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:
Nov. 22, 2016
Filed:
Apr. 14, 2014
Applicant:
Arkema France, Colombes, FR;
Inventor:
Thierry Aubert, Pau, FR;
Assignee:
ARKEMA FRANCE, Colombes, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07D 201/04 (2006.01); C07D 227/087 (2006.01); C07C 249/06 (2006.01);
U.S. Cl.
CPC ...
C07D 201/04 (2013.01); C07C 249/06 (2013.01); C07D 227/087 (2013.01); C07C 2101/20 (2013.01);
Abstract
The invention relates to a method for preparing lactames, according to which a photonitrosation of a cycloalkane is carried out using nitrosyl chloride (NOCI). According to the invention, said photonitrosation is carried out by means of LEDs emitting a monochromatic light. The method according to the invention can also include a step comprising Beckmann transposition/dechlorination of the oxime hydrochloride generated during said phonitrosation, preferably carried out in a glass microreactor.