Thiophene-based vitronectin receptor antagonists.

abstract：:Novel thienopyrimidine compounds 2 and 3 were discovered from high-throughput screening as Natriuretic Peptide Receptor A (NPR-A) agonists. Scaffold hopping of a thienopyrimidine ring to a quinazoline ring, introduction of the basic functional group and optimization of the substituent on the 6-position of the benzene ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Iwaki T,Nakamura Y,Tanaka T,Ogawa Y,Iwamoto O,Okamura Y,Kawase Y,Furuya M,Oyama Y,Nagayama T

更新日期：2017-11-01 00:00:00

abstract：:This report describes the design and synthesis of a series of CCR2 antagonists incorporating novel non-aryl/heteroaryl RHS (right hand side) motifs. Previous SAR in the area has suggested an aryl/heteroaryl substituent as a necessary structural feature for binding to the CCR2 receptor. Herein we describe the SAR with ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Trujillo JI,Huang W,Hughes RO,Rogier DJ,Turner SR,Devraj R,Morton PA,Xue CB,Chao G,Covington MB,Newton RC,Metcalf B

更新日期：2011-03-15 00:00:00

abstract：:Three C(60) derivatives [C(60) (NHCH(2)CH(2)COONa)(n)(H)(n)], n=1, 5, 9] (A, B, C) with different additional number of beta-alanine were synthesized by the control of relative amount of C(60) and beta-alanine added. Hydroxyl radical scavenging activity of the adducts was evaluated in a copper-catalyzed Haber-Weiss rea...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sun T,Jia Z,Xu Z

更新日期：2004-04-05 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：:Antagonists of the integrin receptor alpha(v)beta(3) are expected to have utility in the treatment of osteoporosis through inhibition of bone resorption. A series of potent, chain-shortened, pyrrolidinone-containing alpha(v)beta(3) receptor antagonists is described. Two sets of diasteromeric pairs of high-affinity ant...

journal_title：Bioorganic & medicinal chemistry letters

authors： Perkins JJ,Duong LT,Fernandez-Metzler C,Hartman GD,Kimmel DB,Leu CT,Lynch JJ,Prueksaritanont T,Rodan GA,Rodan SB,Duggan ME,Meissner RS

更新日期：2003-12-15 00:00:00

abstract：:A series of pyrazoline derivatives were prepared for evaluating their acyl-CoA:cholesterol acyltransferase activities. 3-(3,5-Di-tert-butyl-4-hydroxyphenyl)-5-(multi-substituted 4-hydroxyphenyl)-2-pyrazolines 4a-i were shown in vitro inhibitory activity on hACAT-1 and -2. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Jeong TS,Kim KS,An S,Cho KH,Lee S,Lee WS

更新日期：2004-06-07 00:00:00

abstract：:Human 5-lipoxygenase (5-LOX) is responsible for the formation of leukotriene (LT)A4, a pivotal intermediate in the biosynthesis of the leukotrienes, a family of proinflammatory lipid mediators. 5-LOX has thus gained attention as a potential drug target. However, details of the kinetic mechanism of 5-LOX are still obsc...

journal_title：Bioorganic & medicinal chemistry letters

authors： Mittal M,Kumar RB,Balagunaseelan N,Hamberg M,Jegerschöld C,Rådmark O,Haeggström JZ,Rinaldo-Matthis A

更新日期：2016-08-01 00:00:00

abstract：:Fifteen novel C5 analogues of thiolactomycin (13 biphenyl analogues and two biphenyl mimics) have been synthesised and assessed for their in vitro mtFabH and whole cell Mycobacterium bovis BCG activity, respectively. Analysis of the 15 compounds revealed that six possessed enhanced in vitro activity in a direct mtFabH...

journal_title：Bioorganic & medicinal chemistry letters

authors： Bhowruth V,Brown AK,Senior SJ,Snaith JS,Besra GS

更新日期：2007-10-15 00:00:00

abstract：:Nanometer-scale architectures assembled on cell surface receptors from smaller macromolecular constituents generated a large amplification of fluorescence. A targeted dendrimer was synthesized from a cystamine-core G4 PAMAM dendrimer, and contained an anti-BrE3 monoclonal antibody as the targeting group, several fluor...

journal_title：Bioorganic & medicinal chemistry letters

authors： Isaacman S,Buckley M,Wang X,Wang EY,Liebes L,Canary JW

更新日期：2014-03-01 00:00:00

abstract：:Makomotindoline (1) was isolated from Makomotake, Zizania latifolia infected with Ustilago esculenta. The structure was determined by the interpretation of spectroscopic data and synthesis. Makomotindoline (1), its l-Glc isomer (2) and its aglycon (3) were synthesized and their effects on rat glioma cells showed adver...

journal_title：Bioorganic & medicinal chemistry letters

authors： Suzuki T,Choi JH,Kawaguchi T,Yamashita K,Morita A,Hirai H,Nagai K,Hirose T,Omura S,Sunazuka T,Kawagishi H

更新日期：2012-07-01 00:00:00

abstract：:Based on the favorable antiviral profiles of 4'-substituted nucleosides, novel 1-(2'-deoxy-2'-fluoro-4'-C-ethynyl-beta-D-arabinofuranosyl)-uracil (1a), -thymine (1b), and -cytosine (2) analogs were synthesized. Compounds 1b and 2 exhibited potent anti-HIV-1 activity with IC(50) values of 86 and 1.34 nM, respectively, ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Wang Q,Li Y,Song C,Qian K,Chen CH,Lee KH,Chang J

更新日期：2010-07-15 00:00:00

abstract：:A new triterpenoid saponin, julibroside J(28) (1), was isolated from the stem bark of Albizia julibrissin Durazz (Leguminosae) by using chromatographic method. The structure of 1 was established by spectroscopic methods. 1 displayed significant antitumor activity in vitro against PC-3M-1E8, Bel-7402, and HeLa cancer c...

journal_title：Bioorganic & medicinal chemistry letters

authors： Liang H,Tong WY,Zhao YY,Cui JR,Tu GZ

更新日期：2005-10-15 00:00:00

abstract：:A novel strategy to identify potent HIV-1 protease dimerization inhibitors was developed using 12-aminododecanoic acid as a tether to crosslink interfacial peptides. The directionality of the southern peptide was changed from N-->C to C-->N as compared to previously reported inhibitors. The terminal amine of the south...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hwang YS,Chmielewski J

更新日期：2004-08-16 00:00:00

abstract：:A new quinoline derivative, methyl 8-(3-methoxy-3-methylbutyl)-2-methylquinoline-4-carboxylate (1), was isolated from the endophytic strain Streptomyces sp. neau50, and the structure was elucidated by extensive spectroscopic analysis. Compound 1 showed cytotoxicity against human lung adenocarcinoma cell line A549 with...

journal_title：Bioorganic & medicinal chemistry letters

authors： Wang XJ,Gong DL,Wang JD,Zhang J,Liu CX,Xiang WS

更新日期：2011-04-15 00:00:00

abstract：:A new class of potent NK3R antagonists based on the N',2-diphenylquinoline-4-carbohydrazide core is described. In an ex vivo assay in gerbil, the lead compound 2g occupies receptors within the CNS following oral dosing (Occ(90) 30 mg/kg po; plasma Occ(90) 0.95 microM) and has good selectivity and promising PK properti...

journal_title：Bioorganic & medicinal chemistry letters

authors： Elliott JM,Carling RW,Chambers M,Chicchi GG,Hutson PH,Jones AB,MacLeod A,Marwood R,Meneses-Lorente G,Mezzogori E,Murray F,Rigby M,Royo I,Russell MG,Sohal B,Tsao KL,Williams B

更新日期：2006-11-15 00:00:00

abstract：:A series of 4'-hydroxyphenyl-aryl-carbaldehyde oximes (5b) was prepared and found to have high affinity (4nM) and modest selectivity (39-fold) for estrogen receptor-beta (ERbeta). Substitution of one of the core rings of the scaffold based around these novel ligands further expanded our knowledge in the quest toward a...

journal_title：Bioorganic & medicinal chemistry letters

authors： Mewshaw RE,Bowen SM,Harris HA,Xu ZB,Manas ES,Cohn ST

更新日期：2007-02-15 00:00:00

abstract：:6-(4H-Selenolo[3,2-b]pyrrolyl)-L-alanine 1, 4-(6H-selenolo[2,3-b]pyrrolyl)-L-alanine 2, and 6-(4H-furo[3,2-b]pyrrolyl)-L-alanine 3 have been synthesized via reactions of selenolo[3,2-b]pyrrole, selenolo[2,3-b]pyrrole, and furo[3,2-b]pyrrole, respectively, with L-serine. The reactions are catalyzed by Salmonella typhim...

journal_title：Bioorganic & medicinal chemistry letters

authors： Welch M,Phillips RS

更新日期：1999-03-08 00:00:00

abstract：:Neuropeptide Y is one of the most potent appetite stimulating hormones known. Novel thiophene and benzo[b]thiophene hydrazide derivatives were synthetized and evaluated biologically as NPY Y(1) and Y(5) receptor subtype antagonists. They were found to have nanomolar binding affinities for human NPY Y(5) receptor, obta...

journal_title：Bioorganic & medicinal chemistry letters

authors： Galiano S,Erviti O,Pérez S,Moreno A,Juanenea L,Aldana I,Monge A

更新日期：2004-02-09 00:00:00

abstract：:A series of novel methyl 5-substituted 1H-benzo[d]imidazol-2-ylcarbamates were designed, synthesized, and their acrosin inhibitory activities evaluated in vitro. The results of acrosin inhibitory activity showed that all title compounds were more potent than the control TLCK. Compound 4w displayed the most potent acro...

journal_title：Bioorganic & medicinal chemistry letters

authors： Liu X,Chen Q,Zhu J,Fan Y,Ding L,Zhao J,Han G,Tian W,Qi J,Zhou Y,Lv J

更新日期：2012-05-15 00:00:00

abstract：:JNK2 and p38alpha are closely related mitogen-activated protein kinases that regulate various cellular activities and are considered drug targets for inflammatory diseases. We have determined the X-ray crystal structure of the clinical phase II p38alpha inhibitor BIRB796 bound to its off-target JNK2. This shows for th...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kuglstatter A,Ghate M,Tsing S,Villaseñor AG,Shaw D,Barnett JW,Browner MF

更新日期：2010-09-01 00:00:00

abstract：:The search for new antimicrobial agents is greater than ever due to the perpetual threat of multidrug resistance in known pathogens and the relentless emergence of new infections. In this manuscript, ten thiazole-based thiazolidinone hybrids bearing a 6-trifluoromethoxy substituent on the benzothiazole core were synth...

journal_title：Bioorganic & medicinal chemistry letters

authors： Haroun M,Tratrat C,Petrou A,Geronikaki A,Ivanov M,Ciric A,Sokovic M

更新日期：2021-01-15 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：:Breast cancer is the most common malignancy among females, and cancer invasion and metastasis are the leading causes of cancer death in breast cancer patients. Pterostilbene, a naturally occurring dimethylether analogue of resveratrol, has been demonstrated to possess anti-cancer effects. However, inhibitory effects o...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ko HS,Kim JS,Cho SM,Lee HJ,Ahn KS,Kim SH,Lee EO

更新日期：2014-02-15 00:00:00

abstract：:A series of COX-2 selective inhibitor nimesulide derivatives were synthesized. Their anti-cell proliferation activities were evaluated with a long-term estrogen deprived MCF-7aro (LTEDaro) breast cancer cell line, which is the biological model of aromatase inhibitor resistance for hormone-dependent breast cancer. Comp...

journal_title：Bioorganic & medicinal chemistry letters

authors： Su B,Chen S

更新日期：2009-12-01 00:00:00

abstract：:The synthesis and biological activity of sordarin oxazepine derivatives are described. The key step features a regioselective oxidation of an unprotected triol followed by double reductive amination to afford the ring-closed products. The spectrum of antifungal activity for these novel derivatives includes coverage of...

journal_title：Bioorganic & medicinal chemistry letters

authors： Serrano-Wu MH,St Laurent DR,Chen Y,Huang S,Lam KR,Matson JA,Mazzucco CE,Stickle TM,Tully TP,Wong HS,Vyas DM,Balasubramanian BN

更新日期：2002-10-07 00:00:00

abstract：:A novel conjugate of Hoechst 33258, pyrene and neomycin was synthesized and examined for its binding and stabilization of A-T rich DNA duplexes using spectroscopic and viscometric techniques. The conjugate, containing three well known ligands that bind nucleic acids albeit in different binding modes, was found to sign...

journal_title：Bioorganic & medicinal chemistry letters

authors： Willis B,Arya DP

更新日期：2009-09-01 00:00:00

abstract：:A series of artemisinin derived esters 7a-j, incorporating pharmacologically privileged substructure, such as biphenyl, adamantane and fluorene, have been prepared and evaluated for antimalarial activity against multidrug-resistant (MDR) Plasmodium yoelii nigeriensis by oral route. Several of these compounds were foun...

journal_title：Bioorganic & medicinal chemistry letters

authors： Singh C,Chaudhary S,Puri SK

更新日期：2008-02-15 00:00:00

abstract：:A concise synthesis of three novel C2-C3 unsaturated pyrrolo[2,1-c][1,4]benzodiazepine analogues (18-20) containing conjugated acrylyl C2-substituents is reported that utilises Heck coupling to install the C2-acrylyl side chains. These analogues possess significant cytotoxicity according to the NCI 60-cell line screen...

journal_title：Bioorganic & medicinal chemistry letters

authors： Chen Z,Gregson SJ,Howard PW,Thurston DE

更新日期：2004-03-22 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：:The paper describes synthesis and antibacterial study of biologically active Mannich bases of carboxamide derivative employing Mannich reaction of 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a pentahydroxy naphthacene carboxamide with various sulfonamides/secondary amines . They were analysed by eleme...

journal_title：Bioorganic & medicinal chemistry letters

authors： Joshi S,Manikpuri AD,Tiwari P

更新日期：2007-02-01 00:00:00