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:
Feb. 12, 2019
Filed:
Feb. 02, 2017
University of Southern California, Los Angeles, CA (US);
Travis J. Williams, Los Angeles, CA (US);
Zhiyao Lu, Duarte, CA (US);
Ivan Demianets, Los Angeles, CA (US);
UNIVERSITY OF SOUTHERN CALIFORNIA, Los Angeles, CA (US);
Abstract
A catalyst system includes a complex having formula I which advantageously has a sterically protecting N-heterocyclic carbene (NHC) carbene-pyridine ligand to handle harsh reactions conditions than many prior art catalysts: wherein M is a transition metal; o is 0, 1, 2, 3, or 4; Ris a Calkyl, a Caryl, or an optionally substituted Cheteroaryl. In a refinement, Ris methyl, ethyl, butyl, n-propyl, isopropyl, n-butyl, sec-butyl, or t-butyl; R, R, R' are independently an optionally substituted Calkyl, halo (e.g., Cl, F, Br, etc), NO, an optionally substituted Caryl, or an optionally substituted Cheteroaryl; R, R′ are independently an optionally substituted Calkyl, halo, NO, an optionally substituted Caryl, or an optionally substituted Cheteroaryl; and Xis a negatively charge counter ion and L, Lare each independently a neutral ligand.