Substituted 2,4-dialkoxy benzene sulfonyl chlorides

Details Substituted 2,4-dialkoxy benzene sulfonyl chlorides Substituted 2,4-dialkoxy benzene sulfonyl chlorides

1983-12-30

1986-10-21

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14370, C07C14706

Patent

active

046184597

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.

REFERENCES:
patent: 3453099 (1969-07-01), Popoff et al.
patent: 4457875 (1984-07-01), Fournier et al.
Dorn, H. W. et al., J. Am. Chem. Society, vol. 61, (1939) pp. 141-147.
Bottino, F. et al., Journal of the Chemical Society, Perkin I (3/1981) pp. 718-722.

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