Patent · US Expired

Dihydropyridinelactols and their use as medicaments which influence blood sugar

US4721719A · kind A · utility

1Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 1986
Grant dateJan 26, 1988
Priority date
Expiry dateAug 27, 2006

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P3/10
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Reducing blood sugar with the novel dihydropyridinelactols, or salts thereof, of the formula ##STR1## in which R.sup.1 represents a phenyl, naphthyl, thienyl, pyridyl, chromonyl, thiochromonyl or thiochromenyl radical, the stated radicals optionally containing 1 or 2 identical or different substituents from the group consisting of fluorine, chlorine and bromine, alkyl, alkoxy and alkylthio, each having 1 to 6 carbon atoms, and fluoroalkyl or fluoroalkoxy, each having up to 3 carbon atoms and 3 fluorine atoms, and nitro and cyano, PA0 R.sup.2 represents a straight-chain, branched or cyclic alkyl having up to 12 carbon atoms which is optionally interrupted by 1 or 2 oxygen or sulphur atoms and which is optionally substituted by fluorine, chlorine, phenyl, cyano, hydroxyl, amino, C.sub.1 -C.sub.3 -alkylamino, di-C.sub.1 -C.sub.3 -alkylamino or N-benzylmethylamino, PA0 R.sup.3 represents cyano or straight-chain or branched alkyl which has up to 4 carbon atoms and is optionally interrupted in the chain by N-C.sub.1 -C.sub.3 -alkyl and/or oxygen, and PA0 R.sup.4 represents straight-chain, branched or cyclic alkyl which has up to 6 carbon atoms and is optionally interrupted by 1 or 2 oxyg…

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