- ASK1 INHIBITOR AND PREPARATION METHOD AND USE THEREOF
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The present disclosure relates to a compound as shown in formula (II), a tautomer or a pharmaceutically acceptable salt thereof, and disclosed is the use thereof in preparing a drug for treating an ASK1-associated disease.
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- Synthesis, computational, and spectroscopic analysis of tunable highly fluorescent BN-1,2-azaborine derivatives containing the N-BOH moiety
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Nine new polycyclic aromatic BN-1,2-azaborine analogues containing the N-BOH moiety were synthesized using a convenient two-step, one-pot procedure. Characterization of the prepared compounds show the luminescence wavelength and the quantum yields of the azaborines were tunable by controlling the power and location of the donor and acceptor substituents on the chromophore. UV-visible spectroscopy and density functional theory (DFT) computations revealed that the addition of electron-donating moieties to the isoindolinone hemisphere raised the energy of the HOMO, resulting in the reduction of the HOMO-LUMO gap. The addition of an electron-accepting moiety to the isoindolinone hemisphere and an electron-donating group to the boronic acid hemisphere decreased the HOMO-LUMO gap considerably, leading to emission properties from partial intramolecular charge transfer (ICT) states. The combined effect of an acceptor on the isoindolinone side and a donor on the boronic acid side (strong acceptor-π-donor) gave the most red-shifted absorption. The polycyclic aromatic BN-1,2-azaborines emitted strong fluorescence in solution and in the solid-state with the largest red-shifted emission at 640 nm and a Stokes shift of Δλ = 218 nm, or Δν = 8070 cm-1.
- Saint-Louis, Carl Jacky,Shavnore, Renée N.,McClinton, Caleb D. C.,Wilson, Julie A.,Magill, Lacey L.,Brown, Breanna M.,Lamb, Robert W.,Webster, Charles Edwin,Schrock, Alan K.,Huggins, Michael T.
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p. 10172 - 10183
(2017/12/26)
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- Preparation method for 5-bromoisoindoline hydrochloride
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The invention provides a preparation method for 5-bromoisoindoline hydrochloride. The method comprises the following steps: firstly esterifying 5-bromine-2-methyl benzoic acid, and then brominating methyl NBS, cyclizing and reducing with borane, thereby o
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- 6 - [...] indoline - 1 - one synthetic method
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The invention provides a synthesis method of 6-bromoisoindolinyl-1-one, which comprises the following steps: (a) carrying out substitution reaction on a compound (I) and a bromination reagent in an organic solvent to obtain a compound (IIa)-compound (IIb) mixture; (b) carrying out hydrolysis reaction on the compound (IIa)-compound (IIb) mixture under alkaline conditions, and separating a compound (IIIa) out of the obtained product; (c) carrying out cyclization reaction on the compound (IIIa) in an acidic solution to obtain the compound (IIa); (d) reacting the compound (IIa) and thionyl chloride in an organic solvent under the action of a catalyst to obtain a compound (IV); and (e) carrying out reflux reaction on the compound (IV) in ethanol, and adding ammonia water to react, thereby obtaining the compound (V) 6-bromoisoindolinyl-1-one. The method has the advantages of simple route, controllable conditions and high yield, and can easily implement industrial production. The reaction route of the method is disclosed in the specification.
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- Traceless Directing Group Assisted Cobalt-Catalyzed C?H Carbonylation of Benzylamines
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The first example of cobalt-catalyzed C(sp2)?H carbonylation of benzylamines using a traceless directing group is reported, which was successfully applied to the synthesis of N?unprotected iso-indolinones through direct C?H/N?H bonds activation. This protocol tolerates a variety of functional groups and provides a facile and efficient method for the formal synthesis of (+)-garenoxacin. (Figure presented.).
- Ling, Fei,Ai, Chongren,Lv, Yaping,Zhong, Weihui
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supporting information
p. 3707 - 3712
(2017/10/07)
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- PERFORIN INHIBITING BENZENESULFONAMIDE COMPOUNDS, PREPARATION AND USES THEREOF
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Compounds of formula (la) and pharmaceutically acceptable salts, solvates, and hydrates thereof and related methods of modulatin perforin activity on a cell: wherein Ring A is selected from a 6-10 membered aryl, 5-6 membered cycloalkyi, 5-6 membered heteroaryl or 5-6 membered heterocyclyl, wherein the heteroaryl and heterocyclyl rings comprise at least one heteroatom selected from N, O or S; and wherein the aryl, cycloalkyi, heteroaryl or heterocyclyl rings are optionally substituted with 1 to 3 substituents selected from halo, nitro, -C1-Cealkyl, -C1-Ceaminoalkyl, -C1-C6hydroxyalkyl, -haloC1-C6alkyl, -C1- C6alkoxyl, -haloC1-C6alkyl, -CH2OC(O)CrC6alkyl, -C(O)OC1,-C6alkyI, -NHC(O)C1,-C6alkyl, -NHS(O)2C1- C6alkyl, -S(O)2C1-C6alkyl, -S(O)2NH2, and -C(O)NJJ; Ring B is a 6-10 membered arylene or a 5-6 membered heteroarylene comprising at least one heteroatom selected from N, 0 or S; and wherein the aryl or heteroaryl is optionally, substituted with one or more substituents selected from -NJJ, -OJ, halo,C1 -C6alkyl, -haloC1- C6alkyl, -C1-C6alkoxy, -haloC1-C6alkoxyl, and -C(0)NJJ; Ring C is is selected from a 5-10 membered heteroarylene or a 5-10 membered heterocyclene, each comprising at least one heteroatom selected from N, S and O; Ring D is an optionally substituted benzofused 9-11 membered heterocyclyl or optionally substituted ben2ofused 9-11 membered heteroaryl comprising at least one heteroatom selected from N or O; L is a linker selected from branched and unbranched C1-C4 alkylene, -S(0)2-NH-, -C(0)-NH-, -NH-C(0)-NH-, -S(0)2-NH-C(0)-NH-, -S(0)2-NH-C(0) - and -CH=CH-; wherein Rings B and C, and Rings C and D, are connected to each other via a C-C bond at any of the available C atoms on each respective ring; and J in each occurrence is independently selected from H, optionally substituted C1-C6alkyl or optionally substituted haloC1-C6alkyl.
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Page/Page column 63
(2014/03/25)
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- Synthesis of N-methyl-6-heterocyclic-1-oxoisoindoline derivatives by microwave assisted buchwald-hartwig amination
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An rapid and efficient microwave assisted Pd(II) catalyzed protocol for the preparation of N-methyl-6-heterocyclic-1-oxoisoindoline derivatives by Buchwald-Hartwig amination with an overall yield 68-85% has been described.
- Kishor Kumar,Vijay Kumar,Naik, Nagaraja
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p. 1108 - 1113
(2012/06/15)
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- Convenient access to isoindolinones via carbamoyl radical cyclization. Synthesis of cichorine and 4-hydroxyisoindolin-1-one natural products
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An efficient and convenient access to 2-tert-butylisoindolin-1-ones via an oxidative radical cyclization process from stable carbamoylxanthates, derived from secondary tert-butylamines, is described. The proposed mechanism for this transformation involves, the generation of a carbamoyl radical, its cyclization to the aromatic system, and the dilauroyl peroxide (DLP) mediated rearomatization to generate the isoindolinone ring system. Additionally, the syntheses of cichorine and 4-hydroxyisoindolin-1-one natural products were carried out to underscore the synthetic potential of this xanthate-based carbamoyl radical-oxidative cyclization.
- López-Valdez, Germán,Olguín-Uribe, Simón,Millan-Ortíz, Alejandra,Gamez-Monta?o, Rocio,Miranda, Luis D.
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p. 2693 - 2701
(2011/04/24)
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- MODULATORS OF ATP-BINDING CASSETTE-TRANSPORTERS
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Compounds of the present invention, and pharmaceutically acceptable compositions thereof, are useful as modulators of ATP-Binding Cassette (""ABC"") transporters or fragments thereof, including Cystic Fibrosis Transmembrane Conductance Regulator (""CFTR""). The present invention also relates to methods of treating ABC transporter mediated diseases using compounds of the present invention.
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- New anti-viral drugs for the treatment of the common cold
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Human Rhinovirus (HRV) is the most important aetiologic agent of common cold in adults and children. HRV is a single-stranded, positive sense RNA virus and, despite the high level of conservation among different serotypes, sequence alignment of viral protease 3C with mammalian protease reveals no homology. Thus, protease 3C is an optimal target for the development of anti-HRV agents. In the present work we investigated the design, the synthesis and the development of new potential reversible inhibitors against HRV protease 3C. Docking studies on the crystallized structure of HRV2 protease 3C led us to the design and the synthesis of a series of 3,5 disubstituted benzamides able to act as analogues of the substrate. We also developed 1,3,5 trisubstituted benzamides where aromatic substitutions on the aryl ring led us to investigate the importance of π-π interaction on the stabilization of protease 3C-inhibitor complex. All structures were tested for enzymatic inhibition on HRV14 protease 3C. Results highlighted the inhibitory activity of compounds 13, 14, and 20 (91%, 81%, and 85% at 10 μM, respectively), with the latter exhibiting an ID50 (dose that inhibits 50% of the viral cytopathic effect) on HRV-14 = 25 μg/ml.
- Maugeri, Caterina,Alisi, Maria A.,Apicella, Claudia,Cellai, Luciano,Dragone, Patrizia,Fioravanzo, Elena,Florio, Saverio,Furlotti, Guido,Mangano, Giorgina,Ombrato, Rosella,Luisi, Renzo,Pompei, Raffaello,Rincicotti, Vito,Russo, Vincenzo,Vitiello, Marco,Cazzolla, Nicola
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p. 3091 - 3107
(2008/09/20)
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- 2-METHYLMORPHOLINE PYRIDO-, PYRAZO- AND PYRIMIDO-PYRIMIDINE DERIVATIVES AS MTOR INHIBITORS
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There is provided a compound of Formula (I), or a pharmaceutically acceptable salt thereof. There are also provided processes for the manufacture of a compound of Formula (1), and the use of a compound of Formula (1) as a medicament and in the treatment of cancer
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Page/Page column 117
(2008/06/13)
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- ISOINDOLE DERIVATIVES
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This invention relates to compounds of formula (I) or pharmaceutically acceptable salts thereof, a process of making these compounds, pharmaceutical compositions containing one or more of these compounds or their salts, and their use for the treatment of schizophrenia, bipolar disorder, or other central nervous system disorders.
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Page/Page column 38
(2010/11/30)
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- HYDANTOIN DERIVATIVES FOR THE TREATMENT OF INFLAMMATORY DISORDERS
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This invention relates to compounds of the Formula: (I); or a pharmaceutically acceptable salt, solvate or isomer thereof, which can be useful for the treatment of diseases or conditions mediated by MMPs, ADAMs, TACE, aggrecanase, TNF-α or combinations thereof.
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Page/Page column 160
(2008/06/13)
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- Carbamoyl radicals from carbamoylxanthates: a facile entry into isoindolin-1-ones
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It has been found that carbamoylxanthates derived from secondary t-butyl amines are stable compounds which function as efficient sources of carbamoyl radicals. The carbamoylxanthates derived from t-butylbenzylamines can be efficiently transformed into 2-t
- López-Valdez, Germán,Olguín-Uribe, Simón,Miranda, Luis D.
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p. 8285 - 8289
(2008/03/30)
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- Cognition enhancing derivatives of isoxazole triazoloindane GABA-A alpha 5 receptor subunit ligands
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The present invention relates to compounds of formula I: in which R1 is a linear group or a five membered heterocycle optionally fused to a phenyl ring, R2 is a 5-membered heterocycle, R3 is chosen from a range of substituents, m is 0-3 and n is 0 or 1; the compounds are generally inverse agonists at GABA-A receptors containing the alpha 5 subunit and so are useful in methods of enhancing cognition in subjects with diminished cognition in diseases such as Alzheimer's Disease.
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