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. 16, 2012
Filed:
Jul. 07, 2008
Applicants:
Weiqi Wang, Toyonaka, JP;
Tetsuya Ikemoto, Toyonaka, JP;
Inventors:
Weiqi Wang, Toyonaka, JP;
Tetsuya Ikemoto, Toyonaka, JP;
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 491/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a process for production of trans-dibenzoxenopyrrole compounds, in which reduction, leaving group conversion, hydrogenation and methylation are carried out in that order. The process of the invention allows trans-dibenzoxenopyrrole compounds to be produced by a simpler procedure than conventional processes. The invention further provides novel compounds obtained as intermediates in the process, and a process for their production.