Novel lactam NK1 antagonists with anti-emetic activity.

abstract：:C-Mannosyl residue-containing trimannose ManC alpha(1,6)[Man alpha(1,3)Man] (2) and 5-thio-C mannosyl residue-containing trimannose 5SManC alpha(1,6)[Man alpha(1,3)Man] (3) were synthesized via a glycosyl radical addition to enone derivative of mannose (6). Dissociation constants for the binding of these trisaccharide...

journal_title：Bioorganic & medicinal chemistry letters

authors： Tsuruta O,Yuasa H,Kurono S,Hashimoto H

更新日期：1999-03-22 00:00:00

abstract：:A small library of 1-aminoalkyl 2-naphthols has been synthesized through the direct Mannich reaction of 2-naphthols with (hetero)aromatic aldehydes and secondary amines. All of the Mannich bases having a thiophen-2-yl ring in their structure had good activity against Gram-positive bacteria, irrespective of the nature ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Roman G,Năstasă V,Bostănaru AC,Mareş M

更新日期：2016-05-15 00:00:00

abstract：:A series of benzylidene-1H-indol-2-one (oxindole) derivatives was synthesized and evaluated as cRaf-1 kinase inhibitors. The key features of the molecules were the donor/acceptor motif common to kinase inhibitors and a critical acidic phenol flanked by two substitutions. Diverse 5-position substitutions provided compo...

journal_title：Bioorganic & medicinal chemistry letters

authors： Lackey K,Cory M,Davis R,Frye SV,Harris PA,Hunter RN,Jung DK,McDonald OB,McNutt RW,Peel MR,Rutkowske RD,Veal JM,Wood ER

更新日期：2000-02-07 00:00:00

abstract：:A series of 5-substitutedbenzylideneamino-2-butylbenzofuran-3-yl-4-methoxyphenyl methanones is synthesized and evaluated for antileishmanial and antioxidant activities. Compounds 4f (IC50 = 52.0 ± 0.09 µg/ml), 4h (IC50 = 56.0 ± 0.71 µg/ml) and 4l (IC50 = 59.3 ± 0.55 µg/ml) were shown significant antileishmanial when c...

journal_title：Bioorganic & medicinal chemistry letters

authors： Patil SR,Bollikonda S,Patil RH,Sangshetti JN,Bobade AS,Asrondkar A,Reddy PP,Shinde DB

更新日期：2018-02-01 00:00:00

abstract：:The first time synthesis of 7alpha- and 11beta-nitrile estradiol is described. Reaction of 7alpha-cyano-19-nortestosterone with copper(II)bromide in acetonitrile at room temperature results in aromatization of the A-ring. Treatment of 11beta-cyano-19-nortestosterone-17-one under similar condition does not induce A-rin...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ali H,van Lier JE

更新日期：2002-10-21 00:00:00

abstract：:A series of N-8 substituted analogs based upon the spiropiperidine core of the original lead compound 1 was synthesized. This lead has been elaborated to compounds to give compounds 2 and 3 (R=H) that exhibited high NOP binding affinity as well as selectivity against other known opioid receptors. These two series have...

journal_title：Bioorganic & medicinal chemistry letters

authors： Caldwell JP,Matasi JJ,Fernandez X,McLeod RL,Zhang H,Fawzi A,Tulshian DB

更新日期：2009-02-15 00:00:00

abstract：:Mycoepoxydiene (MED) is a polyketide isolated from a marine fungus associated with mangrove forests. It contains an oxygen-bridged cyclooctadiene core and an α,β-unsaturated δ-lactone moiety. MED induced the reorganization of cytoskeleton in actively growing HeLa cells by promoting formation of actin stress fiber and ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Wang J,Zhao B,Zhang W,Wu X,Wang R,Huang Y,Chen D,Park K,Weimer BC,Shen Y

更新日期：2010-12-01 00:00:00

abstract：:Group II metabotropic glutamate receptors (mGluRs) have been implicated in a variety of neurological and psychiatric disorders in recent studies. As a noninvasive medical imaging technique and a powerful tool in neurological research, positron emission tomography (PET) offers the possibility to visualize and study gro...

journal_title：Bioorganic & medicinal chemistry letters

authors： Wang JQ,Zhang Z,Kuruppu D,Brownell AL

更新日期：2012-03-01 00:00:00

abstract：:Piperazinyl benzamidines were prepared and found to bind to the rat delta (delta) opioid receptor. The most active compounds had a N,N-diethylcarboxamido group and a N-benzyl piperazine. The most potent among these was N,N-diethyl-4-[4-(phenylmethyl)-1-piperazinyl][2-(trifluoromethyl)phenyl]iminomethyl]benzamide (27) ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Nortey SO,Baxter EW,Codd EE,Zhang SP,Reitz AB

更新日期：2001-07-09 00:00:00

abstract：:A polyphemusin peptide analogue, T22 ([Tyr(5,12), Lys7]-polyphemusin II), and its shortened potent analogues, T134 (des-[Cys(8,13), Tyr(9,12)]-[D-Lys10, Pro11, L-citrulline16]-T22 without C-terminal amide) and T140 [[L-3-(2-naphthyl)alanine3]-T134], strongly inhibit the T-cell line-tropic (T-tropic) HIV-1 infection th...

journal_title：Bioorganic & medicinal chemistry letters

authors： Tamamura H,Omagari A,Oishi S,Kanamoto T,Yamamoto N,Peiper SC,Nakashima H,Otaka A,Fujii N

更新日期：2000-12-04 00:00:00

abstract：:The halogenated and oxidized derivatives (1a-1e, 1a'-1c', 2a-2d, 2a'-2b', 3a-3e, 3' and 3a'-3b') of schizandrin (1), schizandrin B (2) and schisanhenol (3) were synthesized. The hepatoprotective effects of these dibenzocyclooctadiene lignan analogues against CCl4-induced injury were preliminarily evaluated. Most of th...

journal_title：Bioorganic & medicinal chemistry letters

authors： He T,Wang QY,Shi JZ,Fan TY,Yan C,Huang LJ,Liu S,Hao XJ,Mu SZ

更新日期：2014-04-01 00:00:00

abstract：:A series of novel tetracyclic core-containing HCV NS5A inhibitors has been discovered. Incorporation of tetrahydropyran-substituted amino acid moiety improved their potency and yielded HCV NS5A inhibitors with a minimum potency shift from the GT1a strain compared to other genotypes and mutants. Compounds 53 and 54 sho...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yu W,Hu B,Zhong B,Hao J,Lei Z,Agrawal S,Rokosz L,Liu R,Chen S,Asante-Appiah E,Kozlowski JA

更新日期：2019-03-01 00:00:00

abstract：:Glucose transporters (GLUTs) facilitate glucose uptake and are overexpressed in most cancer cells. Inhibition of glucose transport has been shown to be an effective method to slow the growth of cancer cells both in vitro and in vivo. We have previously reported on the anticancer activity of an ester derived glucose up...

journal_title：Bioorganic & medicinal chemistry letters

authors： Roberts DA,Wang L,Zhang W,Liu Y,Shriwas P,Qian Y,Chen X,Bergmeier SC

更新日期：2020-09-15 00:00:00

abstract：:Glucokinase is a key enzyme in glucose homeostasis since it phosphorylates glucose to give glucose-6-phosphate, which is the first step in glycolysis. GK activators have been proven to lower blood-glucose, and therefore have potential as treatments for type 2 diabetes. Here the discovery of pyrazolopyrimidine GKAs is ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Bonn P,Brink DM,Fägerhag J,Jurva U,Robb GR,Schnecke V,Svensson Henriksson A,Waring MJ,Westerlund C

更新日期：2012-12-15 00:00:00

abstract：:Exploration of the indole nitrogen region of Zafirlukast (1) has uncovered a potent series of cysteinyl leukotriene D4 (LTD4) antagonists. These studies showed that a variety of functionality could be incorporated in this region of the molecule without sacrificing potency. Efforts to exploit this site in order to impr...

journal_title：Bioorganic & medicinal chemistry letters

authors： Brown MF,Marfat A,Antognoli G,Chambers RJ,Cheng JB,Damon DB,Liston TE,McGlynn MA,O'Sullivan SP,Owens BS,Pillar JS,Shirley JT,Watson JW

更新日期：1998-09-22 00:00:00

abstract：:Chaetocin (1), a structurally complex epidithiodiketopiperazine (ETP) alkaloid produced by Chaetomium minutum, is a potent inhibitor of protein lysine methyltransferase G9a, which plays important roles in many biological processes. Here we present our synthetic investigations to identify a simple prototype G9a inhibit...

journal_title：Bioorganic & medicinal chemistry letters

authors： Fujishiro S,Dodo K,Iwasa E,Teng Y,Sohtome Y,Hamashima Y,Ito A,Yoshida M,Sodeoka M

更新日期：2013-02-01 00:00:00

abstract：:A series of indene analogs of the H(1)-antihistamine (-)-R-dimethindene was evaluated for selectivity in the search for potentially improved sedative-hypnotics. Variation of the 6-substitutent in the indene core in combination with a pendant electron rich heterocycle led to the identification of several potent H(1)-an...

journal_title：Bioorganic & medicinal chemistry letters

authors： Li BF,Moree WJ,Yu J,Coon T,Zamani-Kord S,Malany S,Jalali K,Wen J,Wang H,Yang C,Hoare SR,Petroski RE,Madan A,Crowe PD,Beaton G

更新日期：2010-04-15 00:00:00

abstract：:Two reactive metabolites were identified in vivo for the dual A(2A)/A(1) receptor antagonist 1. Two strategies were implemented to successfully mitigate the metabolic liabilities associated with 1. Optimization of the arylindenopyrimidines led to a number of amide, ether, and amino analogs having comparable in vitro a...

journal_title：Bioorganic & medicinal chemistry letters

authors： Shook BC,Rassnick S,Chakravarty D,Wallace N,Ault M,Crooke J,Barbay JK,Wang A,Leonard K,Powell MT,Alford V,Hall D,Rupert KC,Heintzelman GR,Hansen K,Bullington JL,Scannevin RH,Carroll K,Lampron L,Westover L,Russell

更新日期：2010-05-01 00:00:00

abstract：:The kappa opioid receptor (KOPR) has been identified as a potential drug target to prevent or alter the course of mood, anxiety and addictive disorders or reduce response to stress. In a search for highly potent and selective KOPR partial agonists as pharmacological tools, we have modified 12-epi-salvinorin A, a compo...

journal_title：Bioorganic & medicinal chemistry letters

authors： Béguin C,Potuzak J,Xu W,Liu-Chen LY,Streicher JM,Groer CE,Bohn LM,Carlezon WA Jr,Cohen BM

更新日期：2012-01-15 00:00:00

abstract：:This Letter describes the synthesis of two regioisomers of a new class of vesamicol analogs as possible ligands for imaging the vesicular acetylcholine transporter in future PET studies. The two pyrrolovesamicols (±)-6a and (±)-6b were synthesized by nucleophilic ring opening reaction of a tetrahydroindole epoxide pre...

journal_title：Bioorganic & medicinal chemistry letters

authors： Wenzel B,Li Y,Kraus W,Sorger D,Sabri O,Brust P,Steinbach J

更新日期：2012-03-15 00:00:00

abstract：:Diaryl-(4-piperidinyl)-pyrrole derivatives bearing cyclic amine substituents have been synthesized and evaluated as anticoccidial agents. Improvements in potency of Et-PKG inhibition, such as azetidine derivative 3a, and broad spectrum anticoccidial activities in feed, such as morpholine derivative 8c, have been achie...

journal_title：Bioorganic & medicinal chemistry letters

authors： Liang GB,Qian X,Feng D,Fisher M,Crumley T,Darkin-Rattray SJ,Dulski PM,Gurnett A,Leavitt PS,Liberator PA,Misura AS,Samaras S,Tamas T,Schmatz DM,Wyvratt M,Biftu T

更新日期：2008-03-15 00:00:00

abstract：:The underlying mechanisms of urocanic acid (UA) to induce immune suppression remain elusive until the recent finding that cis-UA acts via the serotonin, 5-hydroxytryptamine (5-HT) receptor subtype 5-HT(2A). In the present study, the interactions of cis-UA to 5-HT(2A) receptor were explored and compared with those of 5...

journal_title：Bioorganic & medicinal chemistry letters

authors： Shen L,Ji HF

更新日期：2009-09-15 00:00:00

abstract：:'Legal highs' are compounds, plant or fungal material which can be readily bought from the internet without legal restriction and the single chemicals may be structurally related to illegal drugs of abuse such as the amphetamines. Several recent deaths in the UK have been attributed to these legal highs and unfortunat...

journal_title：Bioorganic & medicinal chemistry letters

authors： Gibbons S,Zloh M

更新日期：2010-07-15 00:00:00

abstract：:Potential prodrugs for the TRH-like tripeptide pGlu-Glu-Pro-NH(2) were synthesized either by esterifying the Glu side-chain of the parent peptide in solution with alcohols in the presence of resin-bound dicyclohexylcarbodiimide or by solid-phase peptide chemistry. Affinities of these ester prodrugs to lipid membranes ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Prokai-Tatrai K,Nguyen V,Zharikova AD,Braddy AC,Stevens SM,Prokai L

更新日期：2003-03-24 00:00:00

abstract：:Endothelial lipase (EL) inhibitors have been shown to elevate HDL-C levels in pre-clinical murine models and have potential benefit in prevention and treatment of cardiovascular diseases. Modification of the 1-ethyl-3-hydroxy-1,5-dihydro-2H-pyrrol-2-one (DHP) lead, 1, led to the discovery of a series of potent tetrahy...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hu CH,Wang TC,Qiao JX,Haque L,Chen AYA,Taylor DS,Ying X,Onorato JM,Galella M,Shen H,Huang CS,Toussaint N,Li YX,Abell L,Adam LP,Gordon D,Wexler RR,Finlay HJ

更新日期：2018-12-15 00:00:00

abstract：:We report the design, synthesis, biological activity and docking studies of series of novel pyrazolo[3,4-d]pyrimidinones as DPP-IV inhibitors in diabetes. Molecules were synthesized and evaluated for their DPP-IV inhibition activity. Compounds 5e, 5k, 5o and 6a were found to be potent inhibitors of DPP-IV enzyme. Amon...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sagar SR,Agarwal JK,Pandya DH,Dash RP,Nivsarkar M,Vasu KK

更新日期：2015-10-15 00:00:00

abstract：:To overcome the chemical and metabolic instability of the secondary fatty acyl residues in the AGP class of lipid A mimetics, the secondary ether lipid analogs of the potent TLR4 agonist CRX-527 (2) and TLR4 antagonist CRX-526 (3) were synthesized and evaluated along with their ester counterparts for agonist/antagonis...

journal_title：Bioorganic & medicinal chemistry letters

authors： Bazin HG,Murray TJ,Bowen WS,Mozaffarian A,Fling SP,Bess LS,Livesay MT,Arnold JS,Johnson CL,Ryter KT,Cluff CW,Evans JT,Johnson DA

更新日期：2008-10-15 00:00:00

abstract：:Eukaryotic mRNA contains a 3' poly(A) tail, which plays important roles in the regulation of mRNA stability and translation. Well-characterized enzymes involved in the shortening of the poly(A) tail include the multi-subunit Ccr4-Not deadenylase, which contains the Caf1 (Pop2) and Ccr4 catalytic components, and poly(A...

journal_title：Bioorganic & medicinal chemistry letters

authors： Jadhav GP,Kaur I,Maryati M,Airhihen B,Fischer PM,Winkler GS

更新日期：2015-10-01 00:00:00

abstract：:Multiple asthma-relevant cytokines including IL-4, IL-5, IL-13, and TSLP depend upon JAKs for signaling. JAK inhibition may, therefore, offer a novel intervention strategy for patients with disease refractory to current standards of care. Multiple systemically delivered JAK inhibitors have been approved for human use ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zak M,Dengler HS,Rajapaksa NS

更新日期：2019-10-15 00:00:00

abstract：:Thirteen new 2-pyrazoline derivatives bearing benzenesulfonamide moiety (2a-m) were synthesized by condensing appropriate chalcones with 4-hydrazinonbenzenesulfonamide hydrochloride and tested for anticancer and anti-inflammatory actions. According to the protocol of the National Cancer Institute (NCI) in vitro diseas...

journal_title：Bioorganic & medicinal chemistry letters

authors： Bashir R,Ovais S,Yaseen S,Hamid H,Alam MS,Samim M,Singh S,Javed K

更新日期：2011-07-15 00:00:00