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:
Sep. 08, 1981
Filed:
Feb. 19, 1980
Applicant:
Inventors:
Helene M Pascal, Le Pontet, FR;
Jean-Marie L Emeury, Sorgues, FR;
Assignee:
Societe Nationale des Poudres et Explosifs, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568584 ;
Abstract
The invention relates to a process for the synthesis of 2,4-dinitro-6-t-butyl-3-methylanisole or musk ambrette. The process according to the invention is characterized in that 6-t-butyl-3-methylanisole is reacted with a nitrating mixture consisting of 30 to 50% of acetic acid, 20 to 30% of acetic anhydride and 25 to 45% by weight of nitric acid, at between 7.degree. and 15.degree. C. The product is recovered in the pure state with a good yield by adding small amounts of water to the crude reaction mixture. Application: Synthesis of a scented product.