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:
Oct. 23, 1990
Filed:
Mar. 10, 1989
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 21 ;
Abstract
Nitrobenzoyl-3-cyclopropylaminoacrylates are prepared by two stage reaction: (a) The first stage is the synthesis of nitrobenzoyl-3-alkoxyacrylates from nitrobenzoylester compound and alkylorthoformate in organic acid solvent. (b) The second stage is the synthesis of nitrobenzoyl-3-cyclo propylamino acrylate from nitrobenzoyl-3-alkoxyacrylates and cyclopropylamine.