摘要:
The present invention provides compounds which inhibit an envelope virus by inhibiting the fusion of the virus with the host cell. The virus may be inhibited in an infected cell, a cell susceptible of infection or a mammal in need thereof.
摘要:
The present invention provides novel HIV protease inhibitors of the formula
wherein: R is C₁-C₆ alkyl, cycloalkyl, heterocycle, unsaturated heterocycle, aryl, cycloalkyl(C₁-C₄)alkyl, heterocycle(C₁-C₄)alkyl, unsaturated heterocycle(C₁-C₄)alkyl, aryl(C₁-C₄)alkyl, or a structure having the formula -A-(CH₂) q -R⁰, where A is -O-, -NH- or -S-; q is 0, 1, 2 or 3; R⁰ is cycloalkyl, aryl, heterocycle or unsaturated heterocycle; X is
where: R¹ is aryl, cycloalkyl, heterocycle or unsaturated heterocycle; R² is hydrogen or C₁-C₄ alkyl; R³ is an amino acid side chain, -CH₂CH₃, -CH₂CH₂CH₃, -CH₂-(CH₂)₂CH₃, -C(CH₃)₃, cyano(C₁-C₄)alkyl, unsaturated heterocycle(C₁-C₄)alkyl, aryl(C₁-C₄)alkyl or a structure having the formula -(CH₂) s -A⁰-(CH₂) r -R⁴ or -CH₂-C(O)-NR²-(CH₂) r -R⁵, where s is 1, 2, 3 or 4; r is 0, 1, 2 or 3; A⁰ is -O-, -NH- or -S-; R⁴ is C₁-C₆ alkyl, cycloalkyl, aryl, heterocycle or unsaturated heterocycle; R⁵ is cycloalkyl, aryl, heterocycle or unsaturated heterocycle; j is 0, 1, 2, 3 or 4; k is 0 or 1; and Y is -O-, -N(R₂)- or -S-; or a pharmaceutically acceptable salt thereof.
摘要:
7-β-Acylamino-1-carba-(1-dethia)-3-trifluoromethyl-3-cephem-4-carboxylic acids and derivatives are provided as antibiotics. Pharmaceutical formulations comprising the antibiotics, intermediates, and a process for their preparation are also provided.