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:
Nov. 15, 1979
Applicant:
Inventors:
Lucio Faggian, San Donato Milanese, IT;
Edoardo Platone, San Donato Milanese, IT;
Assignee:
Anic S.p.A., Palermo, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603451 ;
Abstract
The present invention relates to a process for synthesizing pyran nitriles of the general formula ##STR1## consisting of reacting aliphatic 1,5 hydroxyketones with aliphatic nitriles in the presence of basic substances such as oxides, hydroxides, and carbonates of alkali metal and alkaline earth metals, and in particular of alkali metal hydroxides or alcoholates, as the catalyst.