Patent · US Expired

Tricylic amino-acid derivatives

US6162824A · kind A · utility

5Cited by
12References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 1999
Grant dateDec 19, 2000
Priority date
Expiry dateJul 30, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2603/18
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Described herein are compounds which have the general formula: ##STR1## or a prodrug or pharmaceutically acceptable salt, solvate or hydrate thereof wherein: PA0 R.sup.1 is selected from the group consisting of H, alkyl and the counter ion for a basic addition salt; PA0 X is selected from the group consisting of CR.sup.9 R.sup.10, S, O, SO, SO.sub.2, NH and N-alkyl; PA0 R.sup.2, R.sup.3, R.sup.4, R.sup.9 and R.sup.10 are independently selected from the group consisting of H and alkyl; PA0 R.sup.5 and R.sup.6 are independently selected from the group consisting of H, alkyl and phenyl, or, alternatively, R.sup.5 and R.sup.6 together may form a methylene group or a 3- to 6-membered a spirocyclic group; PA0 wherein, when X is CR.sup.9 R.sup.10, one or both pairs of R.sup.5 and R.sup.9 or R.sup.6 and R.sup.10 may join to form a double or triple bond PA0 R.sup.7 is selected from the group consisting of Formula II-V: ##STR2## which are all optionally substituted, at nodes other than R.sup.8, with 1-4 substituents independently selected from the group consisting of alkyl, halo, aryl (which may be substituted as for R.sup.8), trifluoromethyl, trifluoromethoxy, nitro, cyano, amino, mono-alky…

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