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:
Aug. 17, 1976
Filed:
Aug. 06, 1974
Applicant:
Inventors:
Robert Jay DeFranco, Wilmington, DE (US);
Richard M Scribner, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
2603262 ; 26032643 ; 424244 ;
Abstract
Certain 1,5-disubstituted 2-pyrrolidinones, and their ring unsaturated analogs, resemble natural prostaglandins. The compounds are easier to prepare than the prostaglandins since they have at least one fewer center of asymmetry and accordingly fewer isomers are produced. Exemplary is 7-[2-oxo-5-(3-hydroxy-1-oct-1-enyl)-1-pyrrolidinyl]heptanoic acid of the formula: ##SPC1##