Patent · US Expired

Amino acid derivatives and their therapeutical applications

US5491169A · kind A · utility

11Cited by
0References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 1994
Grant dateFeb 13, 1996
Priority date
Expiry dateSep 26, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2601/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds having the properties of morphinic substances, particularly anasia, with beneficial effects on behaviour and with peripheral effects without their major drawbacks (tolerence, addiction), the blood-brain barrier and having the following formula : EQU H.sub.2 N--CH(R.sub.1)--CH(R.sub.2)--S--S--CH(R.sub.3)--CH(R.sub.4)--A--B--Z wherein: AB preferably represents a CO amide bond, R.sub.2 et R.sub.3 preferably represent a hydrogen atom, R.sub.1 et R.sub.4 preferably represent, independently of each other, a benzyl grouping, --CH.sub.2 CH.sub.2 SCH.sub.3, --CH.sub.2 --CH.sub.2 --S(O)--CH.sub.3 or --CH.sub.2 --CH(CH.sub.3) .sub.2, Z may represent a --CH(R.sub.5)[CH(R.sub.6)].sub.n --COO(R.sub.7) grouping wherein: R.sub.5 may represent a hydrogen atom, a methyl grouping, a benzyl grouping or a phenyl grouping, R.sub.6 may represent a hydrogen atom and may also form a hydrocarbon cycle with R.sub.5, or Z may represent a heterocyclic grouping, and preferably a morpholinyl grouping. No drawings.

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