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:
Jul. 14, 1981
Filed:
Jan. 07, 1980
Applicant:
Inventors:
Howard C Haas, Arlington, MA (US);
Stanley J Jasne, Andover, MA (US);
Robert D Moreau, Nashua, NH (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07C / ;
U.S. Cl.
CPC ...
556419 ; 564160 ;
Abstract
A process for preparing 2-methylene-1,3-propanediamide is disclosed which comprises providing a solution of a novel compound of the formula ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 can each independently be lower alkyl of from 1 to 10 carbon atoms, aryl, alkaryl, aralkyl, or halogen and X is an electron-accepting leaving group, in an inert, aprotic organic solvent, and subjecting the compound in solution to .beta.-elimination reaction conditions effective to eliminate the silyl group ##STR2## and the electron-accepting leaving group