and two substituents on adjacent non-fused carbons. A non-fused nitrogen of the third ring is partially bonded to another substituent. Methods for the synthesis and use of the catalyst embodiments of the present invention are also provided.
Public/Granted literature
- US20140336402A1 LIGAND FORMING ASYMMETRICAL TRANSFORMATION CATALYST FOR MAKING NEW PHARMACEUTICALS Public/Granted day:2014-11-13
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