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:
Mar. 12, 1996
Filed:
Mar. 22, 1994
Applicant:
Inventors:
George E Lee, Somerville, NJ (US);
Thomas B Lee, Whitehouse Station, NJ (US);
Donna M Borek, Clifton, NJ (US);
Assignee:
Hoechst-Roussel Pharmaceuticals Incorporated, Somerville, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548429 ;
Abstract
This application relates to a new process for the preparation of a product of the formula ##STR1## wherein R, R.sup.1, R.sup.2, X and m are as defined within, which process comprises preparing treating a compound such as physostigmine to form eseroline which is then treated with an appropriate compound or its equivalent. Acetic acid is added to the reaction mixture after the formation of eseroline.