Abstract: Methods are provided for identifying anti-HIV therapeutic compounds substituted with carboxyl ester or phosphonate ester groups. Libraries of such compounds are screened optionally using the novel enzyme GS-7340 Ester Hydrolase. Compositions and methods relating to GS-7340 Ester Hydrolase also are provided.

Abstract: The invention is related to phosphorus substituted anti-cancer compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: The present invention relates to pharmaceutical compositions for the treatment or prevention of viral infections comprising as an active principle at least one imidazo[4,5-c]pyrimidine having the general formula (A): wherein the substituents are described in the specification. The invention also relates to processes for the preparation of compounds according to the invention having above mentioned general formula, their pharmaceutically acceptable formulations and their use as a medicine or to treat or prevent viral infections.

Abstract: Compounds and compositions of Formula I are described, useful as anti-proliferative agents, and in particular anti-HPV, wherein: Y1A and Y1B are independently Y1; RX1 is RX; RX2 is alkenyl of 2 to 18 carbon atoms or alkynyl of 2 to 18 carbon atoms; Y1 is ?O, —O(RX), ?S, —N(RX), —N(O)(RX), —N(ORX), —N(O)(ORX), or —N(N(RX)(RX)); RX is independently R1, R2, R4, W3, or a protecting group; R1 is independently —H or alkyl of 1 to 18 carbon atoms; R2 is independently R3 or R4 wherein each R4 is independently substituted with 0 to 3 R3 groups or taken together at a carbon atom, two R2 groups form a ring of 3 to 8 carbons and the ring may be substituted with 0 to 3 R3 groups; R3 is R3a, R3b, R3c or R3d, provided that when R3 is bound to a heteroatom, then R3 is R3c or R3d; R3a is —H, —F, —Cl, —Br, —I, —CF3, —CN, N3, —NO2, or —OR4; R3b is ?O, —O(R4), ?S, —N(R4), —N(O)(R4), —N(OR4), —N(O)(OR4), or —N(N(R4)(R4)); R3c is —R4, —N(R4)(R4), —SR4, —S(O)R4, —S(O)2R4, —S(O)(OR4), —S(O)2(OR4), —OC(R3b)R4,

Abstract: Pyrimidine I and pyrimidinone II phosphonate compounds and methods for viral inhibition are disclosed. The compounds include at least one phosphonate group covalently attached at any site.

Abstract: The invention is related to phosphorus substituted nucleoside compounds and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: Methods are provided for identifying anti-HIV therapeutic compounds substituted with carboxyl ester or phosphonate ester groups. Libraries of such compounds are screened optionally using the novel enzyme GS-7340 Ester Hydrolase. Compositions and methods relating to GS-7340 Ester Hydrolase also are provided.

Abstract: The present invention relates to pharmaceutical compositions for the treatment or prevention of viral infections comprising as an active principle at least one imidazo[4,5-c]pyridine prodrug having the general formula (A): wherein the substituents are described in the specification. The invention also relates to processes for the preparation and screening of compounds according to the invention having above mentioned general formula and their use in the treatment or prophylaxis of viral infections.

Abstract: Compounds and compositions of Formula I are described, useful as anti-proliferative agents, and in particular anti-HPV, wherein: Y1A and Y1B are independently Y1; RX1 and RX2 are independently RX; Y1 is ?O, —O(RX), ?S, —N(RX), —N(O)(RX), —N(ORX), —N(O)(ORX), or —N(N(RX)(RX)); RX is independently R1, R2, R4, W3, or a protecting group; R1 is independently —H or alkyl of 1 to 18 carbon atoms; R2 is independently R3 or R4 wherein each R4 is independently substituted with 0 to 3 R3 groups or taken together at a carbon atom, two R2 groups form a ring of 3 to 8 carbons and the ring may be substituted with 0 to 3 R3 groups; R3 is R3a, R3b, R3c or R3d, provided that when R3 is bound to a heteroatom, then R3 is R3c or R3d; R3a is —H, —F, —Cl, —Br, —I, —CF3, —CN, N3, —NO2, or —OR4; R3b is ?O, —O(R4), ?S, —N(R4), —N(O)(R4), —N(OR4), —N(O)(OR4), or —N(N(R4)(R4)); R3c is —R4, —N(R4)(R4), —SR4, —S(O)R4, —S(O)2R4, —S(O)(OR4), —S(O)2(OR4), —OC(R3b)R4, —OC(R3b)OR4, —OC(R3b)(N(R4)(R4)), —SC(R3b)R4, —SC(R3b)OR4,

Abstract: The application relates to 4?-substituted nucleoside derivatives of Formula I: wherein B and R1 have any of the values described in the application, as well as to compositions comprising such compounds, to methods and intermediates useful for preparing such compounds, and to therapeutic methods comprising administering such compounds to animals in need thereof.

Abstract: The invention is related to phosphorus substituted compounds with antiviral activity, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: Phosphonate substituted compounds with HIV protease inhibitory properties having use as therapeutics and for other industrial purposes are disclosed. The compositions inhibit HIV protease activity and/or are useful therapeutically for the treatment of AIDS and other antiviral infections, as well as in assays for the detection of HIV protease.

Abstract: Phosphorus-substituted imidazole compounds with anti-HIV properties having use as therapeutics and for other industrial purposes are disclosed. The compositions inhibit reverse transcriptase activity and are useful therapeutically for the inhibition of such enzymes, as well as in assays for the detection of such enzymes.

Abstract: Aza-quinolinol phosphonate compounds and methods for inhibition of HIV-integrase are disclosed. Ar is aryl or heteroaryl connecting R6 to L. L is a bond or a linker connecting a ring atom of Ar to N. The ring atoms, X1-X5 may be N, substituted nitrogen, or substituted carbon, and form rings. The compounds include at least one phosphonate group covalently attached at any site.