Abstract: The present application relates to processes for the preparation amorphous valganciclovir hydrochloride, comprising combining a solution of valganciclovir with an anti-solvent.

Abstract: Disclosed is a PNA oligomer with increased solubility in water and specificity upon hybridization with nucleic acid, which comprises at least one universal base, capable of forming a base pair with natural DNA or RNA bases, incorporated in its base sequence, the base sequence having at least 60% purine bases or at least four contiguous purine bases.

Abstract: The invention provides novel therapeutic compounds, pharmaceutical compositions comprising these compounds, and methods for using these compounds and compositions to treat diseases and disorders, such as cancer.

Abstract: Hsp90 inhibitors are provided having the formula: with a 2?,4?,5?-substitution pattern on the right-side aryl moiety. X1 represents two substituents, which may be the same or different, disposed in the 4? and 5? positions on the aryl group, wherein X1 is selected from halogen, alkyl, alkoxy, halogenated alkoxy, hydroxyalkyl, pyrollyl, optionally substituted aryloxy, alkylamino, dialkylamino, carbamyl, amido, alkylamido dialkylamido, acylamino, alkylsulfonylamido, trihalomethoxy, trihalocarbon, thioalkyl, SO2?alkyl, COO-alkyl, KH2, OH, CN, SO2X5, NO2, NO, C?SR2 NSO2X5, C?OR2, where X5 is F, NH2, alkyl or H, and R2 is alkyl, NH2, NH-alkyl or O-alkyl, C1 to C6 alkyl or alkoxy; or wherein X1 has the formula —O—(CH2)n—O—, wherein n is an integer from 0 to 2, preferably 1 or 2, and one of the oxygen is bonded at the 5?-position and the other at the 4?-position of the aryl ring. The compounds are useful in cancer therapy and as radioimaging ligands.

Abstract: The present invention provides specific double-stranded DNA/RNA binding compounds having a polymeric structure, which are in fact, triplex forming molecules capable of binding tightly and specifically to predetermined sequences in the major groove of double stranded nucleic acid molecules; as well as pharmaceutical compositions comprising thereof. The triplex forming molecules and the pharmaceutical compositions of the invention can be used for various therapeutic applications such as site-specific modulation of gene expression and targeting of DNA or RNA damage, as well as for diagnostic applications in vitro.

Abstract: A compound including a salt derivative of the chlorophenylpiperazine moiety is provided, wherein the chlorophenylpiperazine moiety is derived from the reaction of a xanthine and a piperazine. The salt derivative thereof is non-toxic to the tracheal smooth muscle cells (TSMCs) and can be intravenously-, orally- or sublingually-dosed into the mammals.

Abstract: The present invention is directed to compounds, compositions and methods for treating or preventing viral infections, in particular, HIV, HBV, and HCV, in human patients or other animal hosts. The compounds are 3?-azido-2?,3?-dideoxy purine nucleosides or phosphonates, and pharmaceutically acceptable, salts, prodrugs, and other derivatives thereof. In particular, the compounds show potent antiviral activity against HIV-1 resistance mutants including HIV-1K65R, HTV-1K70E, HIV-1L74V, HIV-1M184V, HIV-1Q151M and inhibitory activity against HIV-1 RT harboring TAMS or insertion mutations including HIV-1AZT3, HIV-1AZT7, HIV-1AZT9, HIV-1Q151M, or HIV-169insertion. In one embodiment, the compounds are 3?-azido-ddA, 3?-azido-ddG, or combinations thereof, administered with one or more additional antiviral agents that select for TAM mutations and/or the M 184V mutation, along with a pharmaceutically acceptable carrier.

Abstract: Disclosed are (N)-methanocarba adenine nucleosides of the formula: as highly potent A3 adenosine receptor agonists, pharmaceutical compositions comprising such nucleosides, and a method of use of these nucleosides, wherein R1-R6 are as defined in the specification. These nucleosides are contemplated for use in the treatment a number of diseases, for example, inflammation, cardiac ischemia, stroke, asthma, diabetes, and cardiac arrhythmias. The invention also provides compounds that are agonists of both A1 and A3 adenosine receptors for use in cardioprotection.

Abstract: The present invention is directed to methods for screening for metallohydrolase inhibitors using metal binding moieties in combination with targeting moieties.

Abstract: A drug for topically administration which is effective as an antiallergic agent. The drug for topically administration contains as an active ingredient an adenine compound represented by the general formula (1): [wherein ring A represents a 6 to 10 membered, mono or bicyclic, aromatic hydrocarbon or a 5 to 10 membered, mono or bicyclic, aromatic heterocycle containing one to three heteroatoms selected among 0 to 2 nitrogen atoms, 0 or 1 oxygen atom, and 0 or 1 sulfur atom; n is an integer of 0 to 2; m is an integer of 0 to 2; R represents halogeno, (un)substituted alkyl, etc.; X1 represents oxygen, sulfur, NR1 (R1 represents hydrogen or alkyl), or a single bond; Y1 represents a single bond, alkylene, etc.; Y2 represents a single bond, alkylene, etc.; Z represents alkylene; and at least one of Q1 and Q2 represents —COOR10 (wherein R10 represents (un)substituted alkyl, etc.), etc.] or a pharmaceutically acceptable salt of the compound.

Abstract: The present invention provides 8-oxoadenine derivatives, processes for their preparation, pharmaceutical compositions containing them and their use in therapy. The 8-oxoadenine derivatives act as modulators of Toll-like Receptor (TLR) 7 and thus may be used in the treatment of asthma, hepatitis, allergic diseases, viral and bacterial infection as well as cancer.

Abstract: The present invention relates to crystalline forms of valomaciclovir, processes for preparing crystalline forms of valomaciclovir, pharmaceutical compositions thereof and methods of using thereof.

Abstract: The invention relates to compounds of formula 1 wherein R1-R2 is a guanine derivative; X is oxygen or sulfur; R3 is a heteroaromatic, unsaturated heterocyclyl or an alkynyl group with the double or triple bond connected to CH2; R4 is a linker; and L is a label, a plurality of same or different labels, a bond connecting R4 to R1 forming a cyclic substrate, or a further group —R3—CH2—X—R1-R2. The invention relates also to methods of manufacture of such novel AGT substrates, to intermediates useful in the synthesis of such AGT substrates, and to a method of transferring a label from such AGT substrates to O6-alkylguanine-DNA alkyltransferase (AGT) fusion proteins comprising proteins of interest.

Abstract: The present invention relates to pharmaceutical compositions for the treatment or prevention of viral infections comprising as an active principle at least one compound having the general formula (A): wherein U is N or C; X is selected from C1-C10 alkylene, C2-10 alkenylene or C2-10 alkynylene, where each may include one or more intrachain heteroatoms selected from O, S, or NR11, provided any such heteroatom is not adjacent to the N in the ring; R3 is selected from aryl, aryloxy, arylthio, cycloalkyl, cycloalkenyl, cycloalkynyl, aryl-N(R10)—, or heterocycle, where each said substituent is optionally substituted with at least one R17, provided that for cycloalkenyl the double bond is not adjacent to a nitrogen; and the other substituents are described in the specification.

Abstract: In this invention the novel polymorphs of the valacyclovir hydrochloride and methods for preparing these novel polymorphs are provided.

Abstract: Reaction of 1-O-acetyl-2,3,5-tri-O-benzoyl-?-D-ribofuranose with 2-methoxyadenine to form 9-(2?,3?,5?-tri-O-benzoyl-?-D-ribofuranosyl)-2-methoxyadenine, then deprotection of the 9-(2?,3?,5?-tri-O-benzoyl-?-D-ribofuranosyl)-2-methoxyadenine to form spongosine is described. Synthesis of intermediates for use in the synthesis of spongosine is also described.

Abstract: The current invention provides compounds of formula (1): wherein: one of Q1, Q2 and Q3 is S, and the other of two of Q1, Q2 and Q3 are —CR1—, which are inhibitors of PI3K-delta. These compounds are useful for treatment of conditions mediated by PI3K-delta, such as hematopoietic cancers, immune disorders, and bone resorption disorders. The invention further provides pharmaceutical compositions comprising a compound of formula (1) and methods of using these compounds and compositions to treat conditions mediated by PI3K-delta.

Abstract: Analogs or derivatives of nitrobenzylthioinosine corresponding to formula I: in which R represents an unsubstituted or mono- or polysubstituted phenyl, benzyl or heteroaryl group or a phenyl group condensed with heteroaryl, and R? represents an unsubstituted or mono- or polysubstituted NH—C1-6-alkyl, NH-aryl, NH-heteroaryl, NH—C3-8-cycloalkyl, NH—C1-3-alkyl-aryl, NH—C1-3-alkyl-heteroaryl, N(C1-6-alkyl)2, N(C1-3-alkyl-aryl)2, N(C1-3-alkyl-heteroaryl)2, piperidine, piperazine, morpholine or pyrrolidine group; pharmaceutical compositions comprising such analogs or derivatives, and the use of such analogs or derivatives for treating pain and/or various other diseases.

Abstract: The present invention relates to a crystalline form of entecavir and its process for preparation, and provides a pharmaceutical composition comprising a therapeutically effective amount of the crystalline form of entecavir. Furthermore, the present invention also provides a use of the crystalline form of entecavir in preparation for a medicament for the treatment of hepatitis B viral infections. The present invention is beneficial toe preparations for pharmaceutical formulations and enhancements of its bioavailability.

Abstract: This invention provides highly regioselective and stereoselective processes for preparing synthetic nucleosides. A process for the preparation of synthetic nucleosides is provided that comprises a) preparing a bicycloamide derivative, b) reacting the bicycloamide derivative with a nucleic acid base or heterocyclic base or salt thereof in the presence of a transition metal catalyst to form a cyclopentenecarboxamide, and c) cleaving a carboxamide group from the cyclopentenecarboxamide to form the synthetic nucleoside. The processes according to the invention can be used for the synthesis of a variety of anti-viral agents, including Abacavir, Carbovir, and Entecavir, as well as derivatives thereof.

Abstract: The invention provides biomolecule binding ligands, collections of biomolecule binding ligands, and their use in the purification of biological mixtures and in the identification of ligands having an affinity for a substance.

Abstract: Variolin derivatives of formula (5) are provided, wherein the substituent groups defined by X2, R1, R2, R3, R6, R7, and R12 are each independently selected from the group consisting of H, OH, OR?, SH, SR?, SOR?, SO2R?, NO2, NH2, NHR?, N(R?)2, NHCOR?, NHSO2R?, CN, halogen, ?O, C(?O)H, C(?O)R?, CO2H, CO2R?, carboxyalkyl, C1-C12 alkyl, C2-C12 alkenyl, C2-C12 alkynyl, substituted or unsubstituted aryl, substituted or unsubstituted aralkyl and substituted or unsubstituted heteroaromatic; wherein each of the R? groups is independently selected from the group consisting of H, OH, SH, NO2, NH2, CN, halogen, ?O, C(?O)H, C(?O)CH3, CO2H, CO2CH3, C1-C12 alkyl, C2-C12 alkenyl, C2-C12 alkynyl, aryl, aralkyl and heteroaromatic; wherein the pairs of groups of R1 and R2, R2 and R3, R3 and R12, R12 and R6, or R6 and R7 may be joined into a carbocyclic or heterocyclic ring system.

Abstract: A drug for topically administration which is effective as an antiallergic agent. The drug for topically administration contains as an active ingredient an adenine compound represented by the general formula (1): [wherein ring A represents a 6 to 10 membered, mono or bicyclic, aromatic hydrocarbon or a 5 to 10 membered, mono or bicyclic, aromatic heterocycle containing one to three heteroatoms selected among 0 to 2 nitrogen atoms, 0 or 1 oxygen atom, and 0 or 1 sulfur atom; n is an integer of 0 to 2; m is an integer of 0 to 2; R represents halogeno, (un)substituted alkyl, etc.; X1 represents oxygen, sulfur, NR1 (R1 represents hydrogen or alkyl), or a single bond; Y1 represents a single bond, alkylene, etc.; Y2 represents a single bond, alkylene, etc.; Z represents alkylene; and at least one of Q1 and Q2 represents —COOR10 (wherein R10 represents (un)substituted alkyl, etc.), etc.] or a pharmaceutically acceptable salt of the compound.

Abstract: The present invention discloses compositions having particles comprising, inorganic element; one or more active ingredient and optionally a release rate modulating agent, suitable for the delivery of active ingredients to human and animal tissues. The particles are nanoparticles or microparticles or mixtures thereof, made preferably by sol-gel method. The compositions are useful for application to the topical or mucosal surfaces preferably in the form of creams, gels, lotions, dry powders, spray, foam and other suitable forms.

Abstract: Methods for determining invertebrate- and insect-specific, such as mosquito-specific, residues of acetylcholinesterases are provided herein. The methods can be used to design pesticides and insecticides that are specific for the invertebrate or insect (e.g., mosquito) enzymes, resulting in reduced toxicity concerns for mammals. Compositions for inhibiting invertebrate and insect (e.g., mosquito) acetylcholinesterases and methods for preparing the same are also provided.

Abstract: Methods of inhibiting phosphatidylinositol 3-kinase delta isoform (PI3K?) activity, and methods of treating diseases, such as disorders of immunity and inflammation, in which PI3K? plays a role in leukocyte function are disclosed. Preferably, the methods employ active agents that selectively inhibit PI3K?, while not significantly inhibiting activity of other PI3K isoforms. Compounds are provided that inhibit PI3K? activity, including compounds that selectively inhibit PI3K? activity. Methods of using PI3K? inhibitory compounds to inhibit cancer cell growth or proliferation are also provided. Accordingly, the invention provides methods of using PI3K? inhibitory compounds to inhibit PI3K?-mediated processes in vitro and in vivo.

Abstract: The present invention relates to compounds and methods use as inhibitors of c-Met. Certain compounds of the subject invention have the following structural formula (I). Other compounds of the subject invention have structural formulas as defined herein. Also disclosed herein are pharmaceutical compositions comprising the compounds of the subject invention.

Abstract: Composition and methods are disclosed that include a synergistic combination of an inhibitor of Herpes simplex virus thymidine kinase, and an antiherpes substance.

Abstract: The present invention provides compounds of formula (I) wherein R1, Y1, X1, L and R2 are as defined in the specification, and pharmaceutically acceptable salts thereof, as well as processes for their preparation, pharmaceutical compositions containing them and their use in therapy.

Abstract: The present invention relates to methods of identifying small molecule candidate agents capable of modulating transcription factor function such that the function/expression of a target transcription factor and/or proteins downstream of this target protein comprises the screening of small molecule libraries using in silico high throughput docking for candidate small molecules/agents that are selectively identified for their ability to target and disrupt the transcription factor-DNA interface through unique transcription factor and/or DNA descriptors that are defined within a pharmacophore, and then testing/evaluating the candidate agents identified above through one or more in vitro assays for their ability to modulate transcription factor function including expression of this target protein and/or proteins that are downstream of the target transcription factor.

Abstract: Compounds of formula (I): wherein R1 is C1-8alkylamino, C1-8alkoxy, C3-7cycloalkylC1-6alkylamino, C3-7cycloalkylC1-6alkoxy, C1-3alkoxyC2-3alkoxy, or Hetb-C1-3alkoxy; Hetb is a 5- or 6-membered saturated aliphatic heterocycle containing one oxygen atom; R2 is —(CH2)n-Het; n is an integer having a value of 1 to 4; Het is a 5- or 6-membered saturated aliphatic heterocycle containing one oxygen heteroatom, which heterocycle may be substituted by one or two C1-4alkyl groups, and salts and solvates thereof, are inducers of human interferon and may be useful in the treatment of various disorders in particular infectious diseases, cancer, and allergic diseases and other inflammatory conditions for example allergic rhinitis and asthma, and as vaccine adjuvants.

Abstract: The invention provides compounds of the formula (I) having PKA and PKB kinase inhibiting compounds of the formula (I): GP 1 J T 2 J N 4 R N H (I) or salts, solvates, tautomers or N-oxides thereof, wherein (1) GP is a group GP1: HET 2a a Q G (HNCO)f 7 (R)x N * (GP1) (2) GP is a group GP2: 10 (R)r O 2a a QG (CH2)w N V H N * (GP2) wherein HET is a monocyclic or bicyclic heterocyclic group containing up to 4 heteroatom ring members; the ring V is a monocyclic or bicyclic heteroaryl group of 5 to 10 ring members; and J1, J2, R4, R7, R10, Q2a, Ga, x, w and f are as defined in the claims

Abstract: Methods and apparatus for facilitating the synthesis of compounds in a batch device are presented. Application of the batch type microfluidic devices to the synthesis of radiolabeled compounds is described. These methods and apparatus enable the selective introduction of multiple reagents via an enhanced rotary flow distribution valve through a single inlet port of the synthetic device. The sequential introduction of multiple reagents through a single inlet port allows an optimal delivery of highly concentrated reagents into the reactor and facilitates the synthesis of the desired products with a minimal loss of materials during transfers, which is critical to the synthesis of radiolabeled biomarkers.

Abstract: [Purpose] The present invention provides compounds useful as agents for the prevention or treatment of a sex hormone-dependent disease or the like. [Solution] The present invention provides nitrogen-containing fused ring derivatives represented by the following general formula (I) which has a GnRH antagonistic activity, prodrugs, salts, pharmaceutical compositions containing the same, medicinal uses thereof and the like. In the formula (I), rings A and B are independently aryl or heteroaryl; RA and RB are independently halogen, cyano, alkyl, alkylsulfonyl, —OW1, —SW1, —COW2, —NW3W4, —SO2NW3W4, aryl, etc.; RC is H or alkyl; E is oxygen atom, etc.; U is single bond or alkylene; and X is Y, —CO—Y, —SO2—Y, —S-(alkylene)-Y, —O-(alkylene)-Y, —SO2-(alkylene)-Y, etc.; Y is Z or amino, etc.; and Z is cycloalkyl, heterocycloalkyl, aryl, heteroaryl, etc.

Abstract: A novel adenine compound represented by the formula (1): [wherein R1 is substituted or unsubstituted alkyl, etc., X is oxygen, etc., A1 is 4- to 8-membered substituted or unsubstituted saturated nitrogen-containing heterocycle containing 1 to 2 hetero atom(s) selected from 1 to 2 nitrogen(s), 0 to 1 oxygen and 0 to 1 sulfur, etc., A2 is substituted or unsubstituted 6- to 10-membered aryl, etc., L1 and L2 are independently a straight chain or branched chain alkylene, etc.], or a pharmaceutically acceptable salt thereof, which is useful as a medicament.

Abstract: A novel adenine compound represented by the formula (1): wherein A represents an (un)substituted aromatic carbocycle or (un)substituted aromatic heterocycle; L1 and L2 each independently represents straighted or branched alkylene, etc.; R1 represents halogen, (un)substituted alkyl, (un)substituted alkenyl, (un)substituted alkynyl, (un)substituted cycloalkyl, (un)substituted aryl, or (un)substituted heteroaryl; R2 and R3 each independently represents hydrogen, or (un)substituted alkyl, (un)substituted alkenyl, (un)substituted alkynyl, (un)substituted cycloalkyl, (un)substituted saturated heterocycle, (un)substituted aryl, or (un)substituted heteroaryl, or R2 combines together with L2 or R3 to form (un)substituted 4- to 8-membered nitrogen-containing saturated heterocycle; X is oxygen, sulfur, SO, SO2, NR7, NR7CO wherein R7 is hydrogen or alkyl, or a single bond; provided that X is a single bond when R1 is halogen, or a pharmaceutically acceptable salt thereof.

Abstract: The present invention comprises compounds useful as antiviral or antitumor agents. The compounds comprise nucleotide analogues that comprise tetrahydrofuranyl or tetrahydrothienyl moeities with quaternary centers at the 3? position. The nucleotide analogues can be used to inhibit cancer or viruses. Accordingly, the compounds of the present invention are useful for treating, preventing, and/or inhibiting diseases or conditions associated with cancers and viruses. Thus, the present invention also comprising pharmaceutical formulations comprising the compounds and methods of using the compounds and formulations to inhibit viruses or tumors and treat, prevent, or inhibit the foregoing diseases.

Abstract: The present invention provides compounds of formula where n, R1, R2, A, X1, Y1, Z1, X2 and Y2 are as defined in the specification, processes for their preparation, pharmaceutical compositions containing them and their use in therapy.

Abstract: The present application relates to amorphous forms of valganciclovir salts such as the hydrochloride and processes for their preparation.

Abstract: Compounds of formula (I): wherein R1 is C1-6alkylamino, C1-6alkoxy, or C3-7cycloalkyloxy; m is an integer having a value of 3 to 6; n is an integer having a value of 0 to 4; and salts thereof are inducers of human interferon. Compounds which induce human interferon may be useful in the treatment of various disorders, for example the treatment of allergic diseases and other inflammatory conditions for example allergic rhinitis and asthma, the treatment of infectious diseases and cancer, and may also be useful as vaccine adjuvants.

Abstract: Provided herein are methods for screening compounds for their ability to modulate Wnt signaling in cancer cells.

Abstract: Disclosed are prodrugs of A2B adenosine receptor antagonists, and their use in treating mammals for various disease states.

Abstract: The present invention relates to novel types of peptide nucleic acids (PNAS) with improved properties. In particular, it relates to positively charged PNA units having an ethylene linker between the backbone and the nucleobase, to oligonucleotide analogs comprising these units, to oligomers comprising these units, and to the use of positively charged PNAs as novel delivery agents with therapeutic and diagnostic applications including for antisense therapy.

Abstract: The invention provides compounds of the formula (I): or salts, solvates, tautomers or N-oxides thereof, wherein J1-J2 is CH?CH, N?CH, CH?N, HN—C(O) or CH2CO; T is N or CH and GP is as defined in the claims. The compounds have activity as inhibitors of PKA and PKB kinases and are useful in the treatment of cancers.

Abstract: This invention relates to purine derivatives, to processes for their preparation, to compositions containing them and to their use. The present invention provides compounds of formula (I) wherein R1, R2, R3, R9, R9a and Y are defined in the description. More particularly, the present invention relates to the use of purine derivatives in the treatment of a variety of viral infections and immune or inflammatory disorders, including those in which the modulation, in particular agonism, of Toll-Like Receptors (TLRs) is implicated. Accordingly, the compounds of the invention are useful in the treatment of infectious disease such as Hepatitis (e.g. HCV, HBV), genetically related viral infections, inflammatory diseases such as asthma and arthritis, and cancer.

Abstract: The present invention provides for TLR agonist conjugates (compounds) and compositions, as well as methods of using them. The compounds of the invention are broad-spectrum, long-lasting, and non-toxic combination of synthetic immunostimulatory agents, which are useful for activating the immune system of a mammal, preferably a human and can help direct the pharmacophore to the receptor within the endosomes of target cells and enhance the signal transduction induced by the pharmacophore.

Abstract: Azacycloalkane derivatives of structural formula I are selective inhibitors of stearoyl-coenzyme A delta-9 desaturase (SCD1) relative to other known stearoyl-coenzyme A desaturases. The compounds of the present invention are useful for the prevention and treatment of conditions related to abnormal lipid synthesis and metabolism, including cardiovascular disease, such as atherosclerosis; obesity; diabetes; neurological disease; metabolic syndrome; insulin resistance; and liver steatosis. Formula (I).

Abstract: The present invention provides an isolated N-formyl valacyclovir, its preparation and its use as a reference marker and/or reference standard.

Abstract: The invention comprises a novel virus that can kill mammalian cancer cells efficiently. The virus produces a novel protein that converts two non-toxic prodrugs into potent chemotherapeutic agents. These chemotherapeutic agents are produced locally and help the virus kill the cancer cells as well as sensitize them to radiation. In preclinical studies, the virus has proven effective at killing a variety of mammalian cancer cells either alone or when combined with prodrug therapy and/or radiation therapy. The invention may provide a safe and effective treatment for human cancer.

Abstract: A chemical genus of purinones and 1H-imidazopyridinones, which are useful as PKC? inhibitors, and their methods of use are disclosed.