Patent · US Expired

Substituted 3-amino-sydnonimines, their use and pharmaceutical products containing them

US4845091A · kind A · utility

3Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 14, 1986
Grant dateJul 4, 1989
Priority date
Expiry dateJul 14, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D493/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Optically active substituted 3-aminosydnonimines of the general formula I ##STR1## and their pharmacologically acceptable acid addition salts, wherein R.sup.1 denotes, for example, the radical R.sup.3 (R.sup.4)N-, PA0 R.sup.2 denotes the radical 1-methoxyethyl (--CH(CH.sub.3)OCH.sub.3), acetoxy-phenyl-methyl (--CH(C.sub.6 H.sub.5)O--COCH.sub.3), 1-(ethoxycarbonyl)-ethoxy (--O--CH.sub.3)CO.sub.2 C.sub.2 H.sub.5), PA0 R.sup.3 denotes alkyl(C.sub.1 -C.sub.4) and PA0 R.sup.4 denotes for example alkyl(C.sub.1 -C.sub.4), possess valuable pharmaceutical properties.

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