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:
Aug. 13, 2013
Filed:
Feb. 09, 2012
Applicants:
Norio Miyaura, Sapporo, JP;
Tatsuo Ishiyama, Sapporo, JP;
Inventors:
Norio Miyaura, Sapporo, JP;
Tatsuo Ishiyama, Sapporo, JP;
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07F 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a production process of a heteroaryl mono- or diboron compound comprising an aromatic heterocyclic compound and a boron compound in the form of bis(pinacolate)diboron or pinacolate diborane in the presence of a iridium-containing catalyst and a ligand such as a bipyridyl ligand. The reaction is conducted in a single step under mild conditions and allows for changing the charged ratios of the raw materials.