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. 18, 1995
Filed:
May. 31, 1994
Applicant:
Inventors:
Guy Solladie, Strasbourg, FR;
Guy Stone, Strasbourg, FR;
Antonio Urbano-Pujol, Madrid, ES;
Jean Maignan, Tremblay les Gonesse, FR;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
554213 ; 554127 ; 554214 ; 554126 ; 554150 ; 554165 ; 554166 ; 554196 ; 554219 ; 560174 ; 560177 ; 560201 ; 560205 ;
Abstract
Process for the stereospecific synthesis of leukotriene B.sub.4 (LTB.sub.4) of 6Z, 8E, 10E configuration of formula ##STR1## in which a dibenzoate triether is prepared which is subjected to a reductive elimination according to the diagram ##STR2## so as to obtain a triether which is converted in order to obtain the leukotriene B.sub.4.