22761-00-8Relevant academic research and scientific papers
Discovery and Development of Small-Molecule Inhibitors of Glycogen Synthase
Tang, Buyun,Frasinyuk, Mykhaylo S.,Chikwana, Vimbai M.,Mahalingan, Krishna K.,Morgan, Cynthia A.,Segvich, Dyann M.,Bondarenko, Svitlana P.,Mrug, Galyna P.,Wyrebek, Przemyslaw,Watt, David S.,Depaoli-Roach, Anna A.,Roach, Peter J.,Hurley, Thomas D.
, p. 3538 - 3551 (2020/04/30)
The overaccumulation of glycogen appears as a hallmark in various glycogen storage diseases (GSDs), including Pompe, Cori, Andersen, and Lafora disease. Accumulating evidence suggests that suppression of glycogen accumulation represents a potential therapeutic approach for treating these GSDs. Using a fluorescence polarization assay designed to screen for inhibitors of the key glycogen synthetic enzyme, glycogen synthase (GS), we identified a substituted imidazole, (rac)-2-methoxy-4-(1-(2-(1-methylpyrrolidin-2-yl)ethyl)-4-phenyl-1H-imidazol-5-yl)phenol (H23), as a first-in-class inhibitor for yeast GS 2 (yGsy2p). Data from X-ray crystallography at 2.85 ?, as well as kinetic data, revealed that H23 bound within the uridine diphosphate glucose binding pocket of yGsy2p. The high conservation of residues between human and yeast GS in direct contact with H23 informed the development of around 500 H23 analogs. These analogs produced a structure-activity relationship profile that led to the identification of a substituted pyrazole, 4-(4-(4-hydroxyphenyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl)pyrogallol, with a 300-fold improved potency against human GS. These substituted pyrazoles possess a promising scaffold for drug development efforts targeting GS activity in GSDs associated with excess glycogen accumulation.
A Concise Approach to Oxo-Dehydrorotenoid by Direct Lactonization and the Total Syntheses of Stemonone, Rotenonone, 6-Oxo-dehydroelliptone, and 6-Oxo-6a,12a-dehydrodeguelin
Boonsombat, Jutatip,Thongnest, Sanit,Ruchirawat, Somsak
supporting information, p. 2971 - 2983 (2019/03/27)
An approach to construct the oxo-dehydrorotenoids via direct lactonization of isoflavone-2-carboxylic acids is reported. The present reaction proceeds smoothly with good substrate scope and an operationally simple protocol. The application of this method
A mild and efficient protocol to synthesize chromones, isoflavones, and homoisoflavones using the complex 2,4,6-trichloro-1,3,5-triazine/ dimethylformamide
Basha, G. Mahaboob,Yadav, S. Kumar,Srinuvasarao,Prasanthi,Ramu,Mangarao,Siddaiah
, p. 763 - 768 (2013/08/23)
A mild and efficient one-flask method has been developed for the synthesis of chromones, isoflavones, and homoisoflavones from 2-hydroxyacetophenones, deoxybenzoins, and dihydrochalcones, respectively, via one-carbon extension using the complex 2,4,6-trichloro-1,3,5-triazine/dimethylformamide. Deoxybenzoins and dihydrochalcones were prepared in situ by the reaction of readily available substituted phenols with phenylacetic acids and 3-phenylpropanoic acids, respectively. This method allows the synthesis of a wide range of compounds with multiple phenolic hydroxyls and other substituents. The methodology has been applied to the synthesis of three naturally occurring isoflavones such as formononetin (9c), daidzein (9d), and retusin (9h).
Isoflavans derivatives as inhibitors of soybean lipoxygenase: In-vitro and docking studies
Mascayano, Carolina,Rezende, Marcos Caroli,Rivera, Yenifer,Espinosa, Victoria
body text, p. 935 - 937 (2012/05/05)
The lipoxygenases (LOX) are a family of non-heme iron-containing dioxygenases which catalyze the stereospecific insertion of molecular oxygen into arachidonic acid, leading to hydroxy derivatives as end products. In this work, we studied the behavior of s
Synthesis and structure-activity relationship study of deoxybenzoins on relaxing effects of porcine coronary artery
Lu, Tzy-Ming,Kuo, Daih-Huang,Ko, Horng-Huey,Ng, Lean-Teik
experimental part, p. 10027 - 10032 (2011/05/17)
Deoxybenzoins are potent antioxidants and tyrosinase inhibitors with potential to be developed as food preservatives and cosmetic ingredients. To explore the potential in cardiovascular protection, 25 polyphenolic deoxybenzoins were synthesized and evaluated for inhibitory effects on KCl-induced porcine coronary arterial contraction. The results revealed deoxybenzoins are significant inhibitors of KCl-induced arterial contraction. Among those synthesized, two-thirds of the deoxybenzoins exhibited moderate to good efficacy on relaxing contracted artery including 2,4-dihydroxydeoxybenzoin with EC50 = 3.30 μM (Emax = 100%, n = 7) and 2,4-dihydroxy-4′-methoxydeoxybenzoin EC50 = 3.70 μM (E max = 100%, n = 5). Deoxybenzoins displayed an endothelium-dependent relaxing manner on the contracted artery; the contractile responses of neither endothelium denuded nor L-NAME deactivated rings were inhibited. The structure-activity relationships of deoxybenzoin on arterial relaxing effects concluded that the 2,4-dihydroxylated deoxybenzoins presented a potential vascular relaxing pharmacophore, with favoring substitution on ring B in the order of H ≤ p-OMe > p-OH > o-OMe > m,p-diOMe ≤ m-OMe.
Discovery of novel 2′,3′,4′-trihydroxy-2- phenylacetophenone derivatives as anti-gram-positive antibacterial agents
Goto, Hideyuki,Kumada, Yuji,Ashida, Hitoshi,Yoshida, Ken-Ichi
experimental part, p. 124 - 128 (2009/05/30)
A number of 2′,3′,4′-trihydroxy-2-phenylacetophenone derivatives were synthesized and examined for growth inhibition of several kinds of bacteria. 2′,3′,4′-Trihydroxy-2-phenylacetophenone itself exhibited no antibacterial activity, but some of its derivat
Structure-activity relationship studies of flavonoids as potent inhibitors of human platelet 12-hLO, reticulocyte 15-hLO-1, and prostate epithelial 15-hLO-2
Vasquez-Martinez, Yesseny,Ohri, Rachana V.,Kenyon, Victor,Holman, Theodore R.,Sepulveda-Boza, Silvia
, p. 7408 - 7425 (2008/09/18)
Human lipoxygenase (hLO) isozymes have been implicated in a number of disease states and have attracted much attention with respect to their inhibition. One class of inhibitors, the flavonoids, have been shown to be potent lipoxygenase inhibitors but their study has been restricted to those compounds found in nature, which have limited structural variability. We have therefore carried out a comprehensive study to determine the structural requirements for flavonoid potency and selectivity against platelet 12-hLO, reticulocyte 15-hLO-1, and prostate epithelial 15-hLO-2. We conclude from this study that catechols are essential for high potency, that isoflavones and isoflavanones tend to select against 12-hLO, that isoflavans tend to select against 15-hLO-1, but few flavonoids target 15-hLO-2.
Synthetic analogs of xanthocercin
Otsalyuk,Tkachuk,Bondarenko,Chkhalo,Khilya
, p. 284 - 288 (2007/10/03)
Synthetic analogs of xanthocercin in the molecules of which benzodioxole, benzodioxane, or benzodioxepane fragments are annellated to a γ-pyrone ring have been obtained. The structures of the new compounds have been confirmed by analytical and spectral re
