| abstract |
1. A proline analog compound of the formula: <EMI FILE = "99050714_1" ID = "1" IMF = JPEG> in which R21A is C1-6 alkyl C1-6 alkoxy; C1-6 thioalkyl; halo; amino optionally monosubstituted with C1-6 alkyl; C6, C10 aryl, C7-16 arylalkyl or Het, said aryl, arylalkyl or Het being optionally substituted with R22 wherein R22 is C1-6 alkyl, C1-6 alkoxy, amido, (C1-6 alkyl) amido or optionally mono amino -o di-substituted with C1-6 alkyl, or Het; used for the synthesis of 1 a compound analogous to a serine protease inhibitor peptide, 2) a compound analogous to an HCV NS3 protease inhibitor peptide, or 3) a peptide analog compound of formula I: <EMI FILE = "99050714_2" ID = "2" MFI = JPEG> |