Abstract: The present invention relates to stable crystalline (6S)—N(5)-formyl-5,6,7,8-tetrahydrofolic acid, commonly referred to as levofolinic acid, in essentially pure 6S diastereomeric form, and to a process for its preparation.

Abstract: Provided are modulators of TLRs of Formula II: pharmaceutically acceptable salts thereof, compositions containing such compounds, and therapeutic methods that include the administration of such compounds.

Abstract: In one aspect, the invention provides compounds of Formula I or pharmaceutically acceptable salts thereof. In another aspect, the invention provides methods for treatment of diseases or disorders mediated by a protein kinase, comprising administering a therapeutically effective amount of a compound of this invention.

Abstract: The present invention provides compounds having a structure according to Formula (I): or a salt or solvate thereof, wherein ring A, E1, E2, R1, R2, R3 and R4 are defined herein. The invention further provides pharmaceutical compositions including the compounds of the invention and methods of making and using the compounds and compositions of the invention, e.g., in the treatment and prevention of various disorders, such as Parkinson's disease.

Abstract: Dihydropteridin-6-one derivatives of formula (I) as defined in the specification, and pharmaceutically acceptable salts thereof, process for their preparation and pharmaceutical compositions comprising them are disclosed; the compounds of the invention may be useful, in therapy, in the treatment of diseases associated with a disregulated protein kinase activity, like cancer.

Abstract: A method of preparing a compound represented by Structural Formula (I): or a pharmaceutically acceptable salt thereof, wherein the variables of Structural Formula (I) are as described in the specification and claims. Additionally, the present invention relates to compounds of Structural Formula (I), which are useful as inhibitors of protein kinase.

Abstract: The present invention relates to substituted pterin compounds, their synthesis and use. In particular, the present invention relates to a new precursor compound and its analogs for synthesizing a new substituted pterin compound and its analogs. These new compounds are particularly suitable for treating molybdenum cofactor deficiency.

Abstract: Described herein are compositions and methods for diagnosing and/or monitoring pathogenic disease states using positron emission tomography, wherein the pathogenic cells uniquely express, preferentially express, or overexpress vitamin receptors. Also described herein are 18F conjugates of vitamins and vitamin receptor-binding analogs of the formula.

Abstract: The present invention relates to an improved process for manufacturing dihydropteridinones of general formula (12) as well as intermediates thereof, wherein the groups R1, R2, R3, R4, and R5 have the meanings given in the claims and specification.

Abstract: Disclosed are compounds, compositions and methods for systemic and local delivery of biologically active molecules.

Abstract: The present invention provides compounds having a structure according to Formula (I): or a salt or solvate thereof, wherein ring A, E1, E2, R1, R2, R3 and R4 are defined herein. The invention further provides pharmaceutical compositions including the compounds of the invention and methods of making and using the compounds and compositions of the invention, e.g., in the treatment and prevention of various disorders, such as Parkinson's disease.

Abstract: The present invention is directed to treatment methods of administering tetrahydrobiopterin, including in oral dosage forms, in intravenous formulations, and with food. Also disclosed herein are biopterin assays for measuring the amount of biopterin and metabolites of biopterin in a sample.

Abstract: [Problem] To provide means for improving symptoms of cerebral dysfunction. [Solution Means] The inventor has newly found that peripheral administration of sepiapterin increases the bioavailability of aromatic monoamines in the brain. Accordingly, provided are a drug for preventing or improving cerebral dysfunction, which contains at least one of sepiapterin and its salt and also provided is a food and or drink for preventing or improving cerebral dysfunction, which contains at least one of sepiapterin and its salt. Unlike tetrahydrobiopterin, etc., sepiapterin is able to repress the lowering level of aromatic monoamines (such as serotonin, dopamine and noradrenaline) in neurons in the brain and also increase the bioavailability.

Abstract: A preparation process of (6R)-tetrahydrobiopterin hydrochloride is provided, which comprises hydrogenating L-biopterin in the presence of a catalyst of Pt group metal in the basic substrate containing solvent, potassium hydroxide and potassium dihydrogen phosphate to obtain (6R)-tetrahydrobiopterin hydrochloride, wherein the pH value of the basic substrate is controlled by potassium hydroxide and potassium dihydrogen phosphate in the range of about 10 to about 13.

Abstract: The disclosure provides linked purine pterin compounds and analogues thereof that are novel HPPK inhibitors. The HPPK inhibitors described herein are compounds and the pharmaceutically acceptable salts thereof of general Formula I The variables, e.g. A1 to A3, R1 to R4, L1, L2, B1, and B2 are described herein. Compounds and salts of Formula I bind to HPPK with high affinity and specificity. Pharmaceutical compositions containing an HPPK inhibitor of Formula I and methods of treating a bacterial infection in a patient by providing one or more HPPK inhibitors of Formula I to the patient are also provided. Processes and intermediates useful for preparing compounds of Formula I are also provided. Methods of using the disclosed compounds to guide the development of additional novel anti-bacterial agents are also provided.

Abstract: Disclosed are compounds, compositions and methods for systemic and local delivery of biologically active molecules.

Abstract: The present invention relates to compounds useful as inhibitors of protein kinase. The invention also provides pharmaceutically acceptable compositions comprising said compounds and methods of using the compositions in the treatment of various disease, conditions, or disorders.

Abstract: The invention relates to a method of controlling feelings of pain in infants or diseased or elderly persons using a complete nutrition or a nutritional supplement. The method comprises administering increased levels of folic acid, vitamin B6 and vitamin B12 or their functional equivalents.

Abstract: Disclosed are storage stable aqueous infusible or injectable solutions containing an active substance of general formula (I) wherein the groups L, R1, R2, R3, R4 and R5 have the meanings given in the claims and in the specification, and an amount of a physiologically acceptable acid or mixture of acids sufficient to dissolve the active substance and act as a stabilizer, optionally together with other formulating excipients suitable for parenteral administration, and a process for preparing the infusible or injectable solutions according to the invention.

Abstract: The present invention provides AKT inhibitors of the formula: Formula I The present invention also provides pharmaceutical compositions comprising compounds of Formula I, uses of compounds of Formula I and method of using compounds of Formula I.

Abstract: The application discloses a process for the preparation of 5-deoxy-L-arabinose of formula (VI); comprising the conversion of a compound of formula (XII); wherein n is 0, 1 or 2; which can be used as intermediate for the synthesis of sapropterin.

Abstract: A process for the preparation of the stable, amorphous calcium salt of (6S)-N(5)-methyl-5,6,7,8-tetrahydrofolic acid of the formula V, and a stable, amorphous calcium salt of (6S)-N(5)-methyl-5,6,7,8-tetrahydrocolic acid of the formula V are provided.

Abstract: The present invention relates to positron emission tomography tracers and methods of using these tracers.

Abstract: Provided are modulators of TLRs of Formula II: pharmaceutically acceptable salts thereof, compositions containing such compounds, and therapeutic methods that include the administration of such compounds.

Abstract: Provided herein are monomers incorporating folate or other targeting agent, polymers prepared therefrom, polymers prepared therefrom having a therapeutic agent covalently coupled thereto, as well as micelles and therapeutic compositions thereof.

Abstract: Crystal forms of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride, hydrates and solvates and processes for their preparation are provided. These crystal forms are either intermediates for the preparation of stable polymorphic form B or are suitable for solid formulations.

Abstract: The present invention relates to new dihydropteridinones of general formula (12) wherein the groups R1 to R5 and L, n, and m have the meanings given in the claims and specification, the isomers thereof, processes for preparing these dihydropteridinones and the use thereof as pharmaceutical compositions.

Abstract: In one aspect, the invention provides compounds of Formula I or pharmaceutically acceptable salts thereof. In another aspect, the invention provides methods for treatment of diseases or disorders mediated by a protein kinase, comprising administering a therapeutically effective amount of a compound of this invention.

Abstract: Disclosed herein are analogs of tetrahydrobiopterin, compositions containing the same, and methods of treating an individual suffering from a condition responsive to tetrahydrobiopterin by administration of the analog. These analogs are contemplated for use wherever tetrahydrobiopterin is currently used to treat conditions responsive to tetrahydrobiopterin therapies.

Abstract: The present disclosure is generally related to methods of preventing oxidative stress injury induced by renal is-chemia-reperfusion by a Folate-TEMPOL conjugate.

Abstract: Crystal forms of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride, hydrates and solvates and processes for their preparation are provided. These crystal forms are either intermediates for the preparation of stable polymorphic form B or are suitable for solid formulations.

Abstract: There is provided a stable, crystalline (6S)-N(5)-methyl-5,6,7,8-tetrahydrofolic acid of the formula IV, This compound belongs to the family of reduced folates which are useful in vitaminic and oncological field.

Abstract: A method of preparing a compound represented by Structural Formula (I): or a pharmaceutically acceptable salt thereof, wherein the variables of Structural Formula (I) are as described in the specification and claims. Additionally, the present invention relates to compounds of Structural Formula (I), which are useful as inhibitors of protein kinase.

Abstract: In one aspect, the invention provides compounds of Formula I or pharmaceutically acceptable salts thereof. In another aspect, the invention provides methods for treatment of diseases or disorders mediated by a protein kinase, comprising administering a therapeutically effective amount of a compound of this invention.

Abstract: The present invention relates to an improved process for manufacturing dihydropteridinones of general formula (12) as well as intermediates thereof, wherein the groups R1, R2, R3, R4, and R5 have the meanings given in the claims and specification.

Abstract: In one aspect, the invention provides compounds of Formula I or pharmaceutically acceptable salts thereof. In another aspect, the invention provides methods for treatment of diseases or disorders mediated by a protein kinase, comprising administering a therapeutically effective amount of a compound of this invention.

Abstract: The present invention relates to a specific salt of a dihydropteridione derivative, namely the trihydrochloride salt of the compound N-[trans-4-[4-(cyclopropylmethyl)-1-piperazinyl]cyclohexyl]-4-[[(7R)-7-ethyl-5,6,7,8-tetrahydro-5-methyl-8-(1-methylethyl)-6-oxo-2-pteridinyl]amino]-3-methoxy-benzamide, to its crystallisation in the form of an hydrate with water, to a process for the manufacture thereof, and to the use thereof in a pharmaceutical composition.

Abstract: Specifically substituted pyrido(3,2-d)pyrimidine derivatives having the structural formula (I) are useful for the treatment of hepatitis C.

Abstract: Dihydroperidinone derivatives, preparation process and pharmaceutical use thereof are disclosed. Specially, new dihydroperidinone derivatives represented by general formula (I), wherein each substituent of the general formula (I) is defined as in the description, their preparation process, pharmaceutical compositions comprising said derivatives and their use as therapeutical agents, especially as Plk kinase inhibitors are disclosed.

Abstract: The present disclosure provides a method that efficiently produces (6R)-tetrahydrobiopterin of Formula I in high yield and purity. The method includes the step of hydrolyzing diacetylbiopterin to biopterin under basic conditions in a biphasic mixture comprising an organic phase and an aqueous phase. After substantially complete hydrolysis of diacetylbiopterin, the aqueous phase containing biopterin can be separated from the organic phase containing most of the organic impurities, which avoids the time-consuming step of isolating biopterin as a solid. The aqueous solution containing biopterin is stereoselectively hydrogenated to (6R)-tetrahydrobiopterin under basic conditions and high hydrogen pressure in the presence of a metal catalyst (e.g., a platinum catalyst). To improve the purification of an acid addition salt of (6R)-tetrahydrobiopterin (e.g., (6R)-tetrahydrobiopterin dihydrochloride), any residual salts (e.g.

Abstract: Methods of assaying for (i) a pterin by immunoassay employing a pterin as capture agent, (ii) neopterin by chemiluminescent microparticle immunoassay (CMIA) employing an anti-neopterin antibody (Ab) as capture agent, (iii) neopterin by an immunoassay (IA) employing an acridinium (Acr)-labeled anti-neopterin Ab as conjugate, and (iv) neopterin by an IA employing Acr-labeled neopterin as tracer; an Acr-labeled anti-neopterin Ab; a conjugate/complex comprising anti-neopterin Ab and a carrier scaffold; a conjugated pterin; a conjugate comprising an Acr-labeled pterin and a carrier scaffold; an immunogen comprising neopterin and a carrier protein; a conjugate comprising such an immunogen and an Acr compound; an immunogen comprising a carrier protein and a neopterin hapten; a conjugate comprising such an immunogen and an Acr compound; a kit for assaying a pterin comprising a pterin as a capture agent and instructions for IA; and a kit for assaying neopterin comprising an anti-neopterin Ab as a capture agent and ins

Abstract: The invention describes a vitamin receptor binding drug delivery conjugate, and preparations therefor. The drug delivery conjugate consists of a vitamin receptor binding moiety, a bivalent linker (L), and a drug. The vitamin receptor binding moiety includes vitamins, and vitamin receptor binding analogs and derivatives thereof, and the drug includes analogs and derivatives thereof. The vitamin receptor binding moiety is covalently linked to the bivalent linker, and the drug, or the analog or the derivative thereof, is covalently linked to the bivalent linker, wherein the bivalent linker (L) includes components such as spacer linkers, releasable linkers, and heteroatom linkers, and combinations thereof. Methods and pharmaceutical compositions for eliminating pathogenic cell populations using the drug delivery conjugate are also described.

Abstract: In one aspect, the invention provides compounds of Formula I or pharmaceutically acceptable salts thereof. In another aspect, the invention provides methods for treatment of diseases or disorders mediated by a protein kinase, comprising administering a therapeutically effective amount of a compound of this invention.

Abstract: Disclosed herein are analogs of tetrahydrobiopterin, compositions containing the same, and methods of treating an individual suffering from a condition responsive to tetrahydrobiopterin by administration of the analog. These analogs are contemplated for use wherever tetrahydrobiopterin is currently used to treat conditions responsive to tetrahydrobiopterin therapies.

Abstract: In one aspect, the invention provides compounds of Formula I or pharmaceutically acceptable salts thereof. In another aspect, the invention provides methods for treatment of diseases or disorders mediated by a protein kinase, comprising administering a therapeutically effective amount of a compound of this invention.

Abstract: Polymeric platinum amidomalonate complexes, where the platinum is in +2 or +4 oxidation state, and where the complexes optionally contain tumor seeking groups, are useful in the treatment of cancer.

Abstract: The instant invention provides for compounds that inhibit Akt activity. In particular, the compounds disclosed selectively inhibit one or two of the Akt isoforms. The invention also provides for compositions comprising such inhibitory compounds and methods of inhibiting Akt activity by administering the compound to a patient in need of treatment of cancer.

Abstract: The present invention is directed to treatment methods of administering tetrahydrobiopterin, including in oral dosage forms, in intravenous formulations, and with food. Also disclosed herein are biopterin assays for measuring the amount of biopterin and metabolites of biopterin in a sample.

Abstract: Methods for purifying pteroic acid, analogs of pteroic acid, and derivatives of pteroic acid are described. Methods for synthesizing and purifying conjugates of vitamins, including FITC conjugates of folic acid, folic acid analogs, and derivatives of folic acid and folic acid analogs are also described. Purified forms of pteroic acid, derivatives and analogs of pteroic acid, and conjugates thereof are also described.

Abstract: The invention relates to stereoregular ROMP polymers, the monomers used to make them, and the processes used to convert the monomers to the polymers.