Bis-imido carbonate sulphones
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United States of America Patent
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Mar 17, 1987
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N/A
app pub date -
Jul 10, 1985
filing date -
Jul 31, 1984
priority date (Note) -
Expired
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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.
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