Patent · US Expired

Substituted propane-phosphonous acid compounds

US5004826A · kind A · utility

19Cited by
9References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 1989
Grant dateApr 2, 1991
Priority date
Expiry dateDec 1, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The compounds of the formula ##STR1## in which one of the groups R.sup.1, R.sup.2 and R.sup.3 represents hydrogen, C.sub.1-8 -alkyl, C.sub.3-6 -cycloalkyl, phenyl optionally substituted by halogeno, C.sub. 1-4 -alkyl, C.sub. -4 -alkoxy and/or trifluoromethyl, or C.sub.7-10 -phenylalkyl optionally substituted in the phenyl moiety by halogeno, C.sub.1-4 -alkyl C.sub.1-4 -alkoxy and/or trifluormethyl, and the other two are hydrogen, or salts thereof. These compounds have valuable pharmaceutical properties.

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