Patent · US Expired

Lipoic acid analogs

US6090842A · kind A · utility

18Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1998
Grant dateJul 18, 2000
Priority date
Expiry dateMar 10, 2018

Classification

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

Abstract

A compound is provided having the formula I: ##STR1## wherein R.sup.1 and R.sup.2 independently denote a methylene, ethylene or unbranched or branched C.sub.3-16 alkylene, alkenylene or alkynylene group which is unsubstituted or substituted with one or more halogen, hydroxyl or amine groups, wherein in the unbranched or branched C.sub.3-16 alkylene, alkenylene or alkynylene group an internal alkylene carbon atom in the carbon backbone thereof can be replaced by an oxygen atom, PA0 R.sup.3 and R.sup.4 PA1 (i) independently denote PA2 (a) hydrogen, PA2 (b) a methyl, ethyl, vinyl or unbranched or branched C.sub.3-16 alkyl, alkenyl or alkynyl group which is unsubstituted or substituted with one or more halogen, hydroxyl or amine groups, wherein in said unbranched or branched C.sub.3-16 alkyl, alkenyl or alkynyl group an internal alkylene carbon atom in the carbon backbone thereof can be replaced by an oxygen atom, PA2 (c) a cycloalkyl, alkylcycloalkyl, alkenylcycloalkyl or alkynylcycloalkyl group having 5 to 16 carbon atoms which is unsubstituted or substituted with one or more halogen, hydroxyl or amine groups, or PA2 (d) an aryl, alkaryl, aralkyl, alkenylaryl, aralkenyl, alkynylaryl …

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