Modulation of binding properties of amphiphilic DNA containing multiple dodecyl phosphotriester linkages to lipid bilayer membrane.

abstract：:Novel 6,8-difluoro-1-alkyl-5-amino-1,4-dihydro-4-oxo-7-{4-substituted piperazin-1-yl}-quinoline-3-carboxylic acids, with the substituents at 4th position of piperazine being -[2(pyridine-4-carbonyl) hydrazono]propyl and -2 [(pyrazine-2-carbonyl) amino] ethyl, were synthesized and evaluated in vivo against Mycobacteriu...

journal_title：Bioorganic & medicinal chemistry letters

authors： Shindikar AV,Viswanathan CL

更新日期：2005-04-01 00:00:00

abstract：:Two substituted biaryl analogues of colchicine and combretastatin A4, readily available through a one-step, protecting group free Suzuki-Miyaura reaction were discovered to exhibit anticancer activity while simultaneously being of low cytotoxicity to noncancerous cell lines. The compounds were shown to initiate apopto...

journal_title：Bioorganic & medicinal chemistry letters

authors： McNulty J,van den Berg S,Ma D,Tarade D,Joshi S,Church J

更新日期：2015-01-01 00:00:00

abstract：:A 1,8-naphthalimide-Cu(II) ensemble was rationally designed and synthesized as a new turn-on fluorescent probe utilizing the 'chemosensing ensemble' method for detections of thiols (Cys, Hcy and GSH) with high selectivity over other α-amino acids at pH 7.4 in organic aqueous media (EtOH/HEPES, v/v=9:1). The recognitio...

journal_title：Bioorganic & medicinal chemistry letters

authors： Shi YG,Yao JH,Duan YL,Mi QL,Chen JH,Xu QQ,Gou GZ,Zhou Y,Zhang JF

更新日期：2013-05-01 00:00:00

abstract：:Ureas derived from two substituted 3-aminopyrrolidine subunits were prepared as constrained analogs of a linear lead compound and tested as antagonists of the MCH(1) receptor. The series was optimized for substitution and stereochemistry to generate a functional antagonist with a K(i) of 3.3 nM and IC(50) of 12 nM (GT...

journal_title：Bioorganic & medicinal chemistry letters

authors： Grey J,Dyck B,Rowbottom MW,Tamiya J,Vickers TD,Zhang M,Zhao L,Heise CE,Schwarz D,Saunders J,Goodfellow VS

更新日期：2005-02-15 00:00:00

abstract：:Phenylpiperazine derivatives were synthesized as dual cytokine regulators with TNF-alpha suppressing and IL-10 augmenting activity. Lead optimization led to compound 5k having the potent regulatory activity and demonstrating remarkable protective effects against the lethal challenge of LPS in mice. suggesting that 5k ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hanano T,Adachi K,Aoki Y,Morimoto H,Naka Y,Hisadome M,Fukuda T,Sumichika H

更新日期：2000-05-01 00:00:00

abstract：:Acetyl CoA carboxylase (ACC) catalyzes the carboxylation of acetyl CoA to form malonyl CoA. In skeletal muscle and heart, malonyl CoA functions to regulate lipid oxidation by inhibition of carnitine palmitoyltransferase-1, an enzyme which controls the entry of long chain fatty acids into mitochondria. We have found th...

journal_title：Bioorganic & medicinal chemistry letters

authors： Seng TW,Skillman TR,Yang N,Hammond C

更新日期：2003-10-06 00:00:00

abstract：:Naturally occurring 8-O-methylated sialic acids, including 8-O-methyl-N-acetylneuraminic acid and 8-O-methyl-N-glycolylneuraminic acid, along with 8-O-methyl-2-keto-3-deoxy-d-glycero-d-galacto-nonulosonic acid (Kdn8Me) and 8-deoxy-Kdn were synthesized from corresponding 5-O-modified six-carbon monosaccharides and pyru...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yu H,Cao H,Tiwari VK,Li Y,Chen X

更新日期：2011-09-01 00:00:00

abstract：:A series of alisol A derivatives were synthesized and evaluated for their anti-hepatitis B virus (HBV) activities and cytotoxicities in vitro. The preliminary investigation demonstrates that simple modifications of the parent structure of alisol A can produce a number of potentially important derivatives against HBV. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zhang Q,Jiang ZY,Luo J,Cheng P,Ma YB,Zhang XM,Zhang FX,Zhou J,Chen JJ

更新日期：2008-08-15 00:00:00

abstract：:Utilizing a combination of high-throughput and multi-step synthesis, SAR in a novel series of M(1) acetylcholine receptor antagonists was rapidly established. The efforts led to the discovery the highly potent M(1) antagonists 6 (VU0431263), and 8f (VU0433670). Functional Schild analysis and radioligand displacement e...

journal_title：Bioorganic & medicinal chemistry letters

authors： Poslusney MS,Sevel C,Utley TJ,Bridges TM,Morrison RD,Kett NR,Sheffler DJ,Niswender CM,Daniels JS,Conn PJ,Lindsley CW,Wood MR

更新日期：2012-11-15 00:00:00

abstract：:Investigations of a biaryl ether scaffold identified tetrahydronaphthalene Raf inhibitors with good in vivo activity; however these compounds had affinity toward the hERG potassium channel. Herein we describe our work to eliminate this hERG activity via alteration of the substituents on the benzoic amide functionality...

journal_title：Bioorganic & medicinal chemistry letters

authors： Huang SC,Adhikari S,Afroze R,Brewer K,Calderwood EF,Chouitar J,England DB,Fisher C,Galvin KM,Gaulin J,Greenspan PD,Harrison SJ,Kim MS,Langston SP,Ma LT,Menon S,Mizutani H,Rezaei M,Smith MD,Zhang DM,Gould AE

更新日期：2016-02-15 00:00:00

abstract：:A series of novel pyrimidone analogues have been designed and synthesized as HIV-1 integrase (IN) inhibitors. This study demonstrated that introducing a substituent in the N1-position of the pyrimidone scaffold does not significantly influence IN inhibitory activity. Molecular docking studies showed these compounds co...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yu S,Sanchez TW,Liu Y,Yin Y,Neamati N,Zhao G

更新日期：2013-11-15 00:00:00

abstract：:The acyloxyalkyl derivatives of a model anti-HBV dinucleotide were synthesized and evaluated as orally bioavailable prodrugs. Our studies have led to the identification of the first orally bioavailable dinucleotide prodrugs for further therapeutic development against the hepatitis B virus (HBV). ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Coughlin JE,Padmanabhan S,Zhang G,Kirk CJ,Govardhan CP,Korba BE,O'Loughlin K,Green CE,Mirsalis J,Morrey JD,Iyer RP

更新日期：2010-03-01 00:00:00

abstract：:In this letter, we describe the first synthesis of two recently isolated flavones 5-carbomethoxymethyl-7-hydroxy-2-pentylchromone (3a), 5-carboethoxymethyl-4',7-dihydroxyflavone (3b) and their derivatives (3c-t), evaluated for their antimicrobial, antioxidant and anticancer activities. Most of the synthesized compound...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kamal A,Murty JN,Viswanath A,Sujitha P,Ganesh Kumar C

更新日期：2012-07-15 00:00:00

abstract：:P2X purinoceptors are ligand-gated ion channels whose endogenous ligand is ATP. Both the P2X(3) and P2X(2/3) receptor subtypes have been shown to play an important role in the regulation of sensory function and dual P2X(3)/P2X(2/3) antagonists offer significant potential for the treatment of pain. A high-throughput sc...

journal_title：Bioorganic & medicinal chemistry letters

authors： Carter DS,Alam M,Cai H,Dillon MP,Ford AP,Gever JR,Jahangir A,Lin C,Moore AG,Wagner PJ,Zhai Y

更新日期：2009-03-15 00:00:00

abstract：:Structural modifications to the peptide deformylase inhibitor BB-3497 are described. In this paper, we describe the initial SAR around this lead for modifications to both the P2' and P3' side chains. Enzyme inhibition and antibacterial activity data revealed that a variety of substituents are tolerated at the P2' and ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Davies SJ,Ayscough AP,Beckett RP,Clements JM,Doel S,Pratt LM,Spavold ZM,Thomas SW,Whittaker M

更新日期：2003-08-18 00:00:00

abstract：:Pretomanid (PA-824) is an important nitroimidazole antitubercular agent in late stage clinical trials. However, pretomanid is limited by poor solubility and high protein binding, which presents opportunities for improvement in its physiochemical properties. Conversely, the oxazolidinone linezolid has excellent physico...

journal_title：Bioorganic & medicinal chemistry letters

authors： Rakesh,Bruhn DF,Scherman MS,Singh AP,Yang L,Liu J,Lenaerts AJ,Lee RE

更新日期：2016-01-15 00:00:00

abstract：:A simple and rapid NMR method is described to determine the logP of pharmaceutical agents. This method is highly versatile and efficient, because it does not require the use of deuterated solvents or the addition of any internal/external standards to the sample. We demonstrate that logP can be accurately measured usin...

journal_title：Bioorganic & medicinal chemistry letters

authors： Mo H,Balko KM,Colby DA

更新日期：2010-11-15 00:00:00

abstract：:Thirty-two new derivatives of cerpegin (1,1,5-trimethylfuro[3,4-c]pyridine-3,4-dione) were designed and synthesized in high yield by a new method, combining several C(1) and N(5) substituents. All compounds were tested for their inhibitory effect on the CT-L, T-L and PA proteolytic activities of a purified mammalian 2...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hovhannisyan A,Pham TH,Bouvier D,Qin L,Melikyan G,Reboud-Ravaux M,Bouvier-Durand M

更新日期：2013-05-01 00:00:00

abstract：:A series of glycosyl-thioureido sulfonamides incorporating glucosamine, galactosamine, and mannosamine tails, and sulfanilamide, halogenosulfanilamide, and metanilamide heads was synthesized. Many of the new compounds showed micromolar-submicromolar affinity for the inhibition of the cytosolic isoforms I and II of the...

journal_title：Bioorganic & medicinal chemistry letters

authors： Smaine FZ,Winum JY,Montero JL,Regainia Z,Vullo D,Scozzafava A,Supuran CT

更新日期：2007-09-15 00:00:00

abstract：:In search of effective antidiabetic agents having therapeutic effect by inhibiting α-glucosidase and preventive effect by scavenging free radicals, Horsfieldia macrobotrys showed promising bioactivity required for the proposed criteria. Bioassay-guided isolation of the stem bark extract resulted in two new arylalkanon...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ramadhan R,Phuwapraisirisan P

更新日期：2015-10-15 00:00:00

abstract：:The vertebrate Cys-loop family of ligand-gated ion channels (LGICs) are comprised of nicotinic acetylcholine (nAChR), serotonin type 3 (5-HT3R), γ-aminobutyric acid (GABAAR), and glycine (GlyR) receptors. Here, we review efforts to discover selective small molecules targeting one or more Cys-loop receptors, with a foc...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sparling BA,DiMauro EF

更新日期：2017-08-01 00:00:00

abstract：:Natural inhibitors of fatty acid synthase (FAS) are emerging as potential therapeutic agents to treat cancer and obesity. The bioassay-guided chemical investigation of the hulls of Garcinia mangostana led to the isolation of 13 phenolic compounds (1-13) mainly including xanthone and benzophenone, in which compounds 7,...

journal_title：Bioorganic & medicinal chemistry letters

authors： Jiang HZ,Quan XF,Tian WX,Hu JM,Wang PC,Huang SZ,Cheng ZQ,Liang WJ,Zhou J,Ma XF,Zhao YX

更新日期：2010-10-15 00:00:00

abstract：:We have discovered that phenyltriazolinone is a novel and potent P1 moiety for coagulation factor Xa. X-ray structures of the inhibitors with a phenyltriazolinone in the P1 position revealed that the side chain of Asp189 has reoriented resulting in a novel S1 binding pocket which is larger in size to accommodate the p...

journal_title：Bioorganic & medicinal chemistry letters

authors： Quan ML,Pinto DJ,Rossi KA,Sheriff S,Alexander RS,Amparo E,Kish K,Knabb RM,Luettgen JM,Morin P,Smallwood A,Woerner FJ,Wexler RR

更新日期：2010-02-15 00:00:00

abstract：:Guided by X-ray crystallography, we have extended the structure-activity relationship (SAR) study on an isoxazole carboxylic acid-based PTP1B inhibitor (1) and more potent and equally selective (>20-fold selectivity over the highly homologous T-cell PTPase, TCPTP) PTP1B inhibitors were identified. Inhibitor 7 demonstr...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zhao H,Liu G,Xin Z,Serby MD,Pei Z,Szczepankiewicz BG,Hajduk PJ,Abad-Zapatero C,Hutchins CW,Lubben TH,Ballaron SJ,Haasch DL,Kaszubska W,Rondinone CM,Trevillyan JM,Jirousek MR

更新日期：2004-11-15 00:00:00

abstract：:Nucleoside analogues are among the most known drugs commonly used in antiviral and anticancer chemotherapies. Among them, those featuring a five-membered ring nucleobase are of utmost interest such as the anti-cancer agent AICAR or the anti-viral drug ribavirin. Despite its low activity in vitro in different cell line...

journal_title：Bioorganic & medicinal chemistry letters

authors： Alaoui S,Dufies M,Driowya M,Demange L,Bougrin K,Robert G,Auberger P,Pagès G,Benhida R

更新日期：2017-05-01 00:00:00

abstract：:The 1,3-dipolar cycloaddition of azomethine ylides derived from substituted isatins and 1,3-thiazolane-4-carboxylic acid to a series of 1-methyl-3,5-bis[(E)-arylmethylidene]-tetrahydro-4(1H)-pyridinones afforded novel spiro-pyrrolothiazoles chemo-, regio- and stereoselectively in quantitative yields. These compounds w...

journal_title：Bioorganic & medicinal chemistry letters

authors： Karthikeyan SV,Bala BD,Raja VP,Perumal S,Yogeeswari P,Sriram D

更新日期：2010-01-01 00:00:00

abstract：:Considering the complex etiology of Alzheimer's disease (AD), multifunctional agents may be beneficial for the treatment of this disease. A series of DL-3-n-butylphthalide-Edaravone hybrids were designed, synthesized and evaluated as novel dual inhibitors of amyloid-β aggregation and monoamine oxidases. Among them, co...

journal_title：Bioorganic & medicinal chemistry letters

authors： Qiang X,Li Y,Yang X,Luo L,Xu R,Zheng Y,Cao Z,Tan Z,Deng Y

更新日期：2017-02-15 00:00:00

abstract：:Structure-activity studies on the oxytocin antagonist 1 (L-371,257; Ki = 9.3 nM) have led to the identification of a related series of compounds containing an ortho-trifluoroethoxyphenylacetyl core which are orally bioavailable and have significantly improved potency in vitro and in vivo, e.g., compound 8 (L-374,943; ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Williams PD,Bock MG,Evans BE,Freidinger RM,Gallicchio SN,Guidotti MT,Jacobson MA,Kuo MS,Levy MR,Lis EV,Michelson SR,Pawluczyk JM,Perlow DS,Pettibone DJ,Quigley AG,Reiss DR,Salvatore C,Stauffer KJ,Woyden CJ

更新日期：1999-05-03 00:00:00

abstract：:Interleukin-2 inducible T-cell kinase (ITK) is a member of the Tec kinase family and is involved with T-cell activation and proliferation. Due to its critical role in acting as a modulator of T-cells, ITK inhibitors could provide a novel route to anti-inflammatory therapy. This work describes the discovery of ITK inhi...

journal_title：Bioorganic & medicinal chemistry letters

authors： Cook BN,Bentzien J,White A,Nemoto PA,Wang J,Man CC,Soleymanzadeh F,Khine HH,Kashem MA,Kugler SZ Jr,Wolak JP,Roth GP,De Lombaert S,Pullen SS,Takahashi H

更新日期：2009-02-01 00:00:00

abstract：:Modification of the major insecticide fipronil (1) by replacing three pyrazole substituents (hydrogen for both cyano and amino and trifluoromethyldiazirinyl for trifluoromethylsulfinyl) gives a candidate photoaffinity probe (3) of high potency (IC(50) 2-28 nM) in blocking the chloride channel of Drosophila and human b...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sirisoma NS,Ratra GS,Tomizawa M,Casida JE

更新日期：2001-11-19 00:00:00