Patent ID: 6686503
Filing Date: 2004-02-03
Classification: C07D,C40B

Abstract:
A compound selected from those of the formula: wherein: is a solid support; R1 is selected from the group consisting of a standard natural amino acid side chain, CH3, CFI(CH3)CH2CH3 and CH2Ph; R2 is selected from the group consisting of alkyl, aralkyl, phenyl and substituted phenyl; where the substituents on the substituted phenyl group are selected from lower alkyl, halo, alkoxy, nitrile, cyano, alkoxycarbonyl, aryloxycarbonyl, nitro, furyl and substituted furyl; where the substituents on the substituted furyl group are selected from alkyl, halo, alkoxy, alkoxycarbonyl, nitrile, aryloxycarbonyl, nitro, thienyl and substituted thienyl; where the substituents on the substituted thienyl group are selected from lower alkyl, halo, alkoxy, nitrile, alkoxycarbonyl, aryloxycarbonyl, naphthyl and substituted naphthyl; where the substituents on the substituted naphthyl group are selected from lower alkyl, halo, alkoxy, nitrile, alkoxycarbonyl and aryloxycarbonyl; and, R3 is selected from the group consisting of COOalkyl, CN, COloweralkyl, COaralkyl wherein said aralkyl is benzyl or substituted benzyl, and COaryl; where aryl is phenyl, substituted phenyl, thienyl, furyl or naphthyl.