| abstract |
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. |