Patent · US Expired

Benzamide derivatives

US4146631A · kind A · utility

35Cited by
3References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 1977
Grant dateMar 27, 1979
Priority date
Expiry dateNov 3, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D257/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Benzamide derivatives of the formula:- ##STR1## wherein R.sup.1 represents a fluorine, chlorine or bromine atom, or an alkyl, alkoxy, alkylthio, alkylsulphonyl, alkanoylamino, alkylamino or alkylsulphamoyl group, each such group containing from 1 to 6 carbon atoms, a dialkylsulphamoyl, dialkylamino or dialkylcarbamoyl group (wherein the two alkyl groups may be the same or different and each contains from 1 to 4 carbon atoms), an alkanoyl, alkoxycarbonyl, alkoxycarbonylamino or alkylcarbamoyl group containing from 2 to 6 carbon atoms, or a hydroxy, formyl, nitro, trifluoromethyl, aryl, benzyloxycarbonylamino, amino, sulphamoyl, cyano, tetrazol-5-yl, carboxy, carbamoyl or aroyl group, and n represents an integer 1, 2 or 3, are new compounds possessing pharmacological properties, in particular properties of value in the treatment of respiratory disorders manifested by the interaction of tissue-fixed antibodies with specific antigens.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.