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. 15, 2004
Filed:
May. 03, 2000
Applicant:
Inventors:
Peng C. Tang, Moraga, CA (US);
G. Davis Harris, San Francisco, CA (US);
Assignee:
Sugen, Inc., South San Francisco, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/1404 ; C07D / ; C07D / ; C07D / ; C07D 4/314 ; C07D 4/302 ;
U.S. Cl.
CPC ...
A61K 3/1404 ; C07D / ; C07D / ; C07D / ; C07D 4/314 ; C07D 4/302 ;
Abstract
The present invention relates to novel synthetic methods for the preparation of indolylquinones. The methods of the present invention are directed to synthetic reactions involving indoles and halo-quinones in solvent and in the presence of a metal carbonate. The invention also relates to bis- and mono-indolylquinones of high purity and pharmaceutical compositions containing the same.