Synthesis of non-nucleoside anti-viral cyclopropylcarboxacyl hydrazones and initial anti-HSV-1 structure-activity relationship studies.

abstract：:High-throughput screening of the GSK compound collection against the P2Y(1) receptor identified a novel series of tetrahydro-4-quinolinamine antagonists. Optimal substitution around the piperidine group was pivotal for ensuring activity. An exemplar analog from this series was shown to inhibit platelet aggregation. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Morales-Ramos AI,Mecom JS,Kiesow TJ,Graybill TL,Brown GD,Aiyar NV,Davenport EA,Kallal LA,Knapp-Reed BA,Li P,Londregan AT,Morrow DM,Senadhi S,Thalji RK,Zhao S,Burns-Kurtis CL,Marino JP Jr

更新日期：2008-12-01 00:00:00

abstract：:A new generation of propylene-spaced fluorous allyltin reagents [(Rf(CH2)3)3SnCH2CH = CH2] is described. These succeed in radical allylations where their lower homologs (ethylene-spaced) fail, and they provide improved performance in transition metal catalyzed allylations. The reagents and byproducts are readily separ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Curran DP,Luo Z,Degenkolb P

更新日期：1998-09-08 00:00:00

abstract：:This paper covers efforts to discover orally active potent and selective oxytocin antagonists. Screening pooled libraries identified a novel series of 2,5-diketopiperazine derivatives with antagonist activity at the human oxytocin receptor. We report the initial structure-activity relationship investigations and the d...

journal_title：Bioorganic & medicinal chemistry letters

authors： Wyatt PG,Allen MJ,Borthwick AD,Davies DE,Exall AM,Hatley RJ,Irving WR,Livermore DG,Miller ND,Nerozzi F,Sollis SL,Szardenings AK

更新日期：2005-05-16 00:00:00

abstract：:A series of N-4-substituted-benzyl-N'-tert-butylbenzyl thioureas were prepared for the study of their agonistic/antagonistic activities to the vanilloid receptor in rat DRG neurons. Their structure-activity relationship reveals that not only the two oxygens and amide hydrogen of sulfonamido group, but also the optimal...

journal_title：Bioorganic & medicinal chemistry letters

authors： Park HG,Choi JY,Choi SH,Park MK,Lee J,Suh YG,Cho H,Oh U,Lee J,Kang SU,Lee J,Kim HD,Park YH,Su Jeong Y,Kyu Choi J,Jew SS

更新日期：2004-02-09 00:00:00

abstract：:Inhibition of Eg5 represents a novel approach for the treatment of cancer. Here, we report the synthesis and structure-activity relationship of S-trityl-L-cysteine (STLC) derivatives as Eg5 inhibitors. Some of these derivatives such as 4f demonstrated enhanced inhibitory activity against Eg5 and induced mitotic arrest...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ogo N,Oishi S,Matsuno K,Sawada J,Fujii N,Asai A

更新日期：2007-07-15 00:00:00

abstract：:A novel dendritic molecule with nine chlorambucil (CBL) residues on the surface and a maleimide moiety at the core terminus was synthesized using a convergent synthetic methodology. This molecule is ready for attachment to single-chain Fv antibodies (scFvs) to form antibody-multidrug immunoconjugates in an effort to s...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sun C,Wirsching P,Janda KD

更新日期：2002-08-19 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 class of small molecules displaying comparable activities with peptide ligands BAM22 and corticostatin-14 at both the human and rhesus monkey MrgX1 and MrgX2 receptors, respectively, was discovered. A comparative study to compare solid-phase and solution-phase chemistries for the efficient synthesis of the active cl...

journal_title：Bioorganic & medicinal chemistry letters

authors： Malik L,Kelly NM,Ma JN,Currier EA,Burstein ES,Olsson R

更新日期：2009-03-15 00:00:00

abstract：:We have previously reported the essential structure of the opioid κ receptor agonist nalfurafine hydrochloride (TRK-820) for binding to the κ receptor. In the course of this study, we focused on the effect of the substituent at 17-N in nalfurafine on the binding affinity for the κ receptor. The exchange of the 17-N su...

journal_title：Bioorganic & medicinal chemistry letters

authors： Nemoto T,Yamamoto N,Wada N,Harada Y,Tomatsu M,Ishihara M,Hirayama S,Iwai T,Fujii H,Nagase H

更新日期：2013-01-01 00:00:00

abstract：:Alzheimer's disease is characterized by the accumulation of β-amyloid (Aβ) plaques and neurofibrillary tangles (NFTs) in the brain. We previously developed [(18)F]fluoropropylcurcumin ([(18)F]FP-curcumin), which demonstrated excellent binding affinity (K(i)=0.07 nM) for Aβ(1-40) aggregates and good pharmacokinetics in...

journal_title：Bioorganic & medicinal chemistry letters

authors： Lee I,Yang J,Lee JH,Choe YS

更新日期：2011-10-01 00:00:00

abstract：:The transcription factor nuclear factor-κB (NF-κB) controls many physiological processes including inflammation, immunity, and apoptosis. In this study, a novel series of 6-phenoxy-[1,2,4]triazolo[3,4-a]phthalazine-3-carboxamide derivatives were synthesized as potent anti-inflammatory agents, which acted on tumor necr...

journal_title：Bioorganic & medicinal chemistry letters

authors： Liu DC,Gong GH,Wei CX,Jin XJ,Quan ZS

更新日期：2016-03-15 00:00:00

abstract：:The enediyne natural products have been explored for their phenomenal cytotoxicity. The development of enediynes into anticancer drugs has been successfully achieved through the utilization of polymer- and antibody-drug conjugates (ADCs) as drug delivery systems. An increasing inventory of enediynes would benefit curr...

journal_title：Bioorganic & medicinal chemistry letters

authors： Shen B,Hindra,Yan X,Huang T,Ge H,Yang D,Teng Q,Rudolf JD,Lohman JR

更新日期：2015-01-01 00:00:00

abstract：:[60]Fullerenols carrying mono- and bis-alpha-D-mannosyl linkages on the surface were prepared via a [3+2]-cycloaddition reaction between 2-azidoethyl alpha-D-mannoside and C(60) followed by polyhydroxylation with aqueous NaOH. Their biological activity was evaluated in terms of binding affinity to lectins by hemagglut...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kato H,Yashiro A,Mizuno A,Nishida Y,Kobayashi K,Shinohara H

更新日期：2001-11-19 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：:The effect of 2,3 modifications on the antibacterial activity of ketolides was evaluated by introducing substituents in position 2 and converting the C-1, C-2, C-3 beta-keto-ester into stable 2,3 enol-ether or 2,3 anhydro derivatives. Introduction of a fluorine in C-2 is beneficial with regard to the overall antibacte...

journal_title：Bioorganic & medicinal chemistry letters

authors： Denis A,Bretin F,Fromentin C,Bonnet A,Piltan G,Bonnefoy A,Agouridas C

更新日期：2000-09-04 00:00:00

abstract：:The synthesis and biological evaluation of new potent opioid receptor-like 1 antagonists are presented. A structure-activity relationship (SAR) study of arylpyrazole lead compound 1 obtained from library screening identified compound 31, (1S,3R)-N-{[1-(3-chloropyridin-2-yl)-5-(5-fluoro-6-methylpyridin-3-yl)-4-methyl-1...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kobayashi K,Uchiyama M,Ito H,Takahashi H,Yoshizumi T,Sakoh H,Nagatomi Y,Asai M,Miyazoe H,Tsujita T,Hirayama M,Ozaki S,Tani T,Ishii Y,Ohta H,Okamoto O

更新日期：2009-07-01 00:00:00

abstract：:The optimization of the 4-position of recently described new 3,4-disubstituted piperidine-based renin inhibitors is reported herein. The synthesis and characterization of compounds leading to the discovery of 11 (ACT-178882, MK-1597), a renin inhibitor with a suitable profile for development is described. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Corminboeuf O,Bezençon O,Remeň L,Grisostomi C,Richard-Bildstein S,Bur D,Prade L,Strickner P,Hess P,Fischli W,Steiner B,Treiber A

更新日期：2010-11-01 00:00:00

abstract：:Telomeric G-rich single-stranded DNA can adopt a G-tetraplex structure which has been shown to inhibit telomerase activity. We have examined benzoindoloquinolines derivatives for their ability to stabilize an intramolecular G-quadruplex. The increase in T(m) value of the G-quadruplex was associated with telomerase inh...

journal_title：Bioorganic & medicinal chemistry letters

authors： Alberti P,Schmitt P,Nguyen CH,Rivalle C,Hoarau M,Grierson DS,Mergny JL

更新日期：2002-04-08 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：:A structure-activity relationship of the 3- and 6-positions of the pyrazolo[1,5-a]pyrimidine scaffold of the known BMP inhibitors dorsomorphin, 1, LDN-193189, 2, and DMH1, 3, led to the identification of a potent and selective compound for ALK2 versus ALK3. The potency contributions of several 3-position substituents ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Engers DW,Frist AY,Lindsley CW,Hong CC,Hopkins CR

更新日期：2013-06-01 00:00:00

abstract：:GPR91, a 7TM G-Protein-Coupled Receptor, has been recently deorphanized with succinic acid as its endogenous ligand. Current literature indicates that GPR91 plays role in various pathophysiology including renal hypertension, autoimmune disease and retinal angiogenesis. Starting from a small molecule high-throughput sc...

journal_title：Bioorganic & medicinal chemistry letters

authors： Bhuniya D,Umrani D,Dave B,Salunke D,Kukreja G,Gundu J,Naykodi M,Shaikh NS,Shitole P,Kurhade S,De S,Majumdar S,Reddy SB,Tambe S,Shejul Y,Chugh A,Palle VP,Mookhtiar KA,Cully D,Vacca J,Chakravarty PK,Nargund RP,W

更新日期：2011-06-15 00:00:00

abstract：:Aminoglycoside antibiotics target an internal RNA loop within the bacterial ribosomal decoding site. Here, we describe the synthesis and SAR of novel 3,5-diamino-piperidine derivatives as aminoglycoside mimetics, and show they act as inhibitors of bacterial translation and growth. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zhou Y,Gregor VE,Ayida BK,Winters GC,Sun Z,Murphy D,Haley G,Bailey D,Froelich JM,Fish S,Webber SE,Hermann T,Wall D

更新日期：2007-03-01 00:00:00

abstract：:As part of the presented research, thirteen new aminoalkanol derivatives were designed and obtained by chemical synthesis. In vivo studies (mice, i.p.) showed anticonvulsant activity (MES) of nine compounds, and in the case of one compound (R,S-trans-2-((2-(2,3,5-trimethylphenoxy)ethyl)amino)cyclohexan-1-ol, 4) both a...

journal_title：Bioorganic & medicinal chemistry letters

authors： Pańczyk K,Rapacz A,Furgała-Wojas A,Sałat K,Koczurkiewicz-Adamczyk P,Łucjanek M,Skiba-Kurek I,Karczewska E,Sowa A,Żelaszczyk D,Siwek A,Popiół J,Pękala E,Marona H,Waszkielewicz A

更新日期：2020-08-15 00:00:00

abstract：:Owning to the promising neuroprotective profile and the ability to cross the blood-brain barrier, triptolide has attracted extensive attention. Although its limited solubility and toxicity have greatly hindered clinical translation, triptolide has nonetheless emerged as a promising candidate for structure-activity rel...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ning C,Mo L,Chen X,Tu W,Wu J,Hou S,Xu J

更新日期：2018-02-15 00:00:00

abstract：:The pentacyclic triterpene 3β,6β,16β-tri-hydroxilup-20(29)-ene is a natural product produced by the Brazilian medicinal plant Combretum leprosum. Its cytotoxicity has been previously reported against breast cancer cell lines. The low water solubility of this natural product, that hampers its bioavailability, motivated...

journal_title：Bioorganic & medicinal chemistry letters

authors： Silva-Filho CJA,Freitas PGC,Oliveira FCE,Barbosa FG,Oliveira MCF,Eloy JO,Pessoa C,Mafezoli J

更新日期：2020-10-15 00:00:00

abstract：:In the course of ongoing research on protein tyrosine phosphatase 1B (PTP1B) inhibitory compounds from Antarctic lichens, four new diterpene furanoids, hueafuranoids A-D (1-4) have been isolated from the MeOH extract of Antarctic lichen Huea sp. by various chromatographic methods. The structures of these compounds wer...

journal_title：Bioorganic & medicinal chemistry letters

authors： Cui Y,Yim JH,Lee DS,Kim YC,Oh H

更新日期：2012-12-15 00:00:00

abstract：:KIAA1363 is a serine hydrolase whose activity has been shown to be positively associated with tumor cell invasiveness. Thus, inhibitors of KIAA1363 represent a novel targeted therapy approach towards cancer. AX11890 ((1-bromo-2-naphthyl) N,N-dimethylcarbamate) was identified as a KIAA1363 inhibitor with an IC(50) valu...

journal_title：Bioorganic & medicinal chemistry letters

authors： Shreder KR,Lin EC,Wu J,Cajica J,Amantea CM,Hu Y,Okerberg E,Brown HE,Pham LM,Chung de M,Fraser AS,McGee E,Rosenblum JS,Kozarich JW

更新日期：2012-09-01 00:00:00

abstract：:A series of 7-alkyl ether derivatives related to zanamivir were synthesized using direct alkylation of the C-7 alcohol of sialic acid. Alkyl ether moiety of less than 12 carbons in length showed low nanomolar inhibitory activity against influenza A virus sialidase. Furthermore, their moiety improved influenza A virus ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Honda T,Masuda T,Yoshida S,Arai M,Kaneko S,Yamashita M

更新日期：2002-08-05 00:00:00

abstract：:Based on lead compound 1 identified from the patent literature, we developed novel patentable BACE-1 inhibitors by introducing a cyclic amine scaffold. Extensive SAR studies on both pyrrolidines and piperidines ultimately led to inhibitor 2f, one of the most potent inhibitors synthesized to date. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Iserloh U,Wu Y,Cumming JN,Pan J,Wang LY,Stamford AW,Kennedy ME,Kuvelkar R,Chen X,Parker EM,Strickland C,Voigt J

更新日期：2008-01-01 00:00:00

abstract：:A novel class of Growth Hormone Secretagogues (GHS), based on a tetrazole template, has been discovered. In vitro SAR and in vivo potency within this new class of GHS are described. The tetrazole 9q exhibits good oral bioavailability in rats and dogs as well as efficacy following an oral 10 mg/kg dose in dogs. Solutio...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hernández AS,Cheng PT,Musial CM,Swartz SG,George RJ,Grover G,Slusarchyk D,Seethala RK,Smith M,Dickinson K,Giupponi L,Longhi DA,Flynn N,Murphy BJ,Gordon DA,Biller SA,Robl JA,Tino JA

更新日期：2007-11-01 00:00:00