Cyclopentane and cyclopentene derivatives having anti-allergic, anti-inflammatory and tumor necrosis factor inhibitory activity

摘要

Compounds illustrated by general formula (I) useful as PDE IV inhibitors and for inhibiting the production of Tumor Necrosis Factor (TNF) are disclosed herein. In formula (I) R1 is C1-12 alkyl unsubstituted or substituted by 1 or more halogens; C3-6 cyclic alkyl unsubstituted or substituted by 1 to 3 methyl groups or one ethyl group; C4-6 cycloalkyl containing one or two unsaturated bonds; C7-11 polycycloalkyl, -(CR14R14)nC(O)-O-(CR14R14)m-R10, -(CR14R14)nC(O)-O-(CR14R14)r-R11, -(CR14R14)xOH, -(CR14R14)sO(CR14R14)m-R10, -(CR14R14)sO(CR14R14)r-R11, -(CR14R14)n-(C(O)NR14)-(CR14R14)m-R10, -(CR14R14)n-(C(O)NR14)-(CR14R14)r-R11, -(CR14R14)y-R11 or -(CR14R14)z-R10; X2 is O or NR14; X3 is hydrogen or X; X is YR2, halogen, nitro, NR14R14 or formamide; Y is O or S(O)m; R2 is -CH3 or -CH2CH3, each may be unsubstituted or substituted by 1 to 5 fluorines; A is (a), (b), (c), (d) or (e); B is C=Z or C=S.