Patent · US Expired

Amino acid derivatives

US6166072A · kind A · utility

8Cited by
1References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 1999
Grant dateDec 26, 2000
Priority date
Expiry dateJun 29, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C323/60
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Described herein are compounds having the general formula: ##STR1## wherein: Ar.sup.1 and Ar.sup.2 are independently selected aryl groups, optionally substituted with substituents selected from the group consisting of alkyl, cycloalkyl, alkoxy, alkanoyl, aralkyl, aralkyloxy, halo, NO.sub.2, Ph, CF.sub.3, CN, OH, methylenedioxy, ethylenedioxy, SO.sub.2 NRR', NRR', CO.sub.2 R (where R and R' are independently selected from the group consisting of H and alkyl) and a second aryl group, which may be substituted as above; wherein any cycloalkyl or aryl substituent is linked to Ar.sup.1 or Ar.sup.2 by a bridging element which may be a single bond, a vinylene group, an ethynylene group, a Z group, a --Z--(CH.sub.2).sub.n -- group, a --(CH.sub.2).sub.n --Z-- group, or a --Z--(CH.sub.2).sub.n --Z-- group, where Z represents an O atom, a S atom, an NH group or an N-alkyl group, and n is an integer from 1 to 4; wherein Ar.sup.1 and Ar.sup.2 may be attached to the central atom to which they are connected by a single bond, an alkylene, alkenylene or alkynylene group; wherein Ar.sup.1 and Ar.sup.2 may be attached to the central atom to which they are connected by a single bond, an alkylene, alken…

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