Patent · US Expired

Sulfonamides

US5171353A · kind A · utility

7Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1990
Grant dateDec 15, 1992
Priority date
Expiry dateMay 9, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D473/40
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Sulfonamides of the general formula I ##STR1## where R.sup.1 is hydrogen of C.sub.1 -C.sub.4 -alkyl, PA1 R.sup.2 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.6 -alkyl; C.sub.3 -C.sub.4 -alkenyl; C.sub.3 -C.sub.4 -alkynyl or substituted or unsubstituted saturated or singly unsaturated 5- to 7- membered heteroaryl; PA1 R.sup.3 and R.sup.4 are halogen; substituted or unsubstituted C.sub.1 -C.sub.4 -alkoxy C.sub.1 -C.sub.4 -alkylthio, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkenyloxy, C.sub.2 -C.sub.6 -alkenylthio, C.sub.2 -C.sub.6 -alkynyl, C.sub.2 -C.sub.6 -alkynyloxy, C.sub.2 -C.sub.6 -alkynylthio, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -cycloalkylthio, C.sub.5 -C.sub.6 -cycloalkenyl, C.sub.3 -C.sub.6 -cycloalkoxy, C.sub.5 -C.sub.6 -cycloalkenyloxy, C.sub.5 -C.sub.6 -cycloalkenylthio, phenyl, phenoxy, phenylthio, benzyl, benzyloxy or benzylthio; PA2 the group given for R.sup.2, or NR.sup.7 R.sup.8, where R.sup.7 and R.sup.8 are hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.5 -C.sub.6 -cycloalkenyl, substituted or unsubstituted phenyl and/or benzyl bedeuten, or is PA2 substitute…

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