- ROCK INHIBITOR, AND PREPARATION METHOD THEREFOR AND USE THEREOF
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The invention relates to a ROCK inhibitor represented by formula (I), its preparation method and its use. The ROCK inhibitor has excellent ROCK inhibition activity, in particular good selective inhibition on ROCK2 kinase, has good safety and metabolic stability, and has high bioavailability. The process of preparing the ROCK inhibitor is simple, and the ROCK inhibitor is easy to purify, and therefore offers good prospects for application.
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Page/Page column 33
(2022/01/24)
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- Green Synthesis and Antimicrobial Activity of Some Novel N-Arylimidazo[1,2-a]pyrazine-2-Carboxamide Derivatives
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The article deals with the synthesis of some novel N-arylimidazo[1,2-a]pyrazine-2-carboxamides (7a-l) by condensation reaction of imidazo[1,2-a]pyrazine-2-carboxylic acid (5) with different aliphatic/aromatic amines (6a-l) by using 1-methylimidazole, Mukaiyama’s reagent and 2-chloro-1-methylpyridinium iodide under microwave irradiation conditions. A new series of compounds 7 have been prepared from 2-iodopyrazine (1). Compound 1 on purged with ammonia gas in the presence of Cu2O and K2CO3 furnishes pyrazin-2-amine (2), which is treated with ethyl 3-bromo-2-oxopropanoate (3) to produce ethyl imidazo[1,2-a]pyrazine-2-carboxylate (4), which on hydrolysis with NaOH yields imidazo[1,2-a]pyrazine-2-carboxylic acid (5). The structures of the newly synthesized compounds have been elucidated on the basis of spectral (IR, 1H and 13C NMR and MS) and analytical data. Compounds 7a-l have also been screened for their antimicrobial activity. Some of the compounds exhibit promising antimicrobial activity.
- Jyothi, Boggavarapu,Madhavi, Nannapaneni
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- HETEROCYCLIC COMPOUNDS AS PRMT5 INHIBITORS
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The compounds of Formula I, Formula Ia, and Formula Ib are described herein along with their analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites, and prodrugs thereof. These compounds inhibit PRMT5 and are useful as therpeautic or ameliorating agent for diseases that are involved in cellular growth such as malignant tumors, schizophrenia, Alzheimer's disease, Parkinson's disease and the like.
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Paragraph 000239
(2019/06/11)
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- HETERO-HALO INHIBITORS OF HISTONE DEACETYLASE
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This invention provides compounds that are inhibitors of HDAC2. The compounds (e.g., compounds according to Formula I, II or any of Compounds 100-128 or any of those in Tables 2 or 3) accordingly are useful for treating, alleviating, or preventing a condition in a subject such as a neurological disorder, memory or cognitive function disorder or impairment, extinction learning disorder, fungal disease or infection, inflammatory disease, hematological disease, or neoplastic disease, or for improving memory or treating, alleviating, or preventing memory loss or impairment.
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Paragraph 496
(2017/01/26)
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- SUBSTITUTED HETEROCYCLIC COMPOUNDS AS TROPOMYOSIN RECEPTOR KINASE A (TRKA) INHIBITORS
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The present application relates to a series of substituted pyrazolo[1,5-a]pyridine compounds, their use as tropomyosin receptor kinase (Trk) family protein kinase inhibitors, method of making and pharmaceutical compositions comprising such compounds.
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Paragraph 0605 - 0607
(2015/02/05)
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- Design, synthesis, and structure-activity relationship studies of novel fused heterocycles-linked triazoles with good activity and water solubility
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Triazoles with fused-heterocycle nuclei were designed and evaluated for their in vitro activity on the basis of the binding mode of albaconazole using molecular docking, along with SAR of antifungal triazoles. Tetrahydro-[1,2,4] triazolo[1,5-a]pyrazine and tetrahydro-thiazolo[5,4-c]pyridine nuclei were preferable to the other four fused-heterocycle nuclei investigated. Potent in vitro activity, broad spectrum and better water solubility were attained when triazoles containing nitrogen aromatic heterocycles were attached to these two nuclei. The most potent compounds 27aa and 45x, with low hERG inhibition and hepatocyte toxicity, both exhibited excellent activity against Candida, Cryptococcus, and Aspergillus spp., as well as selected fluconazole-resistant strains. A high water-soluble compound 58 (the disulfate salt of 45x) displayed unsatisfactory in vivo activity because of its poor PK profiles. Mice infected with C.alb. SC5314 and C.alb. 103 (fluconazole-resistant strain) and administered with 27aa displayed significantly improved survival rates. 27aa also showed favorable pharmacokinetic (PK) profiles.
- Cao, Xufeng,Sun, Zhaoshuan,Cao, Yongbing,Wang, Ruilian,Cai, Tongkai,Chu, Wenjing,Hu, Wenhao,Yang, Yushe
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supporting information
p. 3687 - 3706
(2014/05/20)
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- Scaffold hopping approach to a new series of smoothened antagonists
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The hedgehog (Hh) signaling pathway is a key regulator during embryonic development, while in adults, it has limited functions such as stem cell maintenance and tissue repair. The aberrant activity of the Hh signaling in adults has been linked to numerous human cancers. Inhibition of Hh signaling therefore represents a promising approach toward novel anticancer therapies. The Smoothened (Smo) receptor mediates Hh signaling. Here we report a new series of Smo antagonists which were obtained by a scaffold hopping strategy. Compounds from this new scaffold demonstrated decent inhibition of Hh pathway signaling. The new scaffold can serve as a starting point for further optimization.
- Lu, Wenfeng,Geng, Delong,Sun, Zhijian,Yang, Zhaohui,Ma, Haikuo,Zheng, Jiyue,Zhang, Xiaohu
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p. 2300 - 2304
(2014/05/20)
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- HEDGEHOG PATHWAY SIGNALING INHIBITORS AND THERAPEUTIC APPLICATIONS THEREOF
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The hedgehog (Hh) signaling pathway is a pathway which regulates patterning, growth and cell migration during embryonic development, but in adulthood is limited to tissue maintenance and repair. Mutational inactivation of the inhibitory pathway components leads to constitutive ligand-independent activation of the Hh signaling pathway, results in cancers such as basal cell carcinoma and medulloblastoma. Ligand-dependent activation of Hh signaling is involved in prostate cancer, pancreatic cancer, breast cancer and blood cancers. Therefore, inhibition of the aberrant Hh signaling represents a promising approach toward novel anticancer therapy. The invention provides novel molecules of formula I that inhibit hedgehog pathway signaling and provides therapeutic applications for the treatment of malignancies (basal cell carcinoma, medulloblastoma, glioblastoma, non-small cell lung cancer, prostate cancer, pancreatic cancer, blood cancers, mesenchymal cancers, etc.), prevention of tumor regrowth, sensitization of radio-chemo therapies, and other diseases (inflammation, fibrosis and immune disorders).
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Paragraph 0077; 0078
(2014/08/06)
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- BENZODIOXANE INHIBITORS OF LEUKOTRIENE PRODUCTION FOR COMBINATION THERAPY
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The present invention relates to a combination comprising compounds of formula (I): wherein R1 to R3, A, X and n are as defined herein, and an additional active agent. The present invention also relates to pharmaceutical compositions comprising these combinations, and methods of using these combinations to treat various diseases and disorders.
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Paragraph 0344
(2013/09/26)
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- BENZODIOXANES FOR INHIBITING LEUKOTRIENE PRODUCTION
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The present invention relates to compounds of formula (I) wherein R1 to R3, A, X and n are as defined herein. The compounds of formula (I) are useful as inhibitors of leukotriene A4 hydrolase (LTA4H) and treating LTA4H related disorder. The present invention also relates to pharmaceutical compositions comprising the compounds of formula (I), methods of using these compounds in the treatment of various diseases and disorders, and processes for preparing these compounds.
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Page/Page column 96
(2013/09/26)
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- Substituted Sulfonamide Compounds
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Substituted sulfonamide compounds corresponding to the formula I wherein m, n, p, Q, R1, R2, R3, R4, X, Y and Z have the respective meanings defined herein, pharmaceutical compositions containing such compounds, a process for their preparation, and the use of such compounds for the treatment and/or inhibition of pain and other conditions mediated by bradykinin receptor 1 (B1R) and/or bradykinin receptor 2 (B2R).
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Page/Page column 45-46
(2009/07/25)
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- SUBSTITUTED SULFONAMIDE DERIVATIVES
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The invention relates to substituted sulfonamide derivatives of the general formula (I'); processes for their preparation, medicaments containing these compounds, and the use of substituted sulfonamide derivatives for the preparation of medicaments
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Page/Page column 134
(2009/08/16)
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- Structure-activity relationship of 6-methylidene penems bearing 6,5 bicyclic heterocycles as broad-spectrum β-lactamase inhibitors: Evidence for 1,4-thiazepine intermediates with C7 R stereochemistry by computational methods
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The design and synthesis of a series of 6-methylidene penems containing [6,5]-fused bicycles (thiophene, imidazole, or pyrazle-fused system) as novel class A, B, and C β-lactamase inhibitors is described. These penems proved to be potent inhibitors of the TEM-1 (class A) and AmpC (class C) β-lactamases and less so against the class B metallo-β-lactamase CcrA. Their in vitro and in vivo activities in combination with piperacillin are discussed. On the basis of the crystallographic structures of a serine-bound reaction intermediate of 2 with SHV-1 (class A) and GC1 (class C) enzymes, compounds 14a-1 were designed and synthesized. Penems are proposed to form a seven-membered 1,4 thiazepine ring in both class A and C β-lactamases. The interaction energy calculation for the enzyme-bound intermediates favor the formation of the C7 R enantiomer over the S enantiomer of the 1,4-thiazepine in both β-lactamases, which is consistent with those obtained from the crystal structure of 2 with SHV-1 and GC1.
- Venkatesan, Aranapakam M.,Agarwal, Atul,Abe, Takao,Ushirogochi, Hideki,Yamamura, Itsuka,Ado, Mihira,Tsuyoshi, Takasaki,Dos Santos, Osvaldo,Gu, Yansong,Sum, Fuk-Wah,Li, Zhong,Francisco, Gerry,Lin, Yang-I.,Petersen, Peter J.,Yang, Youjun,Kumagai, Toshio,Weiss, William J.,Shlaes, David M.,Knox, James R.,Mansour, Tarek S.
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p. 4623 - 4637
(2007/10/03)
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- Bicyclic 6-alkylidene-penems as class-D beta-lactamases inhibitors
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This invention relates to certain bicyclic 6-alkylidene penems which act as a inhibitor of class-D enzymes. β-Lactamases hydrolyze β-lactam antibiotics, and as such serve as the primary cause of bacterial resistance. The compounds of the present invention when combined with β-lactam antibiotics will provide an effective treatment against life threatening bacterial infections. In accordance with the present invention there are provided compounds of general formula I or a pharmaceutically acceptable salt or in vivo hydrolyzable ester R5 thereof: wherein: One of A and B denotes hydrogen and the other an optionally substituted fused bicyclic heteroaryl group; and X═O or S.
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Page/Page column 12
(2010/11/25)
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- KINASE INHIBITORS AS THERAPEUTIC AGENTS
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A compound or pharmaceutically acceptable salts thereof of Formula (I) wherein the substituents are as defined herein, which are useful as kinase inhibitors.
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Page/Page column 322
(2010/02/14)
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- Process for preparing 6-alkylidene penem derivatives
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The present invention provides a process of making compounds of formula I, which are useful for the treatment of bacterial infection or disease.
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- 3-AMINO-4-PHENYLBUTANOIC ACID DERIVATIVES AS DIPEPTIDYL PEPTIDASE INHIBITORS FOR THE TREATMENT OR PREVENTION OF DIABETES
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The present invention is directed to 3-amino-4-phenylbutanoic acid derivatives which are inhibitors of the dipeptidyl peptidase-IV enzyme ("DP-IV inhibitors") and which are useful in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as diabetes and particularly type 2 diabetes. 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 dipeptidyl peptidase-IV enzyme is involved.
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Page/Page column 57
(2010/02/07)
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- BICYCLIC 6-ALKYLIDENE-PENEMS AS ?-LACTAMASES INHIBITORS
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The present invention provides a compound of Formula (I), pharmaceutical compositions and the use thereof for the treatment of bacterial infection or disease in a patient in need thereof.
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Page/Page column 50
(2008/06/13)
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- PROCESS FOR PREPARING 6-ALKYLIDENE PENEM DERIVATIVES
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The present invention provides a process of making compounds of Formula (I), which are useful for the treatment of bacterial infection or disease.
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Page/Page column 68-69
(2010/02/07)
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- 8-alkylaminoimidazo(1,2-a)pyrazines and derivatives, their preparation and their application in therapy
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STR1 Novel 8-alkylamino-imidazo(1,2-a)pyrazines of formula (I) show advantages pharmacological activities. They can be used for medical products in human and veterinary therapy in the field of applications of antispasmodics, uterine relaxants, bronchodila
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- Synthesis of imidazo[1,2-a]pyrazine derivatives with uterine-relaxing, antibronchospastic, and cardiac-stimulating properties
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A series of imidazo[1,2-a]pyrazine derivatives was synthesized by condensation of α-halogenocarbonyl compounds and aminopyrazines. Various compounds resulted from competitive reactions or reagent isomerization and demonstrated in vitro uterine-relaxing and in vivo antibronchospastic activities. On isolated atria, 5-bromoimidazo[1,2-a]pyrazine showed positive chronotropic and inotropic properties; the latter was associated with an increase in the cyclic AMP tissue concentration. Potentiation of the isoproterenol positive inotropic effect of 5-bromoimidazo[1,2-a]pyrazine and the lack of blockade of the 5-bromoimidazo[1,2-a]pyrazine positive inotropic effect by propranolol suggested phosphodiesterase-inhibiting properties.
- Sablayrolles,Cros,Milhavet,Rechenq,Chapat,Boucard,Serrano,McNeill
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p. 206 - 212
(2007/10/02)
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- Derives N-nitres et N-nitroses en serie tetrahydro-5,6,7,8 imidazopyrazinique : obtention et determination par RMN 1H des configurations Z et E.
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Les derives N-nitres et N-nitroses en serie tetrahydro-5,6,7,8 imidazopyrazinique sont obtenus simultanement lors de la nitration par HNO3 (d = 1.51) en milieu sulfurique.L'analyse des isomeres N-nitroses Z et E met en evidence l'apparition preponderante de la forme Z ainsi qu'une restriction importante a son equilibration.La stabilite particuliere de l'isomere Z est attribuee a l'existence d'une assistance electronique preferentielle entre groupement nitroso et protons en position 8.
- Bonnet, Pierre-Antoine,Sablayrolles, Claire,Chapat, Jean-Pierre
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p. 468 - 480
(2007/10/02)
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- Imidazo[1,2-a]pyrazine-2 carboxyamidrazones: Synthesis and antibacterial activity
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Fifteen new amidrazones, derivatives of imidazo[1,2-a]pyrazine, are prepared and tested for antimycobacteria and antibacteria potencies. Some substitutions enhance the activity of imidazo[1,2-a]pyrazine-2-amidrazone against tuberculous mycobacteria. One c
- Bonnet,Sablayrolles,Chapat,et al.
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p. 413 - 417
(2007/10/02)
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