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. 24, 1981
Filed:
Mar. 12, 1980
Henri Demarne, Montpellier, FR;
C M Industries, Paris, FR;
Abstract
The present invention relates to phenoxypropane having the formula ##STR1## in which R.sup.1 and R.sup.2 are like or unlike and each is an alkyl group having 1-4 carbon atoms, R.sup.3 is hydrogen or an alkyl group having 1-4 carbon atoms, R.sup.4 is a halogen atom, preferably fluorine, chlorine or bromine, including their optical isomers and also their addition salts with acids. These compounds are of therapeutic value in the treatment of cardiovascular conditions. The invention also relates to methods of synthesis of these products including a synthesis which involves the production, as a intermediate of an 8-aza-4,9-dioxa-2,3-benzo-bicyclo-[4,2,1]-octane having the formula ##STR2## in which R.sup.1 and R.sup.4 are as above defined.