Patent · US Expired

1,4-dihydropyridine derivative with a guaiacoxypropanolamine and/or phenoxypropanolamine moiety

US6794399B2 · kind B2 · utility

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Inventor

Key dates

Filing dateApr 11, 2002
Grant dateSep 21, 2004
Priority date—
Expiry dateApr 11, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention disclosed some 1,4-dihydropiridine derivative chemically with guaiacoxypropanolamine based phenoxypropanolamine moiety and pharmacologically with &bgr;-adrenoceptor blocking and partial &bgr;2-agonist activities, is now emerging.The compound of 1,4-dihydropiridine derivative wherein has the formula I, wherein R selected from four group as follow R1 selected from X, H, NO2 saturated C1-C6 alkyl chain, unsaturated C6-C6 alkyl chain, R2 selected from H, CH3R3 and R4 are individually selected from saturated C1-C6 alkyl chain, unsaturated C1-C6 alkyl chain; R5 selected from OH, saturated C1-C6 alkyl chain, unsaturated C1-C6 alkyl chain.

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