Patent · US Expired

Bispidine derivatives as class III antiarrhythmic agents

US4959373A · kind A · utility

5Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 22, 1988
Grant dateSep 25, 1990
Priority date
Expiry dateSep 22, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P9/06
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Bispidine derivatives of the formula I ##STR1## where R, R.sup.1 and R.sup.3 are identical or different and are each H, C.sub.1 -C.sub.4 -alkyl, halogen or C.sub.1 -C.sub.4 -alkoxy, when Y is ##STR2## R.sup.2 is C.sub.1 -C.sub.4 -alkyl, halogen, --CN, C.sub.1 -C.sub.4 -alkoxy, --NHSO.sub.2 CH.sub.3, --CF.sub.3, NH-acetyl or --NR.sup.4 R.sup.5 where R.sup.4 and R.sup.5 are each C.sub.1 -C.sub.4 -alkyl, when Y is ##STR3## R.sup.2 is C.sub.1 -C.sub.4 -alkyl, halogen, --CN.sub.1 C.sub.1 -C.sub.4 -alkoxy, --NHSO.sub.2 CH.sub.3, --CF.sub.3, NH-acetyl or --NR.sup.9 R.sup.10 where R.sup.9 is C.sub.1 -C.sub.4 -alkyl and R.sup.10 is H or C.sub.1 -C.sub.4 -alkyl, and when X is not CH.sub.2 R.sub.2 may also be NO.sub.2 or NH.sub.2, X is --CH.sub.2 --, --C(O)-- or --C(R.sup.6)OR.sup.7 -- (where R.sup.6 is H or C.sub.1 -C.sub.4 -alkyl and R.sup.7 is H, C.sub.1 -C.sub.4 -alkyl or ##STR4## where R.sup.8 is H, C.sub.1 -C.sub.4 -alkyl, halogen or C.sub.1 -C.sub.4 -alkoxy), Y is --C(O) or --CONH-- and Z is C.sub.1 -C.sub.4 -alkylene which may be olefinically unsaturated and/or branched, and their physiologically tolerated salts, and drugs containing these compounds as active compounds are described.

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