Design and synthesis of AX4697, a bisindolylmaleimide exo-affinity probe that labels protein kinase C alpha and beta.

abstract：:A series of novel pyrimido[1,2-b]indazoles 5, 7 have been prepared from 3-trifluoromethyl-5-phenyl-2,6-dicyano anilines 1 via novel indazole regioisomers 3 and 4 through a facile strategy. Specific examples were evaluated for anticancer activity in vitro and found to exhibit promising activity against A-549 cell lines...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yakaiah T,Lingaiah BP,Narsaiah B,Shireesha B,Ashok Kumar B,Gururaj S,Parthasarathy T,Sridhar B

更新日期：2007-06-15 00:00:00

abstract：:DNA is a promising functional molecule to modify and design lipid membrane functions. In order to use DNA in a hydrophilic-hydrophobic interface including lipid membrane, we have developed an amphiphilic DNA having dodecyl phosphotriester linkages (dod-DNA). Herein, we report the binding of a series of amphiphilic dod...

journal_title：Bioorganic & medicinal chemistry letters

authors： Makishi S,Shibata T,Okazaki M,Dohno C,Nakatani K

更新日期：2014-08-01 00:00:00

abstract：:The in vitro activity of novel 4-substituted imidazole antifungals was optimized by solid-phase chemistry and parallel synthesis. Potent yeast-selective as well as broad-spectrum antifungal compounds (32 and 20) were discovered. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Saha AK,Liu L,Marichal P,Odds F

更新日期：2000-12-18 00:00:00

abstract：:The synthesis and evaluation of small molecule antagonists of the G protein-coupled receptor NPBWR1 (GPR7) are reported for the first time. [4-(5-Chloropyridin-2-yl)piperazin-1-yl][(1S,2S,4R)-4-{[(1R)-1-(4-methoxyphenyl)ethyl]amino}-2-(thiophen-3-yl)cyclohexyl]methanone (1) emerged as a hit from a high-throughput scre...

journal_title：Bioorganic & medicinal chemistry letters

authors： Anthony Romero F,Hastings NB,Moningka R,Guo Z,Wang M,Di Salvo J,Lei Y,Trusca D,Deng Q,Tong V,Terebetski JL,Ball RG,Ujjainwalla F

更新日期：2012-01-15 00:00:00

abstract：:A set of 15mer linear oligoDNA probes bearing a modified nucleoside conjugated with a polyamine/fluorescein/anthraquinone reporting moiety were synthesized. In a single-stranded form, the fluorescence generated by the excitation of fluorescein was efficiently quenched, while marked recovery of the fluorescence was obs...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kodama S,Asano S,Moriguchi T,Sawai H,Shinozuka K

更新日期：2006-05-15 00:00:00

abstract：:A series of 3-aryl-2-propenoates including cinnamates, (E)-methyl/ethyl 3-[2-(1,4-dimethoxy-5,8-dione)naphthalenyl]-2-propenoates (8ba, 8bb) and (E)-methyl/ethyl 3-[2-(1,4-dihydroxy-9,10-dione)anthracenyl]-2-propenoates (9aa,9ab) was synthesized and evaluated for antitumor cytotoxicity. It was found that the ortho- or...

journal_title：Bioorganic & medicinal chemistry letters

authors： Nam NH,You YJ,Kim Y,Hong DH,Kim HM,Ahn BZ

更新日期：2001-05-07 00:00:00

abstract：:2-aminoethylbenzofurans constitute a new class of H(3) antagonists that are more rotationally constrained than most previously reported H(3) antagonists. They retain high potency at human and rat receptors, with efficient CNS penetration observed in 35. The SAR of the basic amine moiety was compared in three different...

journal_title：Bioorganic & medicinal chemistry letters

authors： Cowart M,Pratt JK,Stewart AO,Bennani YL,Esbenshade TA,Hancock AA

更新日期：2004-02-09 00:00:00

abstract：:Phosphoglycolo amidoxime and phosphoglycolo hydrazide, two new derivatives of phosphoglycolic acid, were synthesised and successfully tested as selective competitive inhibitors of class II FBP-aldolases. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Fonvielle M,Weber P,Dabkowska K,Therisod M

更新日期：2004-06-07 00:00:00

abstract：:Compounds belonging to a carbazole series have been identified as potent fungal plasma membrane proton adenosine triphophatase (H+-ATPase) inhibitors with a broad spectrum of antifungal activity. The carbazole compounds inhibit the adenosine triphosphate (ATP) hydrolysis activity of the essential fungal H+-ATPase, the...

journal_title：Bioorganic & medicinal chemistry letters

authors： Clausen JD,Kjellerup L,Cohrt KO,Hansen JB,Dalby-Brown W,Winther AL

更新日期：2017-10-01 00:00:00

abstract：:Sodium channel blocking, anticonvulsant activity, and sigma (sigma) binding of selected leads in a series of alpha-amino amide anticonvulsants were examined. While anticonvulsant compounds were always endowed with low micromolar sodium (Na+) channel site-2 binding, compounds with low site-2 Na+ channel affinity failed...

journal_title：Bioorganic & medicinal chemistry letters

authors： Pevarello P,Bonsignori A,Caccia C,Amici R,McArthur RA,Fariello RG,Salvati P,Varasi M

更新日期：1999-09-06 00:00:00

abstract：:Multiple regions of the 3-oxazolidinedione-6-naphthyl-pyridinone series identified via high throughput screening were explored. SAR studies of these regions including the left-hand side oxazolidinedione moiety, α-substituent on the oxazolidinedione ring, central pyridinone core, and substituents on the central pyridin...

journal_title：Bioorganic & medicinal chemistry letters

authors： Morales-Ramos ÁI,Li YH,Hilfiker M,Mecom JS,Eidam P,Shi D,Tseng PS,Brooks C,Zhang D,Wang N,Jaworski JP,Morrow D,Fries H,Edwards R,Jin J

更新日期：2011-05-15 00:00:00

abstract：:Pulvinone and several 3-fluoro-4-morpholino substituted pulvinone derivatives were synthesized in five steps from a common precursor, phenyl acetic acid. Most of synthetic morpholine substituted pulvinones showed inhibitory activity against Esherichia coli. For the first time, the inhibition of pulvinone and its deriv...

journal_title：Bioorganic & medicinal chemistry letters

authors： Xu HW,Xu C,Fan ZQ,Zhao LJ,Liu HM

更新日期：2013-02-01 00:00:00

abstract：:A fluorescent sensor based on a tripeptide (SerGluGlu) with a dansyl fluorophore detected selectively Al(III) among 16 metal ions in aqueous buffered solutions without any organic cosolvent. The peptide-based sensor showed a highly sensitive turn on response to aluminium ion with high binding affinity (1.84×10(4)M(-1)...

journal_title：Bioorganic & medicinal chemistry letters

authors： In B,Hwang GW,Lee KH

更新日期：2016-09-15 00:00:00

abstract：:Structure-activity relationship studies directed toward improving the metabolic stability of compound 1 resulted in the identification of 3-[5-(3,5-difluorophenyl)-3-({[(1S,3R)-3-fluorocyclopentyl]amino}methyl)-4-methyl-1H-pyrazol-1-yl]propanenitrile 39 (MK-1925) as a selective, orally available and brain-penetrable o...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kobayashi K,Tsujita T,Ito H,Ozaki S,Tani T,Ishii Y,Okuda S,Tadano K,Fukuroda T,Ohta H,Okamoto O

更新日期：2009-08-15 00:00:00

abstract：:We previously showed that fluorination of the carborane-containing selective estrogen receptor modulator (SERM) BE360 altered the agonist/antagonist activity balance and the estrogen receptor (ER) α/β subtype selectivity. Here, we designed and synthesized a series of fluorinated carboranyl phenols as candidate ERβ-sel...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ohta K,Ogawa T,Kaise A,Endo Y

更新日期：2013-12-15 00:00:00

abstract：:Steroidal glucocorticoids (GR agonists) have been widely used for the topical treatment of skin disorders, including atopic dermatitis. They are a very effective therapy, but they are associated with both unwanted local effects in the skin (skin thinning/atrophy) and systemic side effects. These effects can limit the ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Dack KN,Johnson PS,Henriksson K,Eirefelt S,Carnerup MA,Stahlhut M,Ollerstam AK

更新日期：2020-09-01 00:00:00

abstract：:The first non-substrate like inhibitors of human cytosolic phosphoenolpyruvate carboxykinase (PEPCK) competitive with GTP are reported. An effort to discover orally active compounds that improve glucose homeostasis in Type 2 diabetics by reversibly inhibiting PEPCK led to the discovery of 1-allyl-3-butyl-8-methylxanth...

journal_title：Bioorganic & medicinal chemistry letters

authors： Foley LH,Wang P,Dunten P,Ramsey G,Gubler ML,Wertheimer SJ

更新日期：2003-10-20 00:00:00

abstract：:Following the discovery of N-acyl-1,4-diazepan-2-one as a novel pharmacophore for potent and selective DPP-4 inhibitors, optimization of this new lead with different substitution on the seven-membered ring resulted in several highly potent and selective, orally bioavailable, and efficacious DPP-4 inhibitors, such as 3...

journal_title：Bioorganic & medicinal chemistry letters

authors： Liang GB,Qian X,Feng D,Biftu T,Eiermann G,He H,Leiting B,Lyons K,Petrov A,Sinha-Roy R,Zhang B,Wu J,Zhang X,Thornberry NA,Weber AE

更新日期：2007-04-01 00:00:00

abstract：:Quantitative fluorescence-based methods have been developed to determine the nuclear concentration of polyamide-fluorescein conjugates in cell culture. Confocal laser scanning microscopy and flow cytometry techniques are utilized to plot calibration curves, from which the nuclear concentration can be interpolated. Upo...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hsu CF,Dervan PB

更新日期：2008-11-15 00:00:00

abstract：:Subtype specific ligands are needed to evaluate the therapeutic potential of modulating the brain's neuropeptide Y system. The benzothiazepine glycinamide 1a was identified as an NPY5 antagonist lead. While having acceptable solubility, the compound was found to suffer from high clearance and poor exposure. Optimizati...

journal_title：Bioorganic & medicinal chemistry letters

authors： Wu L,Lu K,Desai M,Packiarajan M,Joshi A,Marzabadi MR,Jubian V,Andersen K,Chandrasena G,Boyle NJ,Walker MW

更新日期：2011-09-15 00:00:00

abstract：:The synthesis and evaluation of new analogues of thieno[2,3-d]pyrimidin-4-yl hydrazones are described. 2-Pyrdinecarboxaldehyde [6-(tert-butyl)thieno[2,3-d]pyrimidine-4-yl]hydrazone derivatives have been identified as cyclin-dependent kinase 4 (CDK4) inhibitors. The potency, selectivity profile, and structure-activity ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Horiuchi T,Chiba J,Uoto K,Soga T

更新日期：2009-01-15 00:00:00

abstract：:Proteases typically recognize their peptide substrates in extended conformations. General approaches for designing protease inhibitors often consist of peptidomimetics that feature this conformation. Herein we discuss a combination of computational and experimental studies to evaluate the potential of triazole-linked ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Jochim AL,Miller SE,Angelo NG,Arora PS

更新日期：2009-11-01 00:00:00

abstract：:Drug design efforts in the emerging 2-aminothiazole-4-carboxamide class of CHK1 inhibitors have uncovered specific combinations of key substructures within the molecule; resulting in significant improvements in cell-based activity while retaining a greater than one hundred-fold selectivity against CDK2. The X-ray crys...

journal_title：Bioorganic & medicinal chemistry letters

authors： Huang X,Cheng CC,Fischmann TO,Duca JS,Richards M,Tadikonda PK,Reddy PA,Zhao L,Siddiqui MA,Parry D,Davis N,Seghezzi W,Wiswell D,Shipps GW Jr

更新日期：2013-05-01 00:00:00

abstract：:We have synthesized a novel vitamin D receptor agonist VS-105 ((1R,3R)-5-((E)-2-((3αS,7αS)-1-((R)-1-((S)-3-hydroxy-2,3-dimethylbutoxy)ethyl)-7α-methyldihydro-1H-inden-4(2H,5H,6H,7H,7αH)-ylidene)ethylidene)-2-methylenecyclohexane-1,3-diol). Preparation of a-ring phenylphosphine oxide 11, followed by Wittig-Horner coupl...

journal_title：Bioorganic & medicinal chemistry letters

authors： Chen B,Kawai M,Wu-Wong JR

更新日期：2013-11-01 00:00:00

abstract：:Isoxazoles are frequently used amide isosteres, as shown in the context of discovery of CRTh2 antagonists from amide 1 to isoxazole 2. However, persistent agonism and poor solubility in isoxazole series presented challenges to its further development. Based on the concept of quality by design (QbD), 5,5-disubstituted ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Xiao D,Zhu X,Yu Y,Shao N,Wu J,McCormick KD,Dhondi P,Qin J,Mazzola R,Tang H,Rao A,Siliphaivanh P,Qiu H,Yang X,Rivelli M,Garlisi CG,Eckel S,Mukhopadhyay G,Correll C,Rindgen D,Aslanian R,Palani A

更新日期：2014-03-15 00:00:00

abstract：:The complex of the recombinant fusion protein of apoPholasin and glutathione S-transferase (GST-apoPholasin) with non-fluorescent dehydrocoelenterazine (dCTZ) (GST-apoPholasin/dCTZ complex) shows yellow fluorescence at 539 nm by excitation at 430 nm. The GST-apoPholasin/dCTZ complex with a fluorophore (dCTZ*) has cons...

journal_title：Bioorganic & medicinal chemistry letters

authors： Inouye S,Nakamura M,Taguchi J,Hosoya T

更新日期：2020-10-01 00:00:00

abstract：:Mammalian target of rapamycin (mTOR) is a promising target for the development of anticancer medicines. Here, we report the first example for a successful application of the structure-based virtual screening to identify new mTOR inhibitors. Using the scoring function improved by implementing the ligand solvation effec...

journal_title：Bioorganic & medicinal chemistry letters

authors： Park H,Choe H,Hong S

更新日期：2014-02-01 00:00:00

abstract：:A novel series of indole/indazole-aminopyrimidines was designed and synthesized with an aim to achieve optimal potency and selectivity for the c-Jun kinase family or JNKs. Structure guided design was used to optimize the series resulting in a significant potency improvement. The best compound (17) has IC50 of 3 nM for...

journal_title：Bioorganic & medicinal chemistry letters

authors： Gong L,Han X,Silva T,Tan YC,Goyal B,Tivitmahaisoon P,Trejo A,Palmer W,Hogg H,Jahagir A,Alam M,Wagner P,Stein K,Filonova L,Loe B,Makra F,Rotstein D,Rapatova L,Dunn J,Zuo F,Dal Porto J,Wong B,Jin S,Chang A,T

更新日期：2013-06-15 00:00:00

abstract：:In this study, we synthesized a series of enantiomerically pure (2R,3S)-disubstituted tetrahydropyranes with diverse functional groups using known methodologies. In addition to the tert-butyl dimethyl silyl group, other common protecting groups for hydroxyl groups such as allyl, acetate, and benzoate were used to obta...

journal_title：Bioorganic & medicinal chemistry letters

authors： Donadel OJ,Martín T,Martín VS,Villar J,Padrón JM

更新日期：2005-08-01 00:00:00

abstract：:The eryA gene of the bacterial pathogen Brucella abortus has been functionally expressed in Escherichia coli. The resultant EryA was shown to catalyze the ATP-dependent conversion of erythritol to L-erythritol-4-phosphate (L-E4P). The steady state kinetic parameters of this reaction were determined and the enzyme was ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Lillo AM,Tetzlaff CN,Sangari FJ,Cane DE

更新日期：2003-02-24 00:00:00