Substituted 2,4-dialkoxy benzene sulfonyl chlorides
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United States of America Patent
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Oct 21, 1986
Issued Date -
N/A
app pub date -
Dec 30, 1983
filing date -
Apr 23, 1981
priority date (Note) -
Expired
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Abstract
The invention relates to trisubstituted sulfohalides, the process for their preparation and their use as intermediate products for the manufacture of novel compounds. The trisubstituted sulfohalides according to the invention correspond to the following general formula (I): ##STR1## in which: X is a halogen atom, particularly bromine or preferably chlorine; R.sub.3 and R.sub.4 each represent, independently of one another, a lower alkyl radical having from 1 to 4 carbon atoms, A represents hydrogen, halogen, alkoxy radicals having from 1 to 4 carbon atoms, alkylsulfonyl groups having from 1 to 4 carbon atoms, or the group NO.sub.2, or CF.sub.3. The invention is useful in the manufacture of medicaments.
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