Abstract:
:The use of a tri-substituted acylhydrazine as an isostere of a tertiary amide was explored in a series of HCV NS5B thumb site II inhibitors. Direct replacement generated an analog with similar conformational and physicochemical properties. The series was extended to produce compounds with potent binding affinities and encouraging levels of cellular potency.
journal_name
Bioorg Med Chem Lettjournal_title
Bioorganic & medicinal chemistry lettersauthors
Canales E,Carlson JS,Appleby T,Fenaux M,Lee J,Tian Y,Tirunagari N,Wong M,Watkins WJdoi
10.1016/j.bmcl.2012.05.025subject
Has Abstractpub_date
2012-07-01 00:00:00pages
4288-92issue
13eissn
0960-894Xissn
1464-3405pii
S0960-894X(12)00628-2journal_volume
22pub_type
杂志文章abstract::We have optimized 2-aminomethylphenylamine derivative as a factor Xa inhibitor. Several polar functional groups were introduced in the central phenyl ring, and we focused on zwitter ionic compound showing continuous inhibitory activity in oral administration test. In vitro and oral activities were improved by optimiza...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2011.10.021
更新日期:2011-12-15 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
pub_type: 杂志文章
doi:10.1016/j.bmcl.2010.02.068
更新日期:2010-04-01 00:00:00
abstract::A novel method to generate RNA binding D-peptide has been developed. To achieve the screening method, phage display was applied to "Mirrored" RNA (L-enantiomer of RNA). We have selected pre-miR21 as an initial screening target to demonstrate the method. The mirrored pre-miR-21 binding peptide sequences were successful...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2017.01.023
更新日期:2017-02-15 00:00:00
abstract::The synthesis and structure-activity relationship studies of 1,4,5,6-tetrahydropyridazines are described. The target compounds 3-5 represent a novel class of potent and selective CB1 receptor antagonists. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2009.08.007
更新日期:2009-10-01 00:00:00
abstract::Enzastaurin (LY317615) is a potent and selective protein kinase C (PKC) inhibitor with an IC(50) value of ∼6 nM. [(11)C]Enzastaurin (3-(1-[(11)C]methyl-1H-indol-3-yl)-4-[1-[1-(2-pyridinylmethyl)-4-piperidinyl]-1H-indol-3-yl]-1H-pyrrole-2,5-dione), a new potential PET agent for imaging of PKC, was first designed and sy...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2011.01.100
更新日期:2011-03-15 00:00:00
abstract::Structure-based design and synthesis of the 3,4'-bispyridinylethylene series led to the discovery of 3-isoquinolinylpyridine 13a as a potent PKB/Akt inhibitor with an IC(50) of 1.3nM against Akt1. Compound 13a shows excellent selectivity against distinct families of kinases such as tyrosine kinases and CAMK, and displ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2005.12.065
更新日期:2006-04-01 00:00:00
abstract::Considering the therapeutic potential of fatty acid amides, the present study aimed to evaluate their in vitro activity against Toxocara canis larvae and their cytotoxicity for the first time. Linoleylpyrrolidilamide was the most potent, with a minimal larvicidal concentration (MLC) of 0.05 mg/mL and 27% cytotoxicity ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2016.01.002
更新日期:2016-02-01 00:00:00
abstract::Poor prognosis coupled with significant economic burden makes heart failure (HF) one of the largest issues currently facing the world population. Although a significant number of new therapies have emerged over the past 20 years to treat the underlying physiological risk factors, only two new medications specifically ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章,评审
doi:10.1016/j.bmcl.2018.03.064
更新日期:2018-05-15 00:00:00
abstract::Novel approaches that do not rely upon developing microbicidal compounds are sorely needed to combat multidrug resistant (MDR) bacteria. The potential of marine secondary metabolites to serve as a source of non-traditional anti-bacterial agents is demonstrated by showing that pyrrole-imidazole alkaloids inhibit biofil...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2016.11.018
更新日期:2016-12-15 00:00:00
abstract::Here we report a novel class of peptides-d-diaminopropionic acids (Dap)-for gene delivery. These peptides have attractive properties for gene delivery, and the advantage that they can be easily manipulated in relation to their composition, abiding with tailored-design. We characterized the toxicological and biophysica...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2012.06.103
更新日期:2012-09-01 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
pub_type: 杂志文章
doi:10.1016/j.bmcl.2009.07.143
更新日期:2009-09-15 00:00:00
abstract::A three-dimensional pharmacophore model has been generated for HIV-1 integrase (HIV-1 IN) from known inhibitors. A dataset consisting of 26 inhibitors was selected on the basis of the information content of the structures and activity data as required by the catalyst/HypoGen program. Our model was able to predict the ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2004.01.027
更新日期:2004-03-22 00:00:00
abstract::In the search for nicotinic acetylcholine receptor (nAChRs) agonists with a selective affinity for the homomeric alpha7 channels, we carried out the virtual screening of a test set of potential nicotinic ligands, and adopted a simplified MM-PBSA approach to estimate their relative binding free energy values. By means ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2009.09.073
更新日期:2009-11-15 00:00:00
abstract::AKT inhibitors containing an imidazopyridine aminofurazan scaffold have been optimized. We have previously disclosed identification of the AKT inhibitor GSK690693, which has been evaluated in clinical trials in cancer patients. Herein we describe recent efforts focusing on investigating a distinct region of this scaff...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2009.01.002
更新日期:2009-03-01 00:00:00
abstract::The structure-based approaches were implemented to design and rationally select the molecules for synthesis and anti-HCV activity evaluation. The systematic structure-activity relationships of previously discovered molecules (types I, II, III) were analyzed to design new molecules (type IV) by bioisosteric replacement...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2012.09.072
更新日期:2012-12-15 00:00:00
abstract::The synthesis and biological evaluation of trans-2,3-dihydroraloxifene, 2, is described. The synthesis proceeds in 8 steps in 20% overall yield. Relative trans 2,3-stereochemistry is definitively established in ester 6, which is converted to the title compound via derivatization, Grignard addition, and deprotection. E...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(99)00145-6
更新日期:1999-04-19 00:00:00
abstract::A novel class of cyclic nucleotide analogs has shown anti-HCMV activity. The synthesis as well as structure-activity relationship studies are presented. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(98)00648-9
更新日期:1998-12-15 00:00:00
abstract::A series of new voltage-gated sodium channel blockers were prepared based on the screening lead succinic diamide BPBTS. Replacement of the succinimide linker with the more rigid cyclic 1,2-trans-diamide linker was well tolerated. N-Methylation on the biphenylsulfonamide side of the amide moiety significantly reduced t...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2005.02.002
更新日期:2005-04-01 00:00:00
abstract::S1P receptors (S1PR1-5) are a group of GPCRs activated by a high affinity binding with S1P that have important roles in the regulation of the immune system. A potent S1PR agonist FTY720 is an immunomodulator used to treat multiple sclerosis and several 'second generation' drugs are under clinical development. Subtype-...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2016.11.050
更新日期:2017-01-01 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
pub_type: 杂志文章
doi:10.1016/j.bmcl.2009.04.116
更新日期:2009-07-01 00:00:00
abstract::The design and synthesis of new 1alpha,25-dihydroxy-19-norvitamin D(3) analogues 3a-c, which have an amide bond in the molecule instead of the diene, are described. The A-ring moiety was constructed by a (3S,5S)-3,5-dihydroxypiperidine derivative (9, 11, or 13) prepared from D-mannose, and a CD-ring carboxylic acid 16...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(02)00800-4
更新日期:2002-12-16 00:00:00
abstract::A novel class of HCV NS5B RNA dependent RNA polymerase inhibitors containing 3,4-dihydro-1H-[1]-benzothieno[2,3-c]pyran and 3,4-dihydro-1H-pyrano[3,4-b]benzofuran scaffolds were designed and synthesized. Optimization of the alkyl substituent in the pyran ring showed preference for an n-propyl group, while 5,8-disubsti...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2005.08.114
更新日期:2006-01-15 00:00:00
abstract::Although PK11195 binds to the peripheral benzodiazepine receptor with nanomolar affinity, significant data exist which suggest that it has another cellular target distinct from the PBR. Here we demonstrate that PK11195 inhibits F(1)F(0)-ATPase activity in an OSCP-dependent manner, similar to the pro-apoptotic benzodia...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2006.12.102
更新日期:2007-03-15 00:00:00
abstract::Systematic SAR studies of the different regioisomers and homologues of the spiro(indane-1,4-piperidine) moiety in the growth hormone secretagogue L-162,752 are presented. Among them, spiro(3H-1-benzopyran-2,3-piperidine) was found to afford secretagogues with low nanomolar in vitro activity. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(97)10199-8
更新日期:1998-01-06 00:00:00
abstract::A novel series of readily water soluble 8-methylureido-4,5-dihydro-4-oxo-10H-imidazo[1,2-a]indeno[1,2-e]++ +pyrazines were synthesized. The -10-yl acetic acid ((+)-3) and -10-carboxylidene (4) derivatives exhibit potent affinities (IC50=4 and 19 nM, respectively) and antagonist properties (IC50 = 2 and 3 nM, respectiv...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(00)00054-8
更新日期:2000-03-20 00:00:00
abstract::A simple and convenient method for the one-pot three-component synthesis of 3-pyranyl indoles has been accomplished by tandem Knoevenagel-Michael reaction of 3-cyanoacetyl indole, various aromatic aldehydes and malononitrile catalyzed by InCl(3) in ethanol under reflux conditions. The newly synthesized 3-pyranyl indol...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2010.07.039
更新日期:2010-09-01 00:00:00
abstract::Cyclic azobenzene carboxylic acid was synthesized using a shortened route. After reaction with D-threolinol, the resulting cyclic azobenzene-D-threolinol (cAB-Thr) building block was transformed into the corresponding DMTr-protected phosphoramidite, and incorporated into oligodeoxynucleotides at various positions and ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2015.10.043
更新日期:2015-12-01 00:00:00
abstract::A series of substituted 2-(aminoheteroaryl)-thiazole-5-carboxamide analogs have been synthesized as novel, potent inhibitors of the Src-family kinase p56Lck. Among them, compound 2 displayed superior in vitro potency and excellent in vivo efficacy. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2004.09.093
更新日期:2004-12-20 00:00:00
abstract::Cannabinoid CB2 PET tracers are considered as a promising alternative to PBR/TSPO tracers for the in-vivo imaging of neuroinflammation. We describe here the synthesis and characterization of compound 3, a new potent and brain penetrating CB2 ligand based on an original triazine template. The PET tracer [(18)F]-dideute...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2013.11.023
更新日期:2014-01-01 00:00:00
abstract::Thirty-two tetra-acylated derivatives of alisol A were synthesized and evaluated for their anti-hepatitis B virus (HBV) activities and cytotoxicities in vitro. Among the series of alisol A derivatives examined, five analogues were active against HBV surface antigen (HBsAg) and HBV e antigen (HBeAg) secretion in HepG 2...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2009.10.006
更新日期:2009-12-01 00:00:00