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:
Jun. 28, 2016
Filed:
May. 01, 2013
Applicant:
Boehringer Ingelheim International Gmbh, Ingelheim am Rhein, DE;
Inventors:
Magnus Carl Arne Eriksson, Brookfield, CT (US);
Suresh R. Kapadia, Danbury, CT (US);
Jonathan Timothy Reeves, New Milford, CT (US);
Xingzhong Zeng, New Milford, CT (US);
Assignee:
BOEHRINGER INGELHEIM INTERNATIONAL GMBH, Ingelheim am Rhein, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 305/06 (2006.01); C07C 215/10 (2006.01); C07C 227/10 (2006.01); C07C 229/24 (2006.01); C07C 213/00 (2006.01); C07C 215/28 (2006.01); C07C 229/34 (2006.01);
U.S. Cl.
CPC ...
C07D 305/06 (2013.01); C07C 213/00 (2013.01); C07C 215/10 (2013.01); C07C 215/28 (2013.01); C07C 227/10 (2013.01); C07C 229/24 (2013.01); C07C 229/34 (2013.01);
Abstract
This invention relates to methods for making oxetan-3-ylmethanamines having the formula (I) wherein R1? and R2? are as defined herein. The methods of the invention provide the compounds of formula (I) in high yields and under conditions amenable for large-scale commercial production.