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:
Mar. 17, 1987
Filed:
Jul. 10, 1985
Applicant:
Inventors:
Jeffrey D Michael, Milton Keynes, GB;
Barry C Ross, Luton, GB;
Assignee:
Hoechst UK Limited, , GB;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558-6 ; 564 79 ; 544-7 ;
Abstract
BIS-Imido carbonate sulphones of the formula: ##STR1## in which R represents phenyl which is unsubstituted or substituted by one or two substituents, which is the same or different, selected from methyl, trifluoromethyl, nitro and cyano groups, and chlorine, flourine and bromine atoms, and p represents the integer 1, are produced by reacting a compound of formula VI ##STR2## in which R is as defined above, with thionyl chloride in the presence of an organic base. The compounds of formula II are useful in the production of 1, 2, 4, 6-thiatriazines.