Estrogen receptor ligands. Part 10: Chromanes: old scaffolds for new SERAMs.

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 efficient synthesis of an enzyme cleavable biotinylated diazirinyl photoaffinity ligand is described to allow the effective manipulation of the photolabeled biocomponents. The compound contains a glutamic acid gamma-methyl ester, which is a precursor of the substrate for V8 protease, between the diazirinyl photoph...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hashimoto M,Okamoto S,Nabeta K,Hatanaka Y

更新日期：2004-05-17 00:00:00

abstract：:Bis(mu-hydroxo)diiron(III) complex, [Fe2III(mu-OH)2(NE)2](NO3)2 x 3H2O (3) (N-(4-nitro-2-hydroxy)phenylmethyl-N-(2-pyridylethyl)-N-(2-pyridylmethyl)amine = HNE, where H denotes a dissociable proton of the p-nitrophenol group), has been prepared and characterized by X-ray crystallography, electronic and magnetic spectr...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kurosaki H,Yoshida H,Ito M,Koike H,Higuchi E,Goto M

更新日期：2001-03-26 00:00:00

abstract：:In the previous article we demonstrated how certain CCK2R-selective anthranilic amides could be structurally modified to afford high-affinity, selective CCK1R activity. We now describe our efforts at modulating and optimizing the CCK1R and CCK2R affinities aimed at producing compounds with good pharmacokinetics proper...

journal_title：Bioorganic & medicinal chemistry letters

authors： Pippel M,Boyce K,Venkatesan H,Phuong VK,Yan W,Barrett TD,Lagaud G,Li L,Morton MF,Prendergast C,Wu X,Shankley NP,Rabinowitz MH

更新日期：2009-11-15 00:00:00

abstract：:Based on previous modeling predictions, a series of (3-substituted-5-chloro-2-pyridinyl)guanidines have been designed with good potency and selectivity for urokinase-type plasminogen activator (uPA). Compound 36 has a K(i) of 0.17 microM and greater than 300-fold selectivity with respect to tPA and plasmin. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Barber CG,Dickinson RP

更新日期：2002-01-21 00:00:00

abstract：:During the course of our investigations in the field of azole antimicrobial agents, we have identified BM212 a pyrrole derivative with good in vitro activity against mycobacteria and candidae. These findings prompted us to prepare new pyrrole derivatives 2-6 in the hope of increasing the activity. The microbiological ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Biava M,Fioravanti R,Porretta GC,Deidda D,Maullu C,Pompei R

更新日期：1999-10-18 00:00:00

abstract：:This communication describes the synthesis and in vitro biological evaluation of novel generation 5 PAMAM dendrimers conjugated with riboflavin as a targeting ligand. Cell-based experiments demonstrated that a dendrimer conjugated with riboflavin is able to undergo cellular binding and uptake in KB cells, and when the...

journal_title：Bioorganic & medicinal chemistry letters

authors： Thomas TP,Choi SK,Li MH,Kotlyar A,Baker JR Jr

更新日期：2010-09-01 00:00:00

abstract：:The elongation condensing enzymes in the bacterial fatty acid biosynthesis pathway represent desirable targets for the design of novel, broad-spectrum antimicrobial agents. A series of substituted benzoxazolinones was identified in this study as a novel class of elongation condensing enzyme (FabB and FabF) inhibitors ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zheng Z,Parsons JB,Tangallapally R,Zhang W,Rock CO,Lee RE

更新日期：2014-06-01 00:00:00

abstract：:Peptide-based alpha-ketoamides, alpha-ketoesters and alpha-diketones were designed, synthesized and evaluated against HCV NS3 protease. Alpha-ketoamides have the highest affinity among the three classes, with 8 being the most potent inhibitor with an IC50 of 340 nM. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Han W,Hu Z,Jiang X,Decicco CP

更新日期：2000-04-17 00:00:00

abstract：:The discovery and optimization of a novel series of prolinol-derived GHSR agonists is described. This series emerged from a 11,520-member solid-phase library targeting the GPCR protein superfamily, and the rapid optimization of low micromolar hits into single-digit nanomolar leads can be attributed to the solid-phase ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zhai W,Flynn N,Longhi DA,Tino JA,Murphy BJ,Slusarchyk D,Gordon DA,Pendri A,Shi S,Stoffel R,Ma B,Sofia MJ,Gerritz SW

更新日期：2008-09-15 00:00:00

abstract：:The synthesis of a 20 member 2-aminoimidazole/triazole pilot library is reported. Each member of the library was screened for its ability to inhibit or promote biofilm development of either Escherichia coli and Acinetobacter baumannii. From this screen, E. coli-selective 2-aminoimidazoles were discovered, with the bes...

journal_title：Bioorganic & medicinal chemistry letters

authors： Reed CS,Huigens RW 3rd,Rogers SA,Melander C

更新日期：2010-11-01 00:00:00

abstract：:A series of conformationally constrained 3-(N-alkylamino)propylphosphonic acids were systematically synthesized and their activities as S1P receptor agonists were evaluated. Several pyrrolidine and cyclohexane analogs had S1P receptor profiles comparable to the acyclic lead compound, 3-(N-tetradecylamino)propylphospho...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yan L,Hale JJ,Lynch CL,Budhu R,Gentry A,Mills SG,Hajdu R,Keohane CA,Rosenbach MJ,Milligan JA,Shei GJ,Chrebet G,Bergstrom J,Card D,Rosen H,Mandala SM

更新日期：2004-10-04 00:00:00

abstract：:Pinostrobin (5-hydroxy-7-methoxyflavanone) obtained in relatively large amounts from fingerroot (Boesenbergia pandurata) was converted to its C-6 and C-8 prenylated derivatives. The Mitsunobu reaction, europium(III)-catalyzed Claisen-Cope rearrangement, and Claisen reaction coupled with cross-metathesis were used as t...

journal_title：Bioorganic & medicinal chemistry letters

authors： Poerwono H,Sasaki S,Hattori Y,Higashiyama K

更新日期：2010-04-01 00:00:00

abstract：:Modification of the biphenyl portion of MMP inhibitor 2a gave analogue 2i which is greater than 1000-fold selective against MMP-2 versus MMP-1. The stereospecific synthesis of both enantiomers of 2i was achieved beginning with (S)- or (R)-benzyl glycidyl ether. The (S)-enantiomer, 11 (ABT-770), is orally bioavailable ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Curtin ML,Florjancic AS,Heyman HR,Michaelides MR,Garland RB,Holms JH,Steinman DH,Dellaria JF,Gong J,Wada CK,Guo Y,Elmore IB,Tapang P,Albert DH,Magoc TJ,Marcotte PA,Bouska JJ,Goodfellow CL,Bauch JL,Marsh KC,Morgan

更新日期：2001-06-18 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：:Prodrug esters of the indolocarbazole CEP-751 (KT-6587) were prepared with the goal of identifying water soluble, stable but cleavable forms for intravenous dosing. A dipeptide proform Lys-beta-Ala (16, CEP-2563/KT-8391) was identified for advancement to clinical trials. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hudkins RL,Iqbal M,Park CH,Goldstein J,Herman JL,Shek E,Murakata C,Mallamo JP

更新日期：1998-07-21 00:00:00

abstract：:A series of new peptoids as endothelin receptor antagonists has been synthesized. Screening them for their ability to bind with endothelin receptors (ET(A) and ET(B)) competitively in the presence of (125I) endothelin led to the discovery of compounds as possible leads with IC50s in the low micromolar concentrations. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Dasgupta F,Gangadhar N,Bruhaspathy M,Verma AK,Sarin S,Mukherjee AK

更新日期：2001-02-26 00:00:00

abstract：:Sulfonamide linker-based inhibitors with extended linear structure were designed and synthesized with the aim of producing multifunctional agents against several processes involved in the pathology of Alzheimer's disease (AD). The potency of the compounds were assessed in the inhibition of Aβ self-assembly (fibril and...

journal_title：Bioorganic & medicinal chemistry letters

authors： Bag S,Tulsan R,Sood A,Cho H,Redjeb H,Zhou W,LeVine H 3rd,Török B,Török M

更新日期：2015-02-01 00:00:00

abstract：:The design and synthesis of macrocyclic inhibitors of human rhinovirus 3C protease is described. A macrocyclic linkage of the P1 and P3 residues, and the subsequent structure-based optimization of the macrocycle conformation and size led to the identification of a potent biochemical inhibitor 10 with sub-micromolar an...

journal_title：Bioorganic & medicinal chemistry letters

authors： Namoto K,Sirockin F,Sellner H,Wiesmann C,Villard F,Moreau RJ,Valeur E,Paulding SC,Schleeger S,Schipp K,Loup J,Andrews L,Swale R,Robinson M,Farady CJ

更新日期：2018-03-01 00:00:00

abstract：:Two cyclopropanecarbonyl derivatives were independently found to be 15 and 14 times more potent than the corresponding isopropylcarbonyl analogues as inhibitors of 4-hydroxyphenylpyruvate dioxygenase and dihydroorotate dehydrogenase, respectively. A thorough examination of the co-crystal structures of available enzyme...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kuo PY,Shie TL,Chen YS,Lai JT,Yang DY

更新日期：2006-12-01 00:00:00

abstract：:Seventy-two novel 1,3,4-oxadiazole thioether derivatives containing different flexible-chain moieties were designed and synthesized. The nematicidal activities of all the title compounds were evaluated, and some compounds showed excellent nematicidal activities against citrus nematodes. The compounds 15, 16, 18, 27, 4...

journal_title：Bioorganic & medicinal chemistry letters

authors： Chen J,Wei C,Wu S,Luo Y,Wu R,Hu D,Song B

更新日期：2020-04-15 00:00:00

abstract：:Atropisomerism is stereochemistry arising from restricted bond rotation that creates a chiral axis. Atropisomers are subject to time-dependent inversion of chirality via bond rotation, a property which in drug molecules introduces complexity and challenges for drug discovery and development processes. Greater recognit...

journal_title：Bioorganic & medicinal chemistry letters

authors： Glunz PW

更新日期：2018-01-15 00:00:00

abstract：:Our first generation of hydroxyethylamine BACE-1 inhibitors proved unlikely to provide molecules that would lower amyloid in an animal model at low oral doses. This observation led us to the discovery of a second generation of inhibitors having nanomolar activity in a cell-based assay and with the potential for improv...

journal_title：Bioorganic & medicinal chemistry letters

authors： Charrier N,Clarke B,Cutler L,Demont E,Dingwall C,Dunsdon R,Hawkins J,Howes C,Hubbard J,Hussain I,Maile G,Matico R,Mosley J,Naylor A,O'Brien A,Redshaw S,Rowland P,Soleil V,Smith KJ,Sweitzer S,Theobald P,Vesey D,

更新日期：2009-07-01 00:00:00

abstract：:Positioning of reactive functional groups within a DNA duplex can enable chemical reactions that otherwise would not occur to an appreciable extent. However, few studies have quantitatively defined the extent to which the enforced proximity of reaction partners in duplex DNA can favor chemical processes. Here, we meas...

journal_title：Bioorganic & medicinal chemistry letters

authors： Catalano MJ,Price NE,Gates KS

更新日期：2016-06-01 00:00:00

abstract：:A series of compounds possessing both H(1) histamine receptor antagonist and 5-lipoxygenase (5-LO) inhibitory activities was synthesized. The H(1)-binding scaffolds of cetirizine, efletirizine, and loratadine were linked to a lipophilic N-hydroxyurea, the 5-LO inhibiting moiety of zileuton. Both activities were observ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Lewis TA,Young MA,Arrington MP,Bayless L,Cai X,Collart P,Eckman JB,Ellis JL,Ene DG,Libertine L,Nicolas JM,Scannell RT,Wels BF,Wenberg K,Wypij DM

更新日期：2004-11-15 00:00:00

abstract：:A simple and green chemistry procedure for the synthesis of dihydropyrimidinones using heteropoly acid mediated cyclocondensation reaction is described. This method provides an efficient and much improved modification of the original Biginelli reaction reported in 1893, in terms of high yields, and short reaction time...

journal_title：Bioorganic & medicinal chemistry letters

authors： Rafiee E,Jafari H

更新日期：2006-05-01 00:00:00

abstract：:Prostate cancer is one of the leading causes of death among males in the world. Prostate cancer cells have been shown to express upregulated chemokine receptor CCR5, a G protein-coupled receptor (GPCR) that relates to the inflammation process. Anibamine, a natural product containing a pyridine ring and two aliphatic s...

journal_title：Bioorganic & medicinal chemistry letters

authors： Xu GG,Zaidi SA,Zhang F,Singh S,Raborg TJ,Yuan Y,Zhang Y

更新日期：2015-09-01 00:00:00

abstract：:A novel series of thiazolone-acylsulfonamides were designed as HCV NS5B polymerase allosteric inhibitors. The structure based drug designs (SBDD) were guided by docking results that revealed the potential to explore an additional pocket in the allosteric site. In particular, the designed molecules contain moieties of ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yan S,Appleby T,Larson G,Wu JZ,Hamatake RK,Hong Z,Yao N

更新日期：2007-04-01 00:00:00

abstract：:The first example of dual inhibitors for matrix metalloproteinase (MMP) and cathepsin is described. An appropriate alignment of peptide-parts and two different specific functional groups in one molecule led to the discovery of a potent dual inhibitor (3a). ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yamamoto M,Ikeda S,Kondo H,Inoue S

更新日期：2002-02-11 00:00:00

abstract：:A series of the titled compounds was synthesized and tested for anti-Helicobacter pylori activities. We discovered Y-34867 having the most potent activity against Helicobacter pylori among the quinolones tested along with high photostability. Furthermore, Y-34867 showed an excellent therapeutic effect in the experimen...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sakurai N,Sano M,Hirayama F,Kuroda T,Uemori S,Moriguchi A,Yamamoto K,Ikeda Y,Kawakita T

更新日期：1998-08-18 00:00:00