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.:
Date of Patent:
Mar. 15, 2005
Filed:
Oct. 14, 2003
Applicant:
Karol Grela, Warsaw, PL;
Inventor:
Karol Grela, Warsaw, PL;
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07F015/00 ; C07F009/02 ; B01J031/00 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to new (pre)catalysts of ruthenium complexes of formula 1,wherein L, X, X', R, R, Rand n are defined herein. The novel ruthenium complexes of formula 1 are convenient (pre)catalysts for metathesis reactions and can be applied, e.g., for ring-closing metathesis, cross metathesis or ene-ine metathesis reactions. Another aspect of the invention are the novel intermediates of formula 2.