Patent · US Expired

Polyhydrobenzi[c,d]indolesulphonamides

US4853406A · kind A · utility

5Cited by
2References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 1988
Grant dateAug 1, 1989
Priority date
Expiry dateMay 31, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P11/08
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Thrombocyte aggregation-inhibiting polyhydrobenz[c,d]indolesulphonamide of the formula ##STR1## in which R.sup.1 is hydrogen, aryl or alkyl, PA1 R.sup.2 is hydrogen, halogen, alkyl, alkoxy, trifluoromethyl, trifluoromethoxy, hydroxyl, aralkoxy or PA2 a group of the formula ##STR2## R.sup.3 and R.sup.4 each independently is hydrogen, alkyl, aryl, aralkyl or acyl and PA2 X is cyano or carboxyl, and salts thereof. Intermediates therefor of the formula ##STR3## are also new.

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