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:
Dec. 25, 1990
Filed:
Mar. 13, 1987
Applicant:
Inventors:
Graham Bird, Ascot Vale, AU;
Donald Harney, East St Kilda, AU;
Errol McGarry, Eltham North, AU;
Matthew Bolte, Romsey, AU;
Assignee:
ICI Australia Limited, Victoria, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558414 ;
Abstract
The invention relates to a process for the preparation of a compound of formula I ##STR1## R is alkyl, and X is bromine or iodine which process comprises: reacting a compound of formula II in a two phase system, said system comprising an aqueous phase and an organic phase comprising a water immiscible solvent, with an acylating agent of formula III or IV in the presence of a base catalyst. ##STR2##