Abstract: Nucleotide analogs characterized by the presence of an amidate linked amino acid or an ester linked group which is bonded to the phosphorus atom of phosphonate nucleotide analogs are disclosed. The analogs comprise a phosphoamidate or ester bond that is hydrolyzed in vivo to yield a corresponding phosphonate nucleotide analog. Methods and intermediates for their synthesis and use are described.

Abstract: Compounds of Formulae I-XVI, stereoisomers, and pharmaceutically acceptable salts or prodrugs thereof, their preparation, and their uses for the treatment of viral diseases including hepatitis C viral infection, cancer, diabetes, and other diseases are described: formula (I).

Abstract: Quinazoline derivatives of formula (I) wherein A is 5-membered heteroaryl containing a nitrogen atom and one or two further nitrogen atoms; compositions containing them, processes for their preparation and their use in therapy.

Abstract: The present invention relates to PMEA lipid conjugates and to methods of using the conjugates to treat diseases caused by viruses such as herpes, cytomegalovirus, varicella, paramyxovirus, polyoma virus, and human papillomavirus. Methods for making the PMEA lipid conjugates are also provided.

Abstract: This invention is directed to selective antagonists of A2A and/or A2B adenosine receptors having the general formula (I); to processes for their preparation; to pharmaceutical compositions comprising them; and to their use in therapy.

Abstract: Provided are cyclobutyl nucleosides and methods for their use in treatment of infections including Retroviridae (including HIV), Hepadnaviridae (including HBV), or Flaviviridae (including BVDV and HCV) infection, or conditions related to abnormal cellular proliferation, in a host, including animals, and especially humans.

Abstract: The invention encompasses a series of bicyclic heterocyclic compounds of Formula I which are inhibitors of HIV integrase and prevent viral integration into human DNA. This action makes the compounds useful for treating HIV infection and AIDS. The invention also encompasses pharmaceutical compositions and methods for treating those infected with HIV.

Abstract: The present invention provides a novel process for the preparation of acyclic phosphonate nucleotide analogs using novel intermediates. Thus, for example, (R)-9-(2-phosphonomethoxypropyl)adenine is reacted with dimethylformamide dimethylacetal to give N4-dimethylaminomethyledino-9-(2-phosphonomethoxy ethyl) adenine, which is then reacted with chloromethyl-2-propyl carbonate in presence of triethylamine to give (R)—N4-Dimethylaminomethyledino-9-(2-phosphono methoxypropyl) adenine disoproxil, followed by deprotection with acetic acid to get tenofovir disoproxil. Tenofovir disoproxil is then treated with fumaric acid to give tenofovir disoproxil fumarate.

Abstract: Disclosed is a sugar and/or a sugar alcohol as a substance for suppressing dephosphorylation reaction of a phosphorylated coenzyme. Also disclosed is a method for stabilizing a phosphorylated coenzyme which is characterized by having at least a substance for suppressing dephosphorylation reaction of the phosphorylated coenzyme coexist with the phosphorylated coenzyme.

Abstract: The present application describes deuterium-enriched tenofovir, pharmaceutically acceptable salt forms thereof, and methods of treating using the same.

Abstract: Provided herein are compounds, compositions and methods for the treatment of liver disorder, including HCV and/or HBV infections. Specifically, compound and compositions of nucleoside derivatives are disclosed, which can be administered either alone or in combination with other anti-viral agents.

Abstract: A phosphorus-acid-group-containing (meth)acrylamide polymer having high electrolytic group density and excellent conductivity is obtained by introducing a phosphorus acid group into a (meth)acrylamide monomer which may be N-substituted, and polymerizing the resultant monomer. This polymer is usable for conductive resins, proton-conductive polymer electrolyte membranes and coating agents.

Abstract: The present invention relates to compounds that inhibit phosphatases, compositions thereof, and methods of using those compounds and compositions for treating diseases.

Abstract: This invention generally relates to pyrazolo pyrimidine derivatives useful as inhibitors of short chain dehydrogenase/reductase (SDR) family of NAD(P)(H) dependent oxido-reductases. The invention further relates to pharmaceutical compositions and methods of preventing or treating disease with 1H-Pyrrolo[2.3-d]pyrimidine derivatives. More specifically, the invention relates to a 1H-Pyrrolo[2.

Abstract: Novel deazapurines are disclosed which are useful for the treatment of adenosine receptor stimulated diseases.

Abstract: This invention relates to the fields of organic chemistry, pharmaceutical chemistry, biochemistry, molecular biology and medicine. In particular it relates to compounds that activate RNaseL, and to the use of the compounds for treating and/or ameliorating a disease or a condition, such as a viral infection.

Abstract: A new crystal form of adefovir dipivoxil {9-[2-[bis(pivaloyloxy)-methoxy]-phosphinyl]-methoxyl]-ethyl]-adenime} and its composition is disclosed, as is a method to prepare the crystal comprising placing adefovir dipivoxil in a round bottom flask, adding organic solvent and dissolivng adefovir dipivoxil ultrasonically to form and adefovir dipivoxil solution, and spray drying the adefovir dipivoxil solution.

Abstract: Quinazoline derivatives of formula (I) wherein A is 5-membered heteroaryl containing a sulphur atom and optionally containing one or more nitrogen atoms; compositions containing them, processes for their preparation and their use in therapy.

Abstract: Compounds represented by the formula: A is (CH2)nR2, —CH?CH2, CH2—CH?CH2, O(CH2)nR2, CH(OH)CH3, CH(OH)CH2OH, CH2—CH(OH)CH3, CH2CH(OH)CH2OH, or CH(OH)CH(OH)CH3, R,R1 individually is H, NH2OH, Cl, Br, I, aryl, substituted aryl, heterocycle, NR3R4, OR3 or SR3, R2 is H, OH, F, N3, NH2, CO2H, SH, alkyl, substituted alkyl, S-alkyl, O-acyl, CONH2, or CONH-alkyl, n is 1-3, y is O, S or NH, W is O or S, Z, Z? individually is OR3, OR4, O(CH2)m—O—(CH2)xCH3, NH—CH(alkyl)CO2R3, alkyl, substituted alkyl, OCH2CH2S—C(O)CH3, OCH2CH2S—C(O)CH(CH3)2, OCH2CH2S—C(O)C(CH3)3, OCH2CH2—SC(O)aryl, OCH2CH2—S—S—OCH2CH2OH, OCH2OC(O)C(CH3)3, OCH2—O—C(O)OCH(CH3)2, or OCH2—O—C(O)CH(CH3)2 R3, R4 individually is H, alkyl, substituted alkyl, aryl, or substituted aryl; Both R3 and R4 can form a monocyclic ring of 4-7 atoms with N or optionally a further heteroatom in the ring; m is 1-3, x is 0-19; and pharmaceutically acceptable salts thereof and prodrugs thereof are provided.

Abstract: Provided are an anthracene derivative having a heteroaryl group containing a nitrogen-containing six-membered ring and having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer contains the anthracene derivative described above in the form of a single component or a mixed component. Provided are the organic electroluminescence device in which homogeneous light emission is obtained over a long period of time and which has a long lifetime and the anthracene derivative which materializes the same.

Abstract: A hydroxyalkylated heterocyclic base is prepared by reacting a heterocyclic base with an alkylene carbonate in dimethylacetamide as a solvent, wherein the hydroxyalkylated heterocyclic base is isolated from the solvent using isopropanol or tert-butylmethylether.

Abstract: The use of adenosine-5?-triphosphate-2?,3?-dialdehyde (oATP) as a medicament useful for the treatment of inflammatory conditions is disclosed.

Abstract: The invention relates to certain oxypurine nucleosides, congeners of such oxypurine nucleosides, and acyl derivatives thereof, and compositions which contain at least one of these compounds. The invention also relates to methods of treating or preventing hematopoietic disorders and modifying hematopoiesis, and treating or preventing inflammatory diseases and bacterial infections by administering a compound or composition of the present invention to an animal.

Abstract: The invention relates to a new process useful in the preparation of pharmaceutical compounds such as 2-{ethyl[3-({4-[(5-{2-[(3-fluorophenyl)amino]-2-oxoethyl}-1H-pyrazol-3-yl)amino]quinazolin-7-yl}oxy)propyl]amino}ethyl dihydrogen phosphate (AZD1152) and intermediates used therein.

Abstract: The present invention discloses novel steroid mimics wherein a tri- or tetravalent phosphorous atom is isosterically substituted at any one of the seventeen positions occupied by the carbon atom in the steroidal skeleton, and wherein each adjacent position to the phosphorous is either unsubstituted or optionally substituted by nitrogen or an oxygen atom to satisfy the valency of said phosphorous atom. The invention is illustrated schematically below using both aromatic and non-aromatic steroids. Although the isosteric substitution phosphorous atom in the above structures 3–7 is indicated at 13, 14, and 17 positions, it is to be noted that the phosphorous can be substituted at any one of the seventeen positions in non-aromatic or eleven positions in aromatic steroids. The phosphorous atom may be trivalent or tetravalent, and may be radioactive or non-radioactive. The adjacent atoms, X, Y, or Z may be carbon, oxygen, or nitrogen.

Abstract: The invention relates to compounds of the formula 1 or a pharmaceutically acceptable salt, prodrug or hydrates thereof, wherein Q, A, L, R1, R2 and R3 are as defined herein. The invention also relates to pharmaceutical compositions containing the compounds of formula 1 and to methods of treating hyperproliferative disorders in a mammal by administering the compounds of formula 1.

Abstract: The present invention provides a phosphonic acid diester compound represented by General Formula wherein R1, R2, R3 and R4 are the same or different, and represent hydrogen, halogen, lower alkyl or lower alkoxy; R5 is phenyl having on the phenyl ring 1–3 substituents selected from the group consisting of lower alkyl, halogen-substituted lower alkyl, lower alkoxy, halogen-substituted lower alkoxy, phenoxy, benzyloxy, hydroxyl, halogen, nitro, lower alkylthio, di(lower alkyl)amino, lower alkanolyamino, pyrrolidinyl and phenyl, or the like, provided that R5 is not mono(lower alkoxy)pheny; and R6 is lower alkyl; and an ACAT-1 inhibitor containing the compound as an active ingredient.

Abstract: The present invention provides novel 2,2-bis(4-hydroxyphenyl)-alkyl onium salts as illustrated by 2,2-bis(4-hydroxyphenyl)-tridecyl(1,2-dimethylimidazolium)bromide and a process for preparation thereof by hydroxyalkylating acetoacetate to the corresponding hyroxyalkylacetoacetate, dealkoxycarbonylating the hydroxyalkyl acetoacetate to ?-hydroxyalkan-2-one and contacting the ?-hydroxyalkan-2-one with phenol in the presence of an acidic catalyst to give 2,2-bis(4-hydroxyphenyl)alkanol, brominating the 2,2-bis(4-hydroxyphenyl)alkanol to 2,2-bis(4-hydroxyphenyl)alkyl bromide, quaternizing 1,2-dimethylimidazole with the 2,2-bis(4-hydroxyphenyl)alkyl bromide to 2,2-bis(4-hydroxyphenyl)alkyl(1,2-dimethylimidazolium)bromide. The products can be used as reactive modifiers for layered phyllosilicates that can be used in the preparation of polymer-nanocomposites, wherein the said polymers are prepared from 2,2-bis(4-hydroxyphenyl)propane as one of the reacting monomers.

Abstract: The invention relates to compounds of the following formula (I) or their salts: in which R1 represents OR4 or others, in which R4 is an alkyl group having 1-8 carbon atoms which may have a substituent or the like; R2 is halogen, nitro, cyano, carboxyl, or the like; R3 is hydrogen, halogen, hydroxyl, amino, carboxyl, or the like; X is NR11, oxygen, or sulfur, in which R11 is hydrogen, or an alkyl group having 1-8 carbon atom which may have a substituent; and each of Y and Z is CR12 or nitrogen, in which R12 has the same meaning as R3 above, and a xanthine oxidase inhibitor containing the compound as an active ingredient.

Abstract: The present invention provides novel adenosine receptor antagonists, more particularly, A1 adenosine receptor antagonists of formula (I). Pharmaceutical compositions comprising an A1 adenosine receptor antagonist of formula (I) and a pharmaceutically acceptable carrier are further provided. Compositions also include diagnostic assay-type probes comprising a novel A1 adenosine receptor antagonist of formula (I) that is labeled or conjugated with radioactive or non-radioactive material. Methods for treating A1 adenosine receptor related disorders comprising administering an A1 adenosine receptor antagonist of formula (I) are also disclosed. The novel A1 adenosine receptor antagonist compositions of formula (I) find further use in diagnostic and imaging methods. wherein R3 is Alk14ArR16, and wherein Alk14 is C1-8 straight or branched alkylene or alkenylene.

Abstract: Compounds of the following formula are disclosed: wherein RB is a substituted or unsubstituted aryl or heteroaryl moiety; at least one of RU and RL is a phosphorus-containing moiety, J, and the other of RU and RL is independently chosen from H; halogen; —CN; —NO2; -J; —SO2R; —SO2NRR?; or —ZRJ, wherein each occurrence of Z is independently —O—, —S— or —NR— and each occurrence of RJ is independently —R, —COR, —COOR or —CONRR?.

Abstract: The present invention relates to therapeutically active and selective inhibitors of the enzyme DPP-IV, which are of formula I wherein each n is one or two independently and R1, R2, R3, R6, R7, R9, and R10 are defined herein. The present invention also relates to pharmaceutical compositions comprising the compounds of formula I and the use of the compounds for treating diseases that are associated with proteins that are subject to inactivation by DPP-IV, such as type-2 diabetes and obesity.

Abstract: This invention relates to diaminopyrroloquinazoline compounds which are useful for inhibiting protein tyrosine phosphatases, particularly PTP1B, and are useful for lowering blood glucose concentrations in mammals.

Abstract: Selective antagonists of A2A adenosine receptors like those of formula I are provided, wherein Y forms a ring. The novel A2A blockers are useful for the treatment of Parkinsons disease and other diseases.

Abstract: Prodrugs of Formula I, their uses, their intermediates, and their method of manufacture are described: wherein: M and V are cis to one another and MPO3H2 is a phosphonic acid selected from the group consisting of 9-(2-phosphonylmethoxyethyl)adenine, (R)-9-(2-phosphonylmethoxy propyl)adenine, 9-(2-phosphonylmethoxyethyl)guanine, 9-(2-phosphonylmethoxy ethyloxy)adenine, 9-(2-phosphonylmethoxyethyl)-2,6-diaminopurine, (S)-1-(3-hydroxy-2-phosphonylmethoxypropyl)cytosine, (S)-9-(3-hydroxy-2-phosphonylmethoxypropyl)adenine, 9-(3-hydroxy-2-phosphonylmethoxypropyl)guanine, and (S)-9-(3-fluoro-2-phosphonyl methoxypropyl)adenine; V is selected from a group consisting of phenyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-furanyl, 3-furanyl, 2-thienyl, and 3-thienyl, all optionally substituted with 1-3 substituents selected from a group consisting of F, Cl, Br, C1-C3 alkyl, CF3 and OR6; R6 is selected from the group consisting of C1-C3 alkyl, and CF3; and pharmaceutically acceptable salts thereof.

Abstract: Novel cyclic phosphoramidate prodrugs of drugs of formula I in their use in delivery of drugs to the liver, their use in enhancing oral bioavailability, and their method of preparation are described.

Abstract: The method of preparing compounds of Formula I is described: wherein: M and V are cis to one another and MPO3H2 is a phosphonic acid selected from the group consisting of 9-(2-phosphonylmethoxyethyl)adenine, and (R)-9-(2-phosphonylmethoxypropyl)adenine; wherein V is phenyl, optionally substituted with 1–2 substituents selected from a group consisting of fluoro, chloro, and bromo; comprising: coupling a chiral 1-phenylpropane-1,3-diol, wherein the phenyl may be optionally substituted, with MPOCl2 or an N-6 substituted analogue thereof. Additionally, methods and salt forms are described that enable isolation and purification of the desired isomer.

Abstract: Compounds which are active against viruses have the following Formulas: wherein B is 2-aminopurine-9-yl, which may be unsubstituted or substituted in the 6 position with NHR1, OR2, or SR3; R1 is selected from the group consisting of alkyl, alkenyl, alkynyl, and C4-18 cycloalkyl, any of which may be optionally substituted with one or more members of the group consisting of hydroxy, halo, amino, acyl, cycloalkyl, heterocyclyl and aryl; R2 is selected from the group consisting of C2-18 alkyl, alkenyl, alkynyl, and cycloalkyl, any of which may be branched or unbranched and optionally substituted with one or more members of the group consisting of hydroxy, halo, amino, acyl, cycloalkyl, heterocyclyl, and aryl; and R3 is selected from the group consisting of alkyl, alkenyl, alkynyl, and cycloalkyl, any of which may be branched or unbranched and optionally substituted with one or more members of the group consisting of hydroxy, halo, amino, acyl, cycloalkyl, heterocyclyl and aryl.

Abstract: The invention features linker molecules that have at one terminus a amino-protecting group and at the other terminus a phosphorous activating group, typically phosphoramidite. The linker molecules can be used, for example, to produce amino-modified linkers that space an oligonucleotide from a solid support. The invention also features an amino-protected nucleotide that includes an activated phosphorous group such as a phosphoramidite for the production of a 5? amino-modified oligonucleotide. The invention further provides a phthalimido-modified support that can be used to synthesize a polynucleotide that includes an amino group at the 3? terminus.

Abstract: The present invention relates to a nucleoside phosphonate derivative represented by formula (1): pharmaceutically acceptable salts, and stereoisomers. This nucleoside phosphonate derivative is useful as an antiviral agent, particularly, against hepatitis B virus. Also disclosed are processes for the preparation of the nucleoside phosphonate derivative. Also disclosed are methods treating hepatitis B by administering a nucleoside phosphonate derivative of formula (1).

Abstract: This invention relates to compounds of the general formula: in which RA, RB, RC and RD are as defined herein, and to their preparation and use.

Abstract: A method of treating viral infections, and in particular HIV-1, hepatitis B virus, and herpesviruses, is disclosed. The method comprises administering to a subject in need of such treatment an infection-combating amount of a phospholipid or phospholipid derivative.

Abstract: Compounds are described and claimed comprising general formula: The compounds have substituents as described herein and are useful, e.g., for their ability to bind nucleic acids and thereby effect purifications, probing techniques and gene inhibition.

Abstract: This invention relates to compounds of the general formula: in which RA, RB, RC and RD are as defined herein, and to their preparation and use. In these compounds, RB is an aliphatic, heteroaliphatic, aryl, or heteroaryl moiety which comprises one or more phosphorus-containing moieties.

Abstract: The present invention relates to phosphoramidate, and phosphate esters of (1R,cis)-4-(6-amino-9H-purin-9-yl)-2-cyclopentene-1nethanol, processes for their preparation, and their use in treating viral infections.

Abstract: This invention features conjugates, compositions, methods of synthesis, and applications thereof, including folate derived conjugates of nucleosides, nucleotides, non-nucleosides, and nucleic acids including enzymatic nucleic acids and antisense nucleic acid molecules.

Abstract: A compound of formula (I) or a salt, ester or amide thereof; where X is O, or S, S(O) or S(O)2 or NR10 where R10 is hydrogen or C1-6 alkyl, and R1, R2, R3, R4, R5, R6, R7, R8 and R9 are various specified organic groups. These compounds are inhibitors of aurora 2 kinase, and are useful in the treatment of cancer.

Abstract: The present invention provides novel nucleoside and nucleotide derivatives that are useful agonists or antagonists of P1 or P2 receptors. For example, the present invention provides a compound of formula A-M, wherein A is modified adenine or uracil and M is a constrained cycloalkyl group. The adenine or uracil is bonded to the constrained cycloakyl group. The compounds of the present invention are useful in the treatment or prevention of various diseases including airway diseases (through A2B, A3, P2Y2 receptors), cancer (through A3, P2 receptors), cardiac arrhythmias (through A1 receptors), cardiac ischemia (through A1, A3 receptors), epilepsy (through A1, P2X receptors), and Huntington's Disease (through A2A receptors).

Abstract: Aryl phosphate derivatives of d4T with para-bromo substitution on the aryl group show markedly increased potency as anti-HIV agents without undesirable levels of cytotoxic activity. In particular, these derivatives are potent inhibitors of HIV reverse transcriptase. In a preferred aspect of the present invention, the phosphorus of the aryl phosphate group is further substituted with an amino acid residue that may be esterified or substituted, such as a methoxy alaninyl group.

Abstract: Disclosed are compounds of the formula wherein R2, R5, R6, R7, and R8 are as defined herein. These compounds and their pharmaceutical compositions are useful for treating cell proliferative disorders, such as cancer and restenosis. These compounds are potent inhibitors of cdks and growth factor-mediated kinases.