Abstract: The present invention relates to a novel Ledipasvir (LDV) crystal form and a preparation method thereof. Specifically, disclosed is an LDV solvate. The solvate is a solvate formed by LDV and a solvent A and/or a solvent B, wherein the solvent A is acetonitrile or acetone; and the solvent B is methyl tertiary butyl ether (MTBE). Also disclosed are a preparation method and an application of the solvate. The solvate has a high purity, a good crystallization property, and better optical stability. The preparation method is simple and the process is stable. The solvate can significantly improve quality control and industrial applications of LDV-containing drugs.

Abstract: An improved process is provided for the preparation of Ledipasvir and its pharmaceutically acceptable salts or solvates thereof, which is useful as an antiviral agent. This disclosure also provides a process for the preparation of key intermediates of Ledipasvir.

Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.

Abstract: The present disclosure provides processes for the preparation of a compound of formula I: which is useful as an antiviral agent. The disclosure also provides compounds that are synthetic intermediates to compounds of formula I.

Abstract: Disclosed are compounds of Formula III. Also disclosed are salts of the compounds, pharmaceutical composition comprising the compounds or salts, and methods for treating HCV infection by administration of the compounds or salts.

Abstract: The present disclosure provides processes for the preparation of a compound of formula I: which is useful as an antiviral agent. The disclosure also provides compounds that are synthetic intermediates to compounds of formula I.

Abstract: Amorphous and crystalline solid forms of the anti-HCV compound (1-{3-[6-(9,9-difluoro-7-{2-[5-(2-methoxycarbonylamino-3-methyl-butyryl)-5-aza-spiro[2.4]hept-6-yl]-3H-imidazol-4-yl}-9H-fluoren-2-yl)-1H-benzoimidazol-2-yl]-2-aza-bicyclo[2.2.1]heptane-2-carbonyl}-2-methyl-propyl)-carbamic acid methyl ester (Compound I) were prepared and characterized in the solid state: Also provided are processes of manufacture and methods of using the amorphous and crystalline forms.

Abstract: The present invention relates to the field of organic chemistry and in particular to organic free radicals used as polarizing agents in the technique of Dynamic Nuclear Polarization (DNP), which involves transferring the polarization of electron spins to the nuclei of a compound whose Nuclear Magnetic Resonance (NMR) is being observed. It concerns Dinitroxide-type Biradical polarizing agents characterized by a rigid linkage between the aminoxyl groups of said nitroxide units. This particular structure enables, at low temperatures and high fields, optimal transfer of polarization and optimal enhancement of NMR/MAS signals of the polarized nuclei of the compound studied.

Abstract: Disclosed are compounds, compositions and methods for treating various diseases, syndromes, conditions and disorders, including those mediated by inhibition of fatty acid synthase (FASN) enzyme, such as, cancer, obesity or related discorders, and liver related disorders. Such compounds are represented by formula (I) as follows: wherein L1, a, b, m, n, R1, R2, R3, R4, and R5 are defined herein.

Abstract: Amorphous and crystalline solid forms of the anti-HCV compound (1-{3-[6-(9,9-difluoro-7-{2 -[5-(2-methoxycarbonylamino-3-methyl-butyryl)-5-aza-spiro[2.4]hept-6-yl]-3H-imidazol-4-yl}-9H-fluoren-2-yl)-1H-benzoimidazol-2-yl]-2-aza-bicyclo[2.2.1]heptane-2-carbonyl}-2-methyl -propyl)-carbamic acid methyl ester (Compound I) were prepared and characterized in the solid state: Also provided are processes of manufacture and methods of using the amorphous and crystalline forms.

Abstract: The present invention provides agents for treating or preventing diseases such as mood disorder, anxiety disorder, schizophrenia, Alzheimer's disease, Parkinson's disease, Huntington's chorea, eating disorder, hypertension, gastrointestinal disease, drug addiction, epilepsy, cerebral infarction, cerebral ischemia, cerebral edema, head injury, inflammation, immune-related disease, alopecia.

Abstract: The present invention relates to processes and intermediates for the preparation of novel benzimidazole derivatives, especially in the synthesis of hepatitis C virus NS5A inhibitors.

Abstract: Disclosed are compounds of Formula III. Also disclosed are salts of the compounds, pharmaceutical composition comprising the compounds or salts, and methods for treating HCV infection by administration of the compounds or salts.

Abstract: Provided are compounds antiviral compounds represented by formula Ia and Ib: that are highly potent as HCV NS5A inhibitors, where the structural variables are as defined herein. These compounds are useful in, for example, inhibiting Hepatitis C virus and treating Hepatitis C virus infections.

Abstract: The present disclosure provides substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes, of Formula I D-M-D??(Formula I) useful as antiviral agents. In certain embodiments disclosed herein M is a group —P-A-P— where A is Certain substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes disclosed herein are potent and/or selective inhibitors of viral replication, particularly Hepatitis C virus replication. Pharmaceutical compositions/and combinations containing one or more substituted aliphanes, cyclophanes, heteraphanes, heterophanes, hetero-heteraphanes and metallocenes and a pharmaceutically acceptable carrier are also provided by this disclosure. Methods for treating viral infections, including Hepatitis C viral infections are provided by the disclosure.

Abstract: The present invention relates to processes and intermediates for the preparation of novel benzimidazole derivatives, especially in the synthesis of hepatitis C virus NS5A inhibitors.

Abstract: Disclosed are compounds of Formula III. Also disclosed are salts of the compounds, pharmaceutical composition comprising the compounds or salts, and methods for treating HCV infection by administration of the compounds or salts.

Abstract: The present disclosure relates to compounds, compositions and methods for the treatment of hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.

Abstract: Provided herein are compounds and methods of synthesis thereof. The compounds provided herein are useful for the treatment, prevention, and/or management of various disorders, such as pain, neurological disorders, psychiatric disorders, and neuromuscular disorders. Compounds provided herein modulate the activity of opioid receptor (e.g., ?-opioid receptor) in the central nervous system or the periphery. Pharmaceutical formulations containing the compounds and their methods of use are also provided herein.

Abstract: The present invention provides agents for treating or preventing diseases such as mood disorder, anxiety disorder, schizophrenia, Alzheimer's disease, Parkinson's disease, Huntington's chorea, eating disorder, hypertension, gastrointestinal disease, drug addiction, epilepsy, cerebral infarction, cerebral ischemia, cerebral edema, head injury, inflammation, immune-related disease, alopecia, and so forth.

Abstract: Disclosed are a photosensitive resin composition including (A) a binder resin including a cardo-based resin including a repeating unit represented by the following Chemical Formula 1, (B) a photopolymerizable monomer, (C) a photopolymerization initiator, (D) a colorant and (E) a solvent, and a light blocking layer using the same. In the above Chemical Formula 1, each substituent is the same as defined in the detailed description.

Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the Hepatitis C Virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the Hepatitis C Virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.

Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein A, B, B?, X, Y, R1, R1?, R2, R2?, R3, R3?, R5, R5?, R6, m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.

Abstract: The present invention is directed to novel cytotoxic spliceostatin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.

Abstract: The invention provides a compound of formula (Ia), and pharmaceutically acceptable salts thereof. The invention also provides use of the compounds or salts as modulators of Kv3.1 and/or Kv3.2, and in the treatment of diseases or disorders where a modulator of Kv3.1 and/or Kv3.2 is required, such as depression and mood disorders, hearing disorders, schizophrenia, substance abuse disorders, sleep disorders or epilepsy.

Abstract: This invention relates to compounds of formula I their use as inhibitors of the microsomal prostaglandin E2 synthase-1 (mPGES-1), pharmaceutical compositions containing them, and their use as medicaments for the treatment and/or prevention of inflammatory diseases and associated conditions. A, L, M, W, R1, R2, R3, R4, R6, R7, R9, Ra, Rb have meanings given in the description.

Abstract: Process for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives and alkali metal salts and alkaline earth metal salts thereof.

Abstract: The invention is related to anti-viral 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 the field of organic chemistry and in particular to organic free radicals used as polarizing agents in the technique of Dynamic Nuclear Polarization (DNP), which involves transferring the polarization of electron spins to the nuclei of a compound whose Nuclear Magnetic Resonance (NMR) is being observed. It concerns dinitroxide-type biradical polarizing agents characterized by a rigid linkage between the nitroxide units that enables optimal orientation and distance to be maintained between the aminoxyl groups of said nitroxide units. This particular structure enables, at low temperatures and high fields, optimal transfer of polarization and optimal enhancement of NMR/MAS signals of the polarized nuclei of the compound studied.

Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I, wherein variables A1, A3, A4, A5, A6, A8, R2, R7, X, Y and Z of Formula I are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to plaque formation and deposition, resulting from the activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits and impairments, schizophrenia and other central nervous system conditions and disorders. The invention further provides compounds of Formulas II and III, and of sub-formulas of Formulas I, II and III, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III.

Abstract: The invention is related to anti-viral 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 disclosure relates to compounds, compositions and methods for the treatment of hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.

Abstract: The present invention relates to novel compounds of formula (I): as herein described and pharmaceutical compositions thereof. The compounds of formula (I) have inhibitory effect on the Wnt pathway and are therefore useful in the preparation of a medicament, in particular for the treatment of cancer.

Abstract: A one pot process for the synthesis of Irbesartan comprising reacting 2-n-Butyl-1,3-Diazaspiro[4,4]Non-1-en-4-one (Formula III) and Bromomethyl Cyanobiphenyl (Formula IV) in the presence of base and water with the optional use of PTC to give formula II from which Irbesartan is obtained by reacting with sodium azide and triethylamine hydrochloride in the presence of a non polar solvent.

Abstract: The present disclosure provides processes for the preparation of a compound of formula I: which is useful as an antiviral agent. The disclosure also provides compounds that are synthetic intermediates to compounds of formula I.

Abstract: The present disclosure relates to compounds, compositions and methods for the treatment of hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.

Abstract: In its many embodiments, the present invention provides a novel class of biaryl spiroaminooxazoline analogues as modulators of ?2C adrenergic receptor agonists, methods of preparing such compounds, pharmaceutical compositions containing one or more such compounds, methods of preparing pharmaceutical formulations comprising one or more such compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more conditions associated with the ?2C adrenergic receptors using such compounds or pharmaceutical compositions.

Abstract: The present invention relates to bridged spiro[2.4]heptane derivatives of formula (I), wherein W, Y, Z, R1 and R2 are as defined in the description, their preparation and their use as pharmaceutically active compounds as ALX receptor and/or FPRL2 agonists for the treatment of inflammatory and obstructive airways diseases.

Abstract: The present invention is directed to imidazoisoindole compounds which are antagonists of neuropeptide S receptors, and which are useful in the treatment or prevention of neurological and psychiatric disorders and diseases in which the neuropeptide S receptor is involved. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which the neuropeptide S receptor is involved.

Abstract: Disclosed are compounds of Formula III. Also disclosed are salts of the compounds, pharmaceutical composition comprising the compounds or salts, and methods for treating HCV infection by administration of the compounds or salts.

Abstract: The present disclosure is generally directed to antiviral compounds, and more specifically directed to combinations of compounds which can inhibit the function of the NS5A protein encoded by Hepatitis C virus (HCV), compositions comprising such combinations, and methods for inhibiting the function of the NS5A protein.

Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein A, B, B?, X, Y, R1, R1?, R2, R2?, R3, R3?, R5, R5?, R6, m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.

Abstract: The invention is related to anti-viral 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 disclosure relates to compounds, compositions and methods for the treatment of Hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.

Abstract: The present invention relates to a compound of formula (I) as well as pharmaceutically acceptable salt thereof, wherein R1 to R4 have the significance given in claim 1. The compound may be used, for example, for the treatment or prophylaxis of obesity, hyperglycemia, dyslipidemia, and type 1 or type 2 diabetes.

Abstract: Disclosed are compounds of Formula III. Also disclosed are salts of the compounds, pharmaceutical composition comprising the compounds or salts, and methods for treating HCV infection by administration of the compounds or salts.

Abstract: The present invention relates to compounds of the general formula: (I) wherein ring A, ring B, R1, R3, Z, L1, and L2 are selected independently of each other and are as defined herein, to compositions comprising the compounds, and to methods of using the compounds as glucagon receptor antagonists and for the treatment or prevention of type 2 diabetes and conditions related thereto.

Abstract: The present invention relates to compounds of the general formula: wherein ring A, ring B, R1, R3, Z, L1, and L2 are selected independently of each other and are as defined herein, to compositions comprising the compounds, and to methods of using the compounds as glucagon receptor antagonists and for the treatment or prevention of type 2 diabetes and conditions related thereto.

Abstract: The present disclosure relates to compounds, compositions and methods for the treatment of hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.

Abstract: Disclosed are compounds of Formula III. Also disclosed are salts of the compounds, pharmaceutical composition comprising the compounds or salts, and methods for treating HCV infection by administration of the compounds or salts.