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:
Apr. 24, 2018
Filed:
May. 28, 2015
Applicant:
Shionogi & Co., Ltd., Osaka, JP;
Inventors:
Genta Tadano, Osaka, JP;
Fumiya Ikarashi, Hyogo, JP;
Kazuya Okamoto, Osaka, JP;
Toshikatsu Maki, Osaka, JP;
Motoyuki Hagihara, Hyogo, JP;
Assignee:
SHIONOGI & CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 403/12 (2006.01); C07D 239/94 (2006.01); C07D 295/03 (2006.01); C07C 321/04 (2006.01); C07D 413/12 (2006.01);
U.S. Cl.
CPC ...
C07D 403/12 (2013.01); C07C 321/04 (2013.01); C07D 239/94 (2013.01); C07D 295/03 (2013.01); C07D 413/12 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to a Sonogashira-Carbonylation reaction using two types of gas, as well as novel crystals which can control a heat of the said reaction and the process of producing the same. In addition, the present invention relates to a ligand (additive) to prevent the deactivation of a palladium catalyst.