Patent · US Expired

New vanadium complexes

US5278154A · kind A · utility

31Cited by
0References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 31, 1992
Grant dateJan 11, 1994
Priority date
Expiry dateDec 31, 2012

Classification

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

Abstract

Compounds of formula (I): ##STR1## in which: R.sub.1 or R.sub.4, which are identical or different, represent hydrogen or alkyl, PA1 R.sub.2 represents hydrogenm or alkyl, hydroxymethyl, --CH.sub.2 OPO(OH).sub.2 or --CH.sub.2 OPO(ONa).sub.2, PA1 R.sub.3 represents hydrogen, alkyl or hydroxyl or any one of the following groups: ##STR2## in which: T represents oxygen or sulfur, PA2 n represents an integer between 1 and 4, PA2 R.sub.5 represents hydrogen or alkyl, PA1 X represents nitrogen, CH or CR'.sub.3 (in which R'.sub.3 has the same meaning as R.sub.3 except in the case where R.sub.3 represents hydroxyl), PA1 A represents alkylene of formula --(CH.sub.2).sub.p --in which p represents an integer between 2 and 4, optionally substituted by one or more linear or branched (C.sub.1 -C.sub.4) alkyl, or any one of the following radicals: ##STR3## Y and Z together form oxygen or simultaneously represent two hydroxyl and in this case, the compound of formula (I) is positively charged, their isomers as well as their addition salts with a pharmaceutically acceptable acid or base. Medicinal products.

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