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:
Sep. 09, 1980
Filed:
Feb. 16, 1979
Applicant:
Inventors:
Young S Lo, Richmond, VA (US);
David A Walsh, Richmond, VA (US);
William J Welstead, Jr, Richmond, VA (US);
Assignee:
A. H. Robins Company, Inc., Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
2603 / ; 26032616 ;
Abstract
A novel process for the preparation of 7-acylindolin-2-ones of the formula: ##STR1## wherein R is hydrogen, halogen, lower alkyl, lower alkoxy, or trifluoromethyl; R.sup.1 is lower alkyl, alkylphenyl, cycloalkyl, or aryl; and R.sup.2 is hydrogen, lower alkyl or benzyl is provided. The compounds are useful as intermediates in the preparation of 2-amino-3-acylphenylacetic acid compounds which possess pharmaceutical properties.
Lo, Young. (1980). Intermediate and process for the preparation of 7-acylindolin-2-ones (U.S. Patent No. 4221716). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4221716
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile