Trithiocarbonates: exploration of a new head group for HDAC inhibitors.

abstract：:A versatile route for the synthesis of homochiral alpha-ketoamide analogues of amino acids is described. Incorporation of this functionality into peptide sequences using either solution or solid-phase chemistry resulted in potent inhibitors of the Hepatitis C Virus NS3 proteinase. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Beevers R,Carr MG,Jones PS,Jordan S,Kay PB,Lazell RC,Raynham TM

更新日期：2002-02-25 00:00:00

abstract：:A series of compounds originally derived from the vascular endothelial growth factor receptor tyrosine kinase inhibitor, SU5416, was synthesized and evaluated. The most potent compound in this series, compound 7, structurally resembles the potent anti-microtubule agent Combretastatin A-4, inhibited tubulin polymerizat...

journal_title：Bioorganic & medicinal chemistry letters

authors： Li PK,Xiao Z,Hu Z,Pandit B,Sun Y,Sackett DL,Werbovetz K,Lewis A,Johnsamuel J

更新日期：2005-12-15 00:00:00

abstract：:New inhibitors of histone deacetylase (HDAC) have been synthesized and evaluated for their activity toward non small lung cancer cell line H661. Their design is based on indanone (or tetralone) systems leading to trichostatin A (TSA) analogs with limited conformational mobility. Molecular modelization at the AM1 level...

journal_title：Bioorganic & medicinal chemistry letters

authors： Charrier C,Bertrand P,Gesson JP,Roche J

更新日期：2006-10-15 00:00:00

abstract：:Our series of competitive antagonists against the G-protein coupled receptor P2Y(14) were found to be highly shifted in the presence of serum (>99% protein bound). A binding assay using 2% human serum albumin (HSA) was developed to guide further SAR studies and led to the identification of the zwitterion 2, which is s...

journal_title：Bioorganic & medicinal chemistry letters

authors： Robichaud J,Fournier JF,Gagné S,Gauthier JY,Hamel M,Han Y,Hénault M,Kargman S,Levesque JF,Mamane Y,Mancini J,Morin N,Mulrooney E,Wu J,Black WC

更新日期：2011-07-15 00:00:00

abstract：:To develop more valuable and effective fungicide candidates, a novel series of 3,4-dichloroisothioxazole-based cycloalkylsulfonamides were synthesized and their structures were identified by 1H NMR, 13C NMR, MS and elemental analysis. Compound 3k was further confirmed by X-ray single crystal diffraction. The in vitro ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zhang Y,Wang M,Ahmed M,He L,Ji M,Qi Z,Li X

更新日期：2019-06-01 00:00:00

abstract：:PIM1 is a proto-oncogene encoding the serine/threonine PIM1 kinase. PIM1 kinase plays important roles in regulating aspects of cell cycle progression, apoptosis resistance, and has been implicated in the development of such malignancies as prostate cancer and acute myeloid leukemia among others. Knockout of PIM1 kinas...

journal_title：Bioorganic & medicinal chemistry letters

authors： Schroeder RL,Goyal N,Bratton M,Townley I,Pham NA,Tram P,Stone T,Geathers J,Nguyen K,Sridhar J

更新日期：2016-07-01 00:00:00

abstract：:Various substituted indazole and benzoxazolone amino acids were investigated as d-tyrosine surrogates in highly potent CGRP receptor antagonists. Compound 3, derived from the 7-methylindazole core, afforded a 30-fold increase in CGRP binding potency compared with its unsubstituted indazole analog 1. When dosed at 0.03...

journal_title：Bioorganic & medicinal chemistry letters

authors： Han X,Civiello RL,Conway CM,Cook DA,Davis CD,Degnan AP,Jiang XJ,Macci R,Mathias NR,Moench P,Pin SS,Schartman R,Signor LJ,Thalody G,Tora G,Whiterock V,Xu C,Macor JE,Dubowchik GM

更新日期：2013-03-15 00:00:00

abstract：:Bioassay-guided fractionation of the EtOAc extract of the stem bark of Erythrina abyssinica (Leguminosae) resulted in the isolation of three new (1-3), along with 12 known (4-15) pterocarpan derivatives. Their chemical structures were determined by physicochemical and spectroscopic data analysis (IR, UV, [alpha](D), C...

journal_title：Bioorganic & medicinal chemistry letters

authors： Nguyen PH,Le TV,Thuong PT,Dao TT,Ndinteh DT,Mbafor JT,Kang KW,Oh WK

更新日期：2009-12-01 00:00:00

abstract：:The (S,S,S,R,S,R)-configurated cyclohexadepsipeptides (CHDPs) represent novel enniatin derivatives with strong in vivo activity against the parasitic nematode Haemonchus contortus Rudolphi in sheep. 2D NMR spectroscopic analysis revealed for the major conformation the asymmetric conformer, containing a cis-amide bond ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Jeschke P,Benet-Buchholz J,Harder A,Etzel W,Schindler M,Thielking G

更新日期：2003-10-06 00:00:00

abstract：:The synthesis of the beta-peptide 1 by the postsynthetic modification of the corresponding amino-containing peptide 3 is described. The potential of 1 to act as a template for the ligation of complementary negatively-charged peptides is discussed. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Wen K,Han H,Hoffman TZ,Janda KD,Orgel LE

更新日期：2001-03-12 00:00:00

abstract：:Bis-(aryl)thioureas were found to be potent and selective inhibitors of cytomegalovirus (CMV) in cultured HFF cells. Of these, the thiazole analogue 38 was investigated as a potential development candidate. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Bloom JD,DiGrandi MJ,Dushin RG,Curran KJ,Ross AA,Norton EB,Terefenko E,Jones TR,Feld B,Lang SA

更新日期：2003-09-01 00:00:00

abstract：:We discovered novel pyrrolidine MCHR1 antagonist 1 possessing moderate potency. Profiling of pyrrolidine 1 demonstrated that it was an inhibitor of the hERG channel. Investigation of the structure-activity relationship of this class of pyrrolidines allowed us to optimize the MCHR1 potency and decrease the hERG inhibit...

journal_title：Bioorganic & medicinal chemistry letters

authors： Fox BM,Natero R,Richard K,Connors R,Roveto PM,Beckmann H,Haller K,Golde J,Xiao SH,Kayser F

更新日期：2011-04-15 00:00:00

abstract：:A novel series of non-nucleoside HCV NS5B polymerase inhibitors was prepared from a (2Z)-2-benzoylamino-3-(4-phenoxy-phenyl)-acrylic acid template. Solution and solid phase analog synthesis focused on the northern region of the template combined with structure based design led to the discovery of several potent and or...

journal_title：Bioorganic & medicinal chemistry letters

authors： Pfefferkorn JA,Nugent R,Gross RJ,Greene M,Mitchell MA,Reding MT,Funk LA,Anderson R,Wells PA,Shelly JA,Anstadt R,Finzel BC,Harris MS,Kilkuskie RE,Kopta LA,Schwende FJ

更新日期：2005-06-02 00:00:00

abstract：:Using a phenotypic screening and SAR optimization approach, a phenyl-bis-oxazole derivative has been identified with anti-proliferative activity, optimized with the use of a panel of cancer cell lines. The lead compound was synthesized by means of a short and effective two-step synthesis using Pd-catalyzed direct aryl...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ohnmacht SA,Ciancimino C,Vignaroli G,Gunaratnam M,Neidle S

更新日期：2013-10-01 00:00:00

abstract：:A series of 1-isoquinolinylguanidines are shown to be potent inhibitors of uPA with selectivity over tPA and plasmin. Potency is enhanced by the presence of a 4-halo and a 7-aryl substituent, particularly when substituted by a 3-carboxylic acid group. Compound 13j (UK-356,202) combines excellent potency and selectivit...

journal_title：Bioorganic & medicinal chemistry letters

authors： Barber CG,Dickinson RP,Fish PV

更新日期：2004-06-21 00:00:00

abstract：:Homocereulide, isolated from marine bacterium Bacillus cereus, is an analog of emetic toxin cereulide. There is no report on its structure determination and involvement in B. cereus-associated food poisoning. Homocereulide is a cyclic dodecadepsipeptide composed of l-O-Val-l-Val-d-O-Leu-d-Ala and l-O-allo-Ile-d-Val-d-...

journal_title：Bioorganic & medicinal chemistry letters

authors： Naka T,Hattori Y,Takenaka H,Ohta Y,Kirihata M,Tanimori S

更新日期：2019-03-01 00:00:00

abstract：:From our modulator library an interesting inhibitor of breast cancer resistance protein (BCRP) was identified. Due to its high inhibitory potency, this compound may serve as a promising novel lead for the design of new and potent modulators. This adds a new structural class to the few known highly active BCRP inhibito...

journal_title：Bioorganic & medicinal chemistry letters

authors： Pick A,Müller H,Wiese M

更新日期：2010-01-01 00:00:00

abstract：:The TAIRE family of kinases are an understudied branch of the CDK kinase family, that have been implicated in a number of cancers. This manuscript describes the design, synthesis and SAR of covalent CDK14 inhibitors, culminating in identification of FMF-04-159-2, a potent, covalent CDK14 inhibitor with a TAIRE kinase ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ferguson FM,Doctor ZM,Ficarro SB,Marto JA,Kim ND,Sim T,Gray NS

更新日期：2019-08-01 00:00:00

abstract：:Synthesis and biological evaluation of novel and potent cyclohexylamine-based histamine H3 receptor inverse agonists are described. Compounds in this newly identified series exhibited subnanomolar binding affinities for human receptor and no significant interaction with hERG channel. One derivative (10t) demonstrated ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Labeeuw O,Levoin N,Poupardin-Olivier O,Calmels T,Ligneau X,Berrebi-Bertrand I,Robert P,Lecomte JM,Schwartz JC,Capet M

更新日期：2011-09-15 00:00:00

abstract：:A large database of chemical structures was screened for potential inhibitors of beta-secretase was carried out using in silico multi-filter techniques. Substructure screening, computer-aided ligand docking, binding free energy calculations, and partial interaction energy analyses were performed successively to identi...

journal_title：Bioorganic & medicinal chemistry letters

authors： Fujimoto T,Matsushita Y,Gouda H,Yamaotsu N,Hirono S

更新日期：2008-05-01 00:00:00

abstract：:The stereospecific synthesis of two all-syn-EPA-derived isoprostanes (iPs), 5-epi-8,12-iso-iPF(3alpha)-VI 17 and 8,12-iso-iPF(3alpha)-VI 18, has been accomplished. These two synthetic probes have been used to discover and identify their presence in human urine. The eventual quantitative measurement of these two iPs ma...

journal_title：Bioorganic & medicinal chemistry letters

authors： Chang CT,Patel P,Kang N,Lawson JA,Song WL,Powell WS,FitzGerald GA,Rokach J

更新日期：2008-10-15 00:00:00

abstract：:2-Carboxylbenzaldehyde thiosemicarbazone (HL), and its three lanthanide (III) complexes, LnL(3) x 4H(2)O [Ln(III)=La, Sm, Eu], have been synthesized in water. The complexes were characterized by elemental analyses, molar conductivity and IR spectra. The crystal structure of [Sm(2)L(6)(CH(3)OH)(4)] x 7.5CH(3)OH x 0.5H(...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yang ZY,Wang Y,Wang Y

更新日期：2007-04-01 00:00:00

abstract：:N-13C-methyl-deoxynojirimycin was synthesized and used in isotope-edited NMR studies to probe the binding site of an alpha-glucosidase. Results from this analysis led to the design and preparation of a novel alpha-glucosidase inhibitor, N-glycyl deoxynojirimycin. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hines JV,Chang H,Gerdeman MS,Warn DE

更新日期：1999-05-03 00:00:00

abstract：:The selective serotonin reuptake inhibitors (SSRI) fluoxetine, sertraline and citalopram have been investigated for their ability to activate two carbonic anhydrase (CA) isozymes, hCA I and hCA II, in parallel with two standard activators for which the X-ray structure (in complex with isozyme II) has been resolved: hi...

journal_title：Bioorganic & medicinal chemistry letters

authors： Casini A,Caccia S,Scozzafava A,Supuran CT

更新日期：2003-08-18 00:00:00

abstract：:The X-ray crystal structure for the adduct of human carbonic anhydrase (hCA) II with a topically acting antiglaucoma sulfonamide (the 2-N,N-diethylaminoethylamide of 5-(4-carboxybenzenesulfonamido-1,3,4-thiadiazole-2-sulfonamide), has been resolved at a resolution of 1.6A. This compound is a very potent inhibitor of t...

journal_title：Bioorganic & medicinal chemistry letters

authors： Abbate F,Casini A,Scozzafava A,Supuran CT

更新日期：2004-05-03 00:00:00

abstract：:A novel series of triazole tethered coumarin-benzotriazole hybrids based on donepezil skeleton has been designed and synthesized as multifunctional agents for the treatment of Alzheimer's disease (AD). Among the synthesized compounds 13b showed most potent acetylcholinesterase (AChE) inhibition (IC50 = 0.059 μΜ) with ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Singh A,Sharma S,Arora S,Attri S,Kaur P,Kaur Gulati H,Bhagat K,Kumar N,Singh H,Vir Singh J,Mohinder Singh Bedi P

更新日期：2020-10-15 00:00:00

abstract：:A new class of PARP-1 inhibitors, namely substituted fused uracil derivatives were synthesised. Starting from a derivative with an IC(50)=2microM the chemical optimisation program led to compounds with more than a 100-fold increase in potency (IC(50)<20nM). Additionally, physicochemical and pharmacokinetic properties ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Steinhagen H,Gerisch M,Mittendorf J,Schlemmer KH,Albrecht B

更新日期：2002-11-04 00:00:00

abstract：:Microwave accelerated reaction system (MARS) technology provided a good method to obtain selective and open isoxazole ligands that bind to and inhibit the Sxc- antiporter. The MARS provided numerous advantages, including: shorter time, better yield and higher purity of the product. Of the newly synthesized series of i...

journal_title：Bioorganic & medicinal chemistry letters

authors： Matti AA,Mirzaei J,Rudolph J,Smith SA,Newell JL,Patel SA,Braden MR,Bridges RJ,Natale NR

更新日期：2013-11-01 00:00:00

abstract：:A flexible, direct, high yielding synthesis of 2-alkylsulfanyl estrogens from estrone has been developed. 2-Methylsulfanyl estradiol (2-MeSE2) 7 displays a similar anti-proliferative activity to the established 2-methoxyestradiol (2-MeOE2) 1, whilst its 3-O-sulfamate derivative (2-MeSE2MATE) 9 exhibits greatly enhance...

journal_title：Bioorganic & medicinal chemistry letters

authors： Leese MP,Newman SP,Purohit A,Reed MJ,Potter BV

更新日期：2004-06-21 00:00:00

abstract：:We synthesized calothrixin B using our developed biomimetic method and derived N-alkyl-calothrixins A and B. The in vitro antimalarial activity of the calothrixin derivatives, including calothrixins A and B, against the Plasmodium falciparum FCR-3 strain was evaluated. All test compounds exhibited antimalarial activit...

journal_title：Bioorganic & medicinal chemistry letters

authors： Matsumoto K,Choshi T,Hourai M,Zamami Y,Sasaki K,Abe T,Ishikura M,Hatae N,Iwamura T,Tohyama S,Nobuhiro J,Hibino S

更新日期：2012-07-15 00:00:00