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:
Feb. 17, 1976
Filed:
Mar. 16, 1973
Applicant:
Inventor:
Albert Eschenmoser, Kuesnacht, Zurich, CH;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ; 2602 / ; 260598 ;
Abstract
A process for the manufacture of aldehydes of the general formula ##EQU1## in which the symbols R.sub.1, R.sub.2 and R.sub.3 stand for hydrogen or organic radicals and in which at least two of these radicals are linked together by fragmenting a corresponding aziridine compound of the general formula ##EQU2## in which R.sub.1, R.sub.2 and R.sub.3 are as above and R.sub.4 to R.sub.7 each represents hydrogen, an alkoxycarbonyl, cyano, nitro or sulphonyl group or an alkyl, alkenyl, cycloalkenyl or alkyl residue and two or more of these residues may be linked together with simultaneous evolution of nitrogen.