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:
Feb. 19, 2008
Filed:
Sep. 01, 2006
Applicants:
Zhengxu Han, Shrewesbury, MA (US);
Dhileepkumar Krishnamurthy, Danbury, CT (US);
Chris Hugh Senanayake, Brookfield, CT (US);
Zhi-hui LU, Shrewsbury, MA (US);
Inventors:
Zhengxu Han, Shrewesbury, MA (US);
Dhileepkumar Krishnamurthy, Danbury, CT (US);
Chris Hugh Senanayake, Brookfield, CT (US);
Zhi-Hui Lu, Shrewsbury, MA (US);
Assignee:
Apsinterm LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 291/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention provides intermediates useful in a method of preparing amine stereoisomers. It also provides a method of preparing sulfoxide and sulfinylamine stereoisomers using certain of the intermediates.