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:
Dec. 03, 2002
Filed:
Jun. 21, 2002
Applicant:
Inventors:
Frederick Hicks, Somerville, MA (US);
Da-Ming Gou, Lexington, MA (US);
Salvatore Anthony Marchese, Malden, MA (US);
Lawrence J. Martel, Manchester, NH (US);
Atena Necula, Everett, MA (US);
Richard E. Benetti, Somerville, MA (US);
Richard A. Silva, Foxboro, MA (US);
Assignee:
Rhodia Chirex Inc., Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
A method for making an indole compound includes transition metal-catalyzed arylation of a hydrazone to form an aryl hydrazone, hydrolysis of the aryl hydrazone to form an aryl hydrazine, and acid catalyzed cyclization of the aryl hydrazine to form the indole compound.