The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6844448 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 18, 2005

Filed:

Dec. 20, 2002
Applicants:

Eric N. Jacobsen, Boston, MA (US);

Matthew S. Sigman, Somerville, MA (US);

Inventors:

Eric N. Jacobsen, Boston, MA (US);

Matthew S. Sigman, Somerville, MA (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D20740 ; C07C25300 ; C07C22900 ;
U.S. Cl.
CPC ...
Abstract

The present invention relates to a method and catalysts for the stereoselective addition of a nucleophile to a reactive π-bond of a substrate. The chiral, non-racemic catalysts of the present invention constitute the first examples of catalysts for nucleophilic additions that comprise a main-group metal and a tri- or tetra-dentate ligand.


Find Patent Forward Citations

Jacobsen, Eric. (2005). Main-group metal-based asymmetric catalysts and applications thereof (U.S. Patent No. 6844448). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6844448

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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