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:
Oct. 06, 2015
Filed:
Sep. 28, 2012
Applicant:
Mitsui Chemicals Agro, Inc., Minato-ku, JP;
Inventors:
Assignee:
MITSUI CHEMICALS AGRO, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 217/02 (2006.01); C07D 215/00 (2006.01); C07D 401/04 (2006.01); A01N 43/42 (2006.01);
U.S. Cl.
CPC ...
C07D 401/04 (2013.01); A01N 43/42 (2013.01);
Abstract
Provided is a simple and efficient method for the large-scale production of a 4,4-difluoro-3,4-dihydroisoquinoline derivative. In the method for producing a 4,4-difluoro-3,4-dihydroisoquinoline derivative represented by general formula (1): a compound represented by general formula (2): is reacted with hydrogen fluoride.