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:
Aug. 05, 2008
Filed:
Aug. 29, 2006
Applicants:
Guisheng LI, Richmond, VA (US);
Jianxiu Liu, Richmond, VA (US);
Zhi-hui LU, Glen Allen, VA (US);
Frank Roschangar, Glen Allen, VA (US);
Chris Hugh Senanayake, Brookfield, CT (US);
Ming Shen, Waltham, MA (US);
Inventors:
Guisheng Li, Richmond, VA (US);
Jianxiu Liu, Richmond, VA (US);
Zhi-Hui Lu, Glen Allen, VA (US);
Frank Roschangar, Glen Allen, VA (US);
Chris Hugh Senanayake, Brookfield, CT (US);
Ming Shen, Waltham, MA (US);
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 229/54 (2006.01); C07D 263/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are 2-bromoaniline or 2-chloroaniline compounds of formula (I): wherein R, Rand X are as defined. The compounds are useful as intermediates for preparing indole compounds.