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:
Nov. 22, 2016
Filed:
Oct. 22, 2015
Applicant:
Mitsui Chemicals Agro, Inc., Minato-ku, Tokyo, JP;
Inventors:
Hideki Umetani, Yasu, JP;
Nobuhiro Kondo, Mobara, JP;
Fumie Kajino, Yasu, JP;
Munetsugu Morimoto, Yasu, JP;
Assignee:
MITSUI CHEMICALS AGRO, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 217/02 (2006.01); C07D 401/04 (2006.01); C07D 217/16 (2006.01); C07D 217/14 (2006.01);
U.S. Cl.
CPC ...
C07D 401/04 (2013.01); C07D 217/02 (2013.01); C07D 217/14 (2013.01); C07D 217/16 (2013.01);
Abstract
Provided are an efficient method for producing 3,4-dihydroisoquinoline derivatives and useful production intermediates thereof. Provided is a method for producing 3,4-dihydroisoquinoline derivatives represented by general formula (1), comprising converting a compound represented by general formula (3) in the presence of acid after reacting with an aniline derivative, or converting a compound represented by general formula (3) by reacting with an aniline derivative in the presence of an acid.