2-Cycloalkyl phenoxyacetic acid CRTh2 receptor antagonists.

abstract：:A carbosilane dendrimer (4a) and its silacyclopentadiene analog (4b), both functionalized with lactoses, were tested for their abilities to act as drug-delivery systems. The critical micelle concentrations of 4a and 4b were measured using the drop-volume method in water and were 1.7 and 2.9 μM, respectively, suggestin...

journal_title：Bioorganic & medicinal chemistry letters

authors： Aizawa H,Otomo K,Honsho N,Shimazaki T,Villeneuve M,Matsuoka K,Hatano K,Terunuma D

更新日期：2012-05-15 00:00:00

abstract：:Novel benzazepine oxazolidinone antibacterials were synthesized and evaluated against clinically relevant susceptible and resistant organisms. The effect of ring nitrogen position and N-substitution on antibacterial activity is examined. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Johnson PD,Aristoff PA,Zurenko GE,Schaadt RD,Yagi BH,Ford CW,Hamel JC,Stapert D,Moerman JK

更新日期：2003-12-01 00:00:00

abstract：:A series of 2-phenoxy-indan-1-one derivatives have been designed, synthesized, and tested as acetylcholinesterase inhibitors. The most potent compound exhibited high AChE inhibitory activity (IC50 = 50 nM), and the molecular docking study indicated that it was nicely accommodated by AChE. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sheng R,Lin X,Li J,Jiang Y,Shang Z,Hu Y

更新日期：2005-09-01 00:00:00

abstract：:The 1,3-dipolar cycloaddition of azomethine ylides derived from acenaphthenequinone and alpha-amino acids viz. sarcosine, phenylglycine, 1,3-thiazolane-4-carboxylic acid and proline to a series of 2,6-bis[(E)-arylmethylidene]cyclohexanones afforded novel spiro-heterocycles chemo-, regio- and stereoselectively in quant...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ranjith Kumar R,Perumal S,Manju SC,Bhatt P,Yogeeswari P,Sriram D

更新日期：2009-07-01 00:00:00

abstract：:Using a genetic selection we identified mutants of the M. janaschii tyrosyl-tRNA synthetase that selectively charge an amber suppressor tRNA with para-propargyloxyphenylalanine in Escherichia coli. These evolved tRNA-synthetase pairs were used to site-specifically incorporate an alkynyl group into a protein, which was...

journal_title：Bioorganic & medicinal chemistry letters

authors： Deiters A,Schultz PG

更新日期：2005-03-01 00:00:00

abstract：:In the search for a new class of histone deacetylase inhibitors, we prepared a series of simple benzofused hydroxamic acids to find an anchoring fragment of minimal molecular weight. These initial hits, all belonging to the benzothiophene class, showed very good ligand efficiencies. Following these findings, a classic...

journal_title：Bioorganic & medicinal chemistry letters

authors： Marastoni E,Bartoli S,Berettoni M,Cipollone A,Ettorre A,Fincham CI,Mauro S,Paris M,Porcelloni M,Bigioni M,Binaschi M,Nardelli F,Parlani M,Maggi CA,Fattori D

更新日期：2013-07-15 00:00:00

abstract：:Incubation of epicubenol synthase with farnesyl pyrophosphate in the presence of 11.1 atom% H2(18)O gave epicubenol (2) in which the hydroxyl oxygen atom was shown to be derived exclusively from water, as established by GC-selected ion monitoring MS of the derived TMS-epicubenol derivative (15). ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Cane DE,Ke N

更新日期：2000-01-17 00:00:00

abstract：:Enedione derivatives of thieno[2,3-d]oxazinones are nanomolar inhibitors of CMV protease which act through a novel dual acylation of the catalytic serine and alkylation of the protease cysteine 161 via a Michael addition to the enedione moiety of the inhibitor. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Pinto IL,Jarvest RL,Clarke B,Dabrowski CE,Fenwick A,Gorczyca MM,Jennings LJ,Lavery P,Sternberg EJ,Tew DG,West A

更新日期：1999-02-08 00:00:00

abstract：:The syntheses and anti-tuberculosis activity of quinolone-cephalosporin conjugates (1 and 2) are described. Both showed broad-spectrum antibacterial activity and significant anti-TB activity. The carbamate-linked quinolone-cephem 2 showed better antimycobacterial activity, including anti-TB activity, than the direct a...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zhao G,Miller MJ,Franzblau S,Wan B,Möllmann U

更新日期：2006-11-01 00:00:00

abstract：:Fifteen new alpha-acylaminoketones were prepared by four different routes in an initial effort to optimize the potency of these compounds as ecdysone agonists. The compounds were assayed in mammalian cells expressing the ecdysone receptors from Bombyx mori (BmEcR) and Choristoneura fumiferana (CfEcR) for their ability...

journal_title：Bioorganic & medicinal chemistry letters

authors： Tice CM,Hormann RE,Thompson CS,Friz JL,Cavanaugh CK,Saggers JA

更新日期：2003-06-02 00:00:00

abstract：:A new class of imine derivatives of hybrid chalcone analogues containing anthraquinone scaffold was synthesized and evaluated for their in vitro cytotoxic activity against HeLa, LS174, and A549 cancer cells. The compound 5n with furan ring linked to imino group showed potent activity against all target cells with IC50...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kolundžija B,Marković V,Stanojković T,Joksović L,Matić I,Todorović N,Nikolić M,Joksović MD

更新日期：2014-01-01 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：:Incorporation of a 4-hydroxy-N-acetylprolinol nucleotide analogue at the 3'-terminus of DNA or 2-5A-DNA sequences resulted in a significantly enhanced 3'-exonuclease resistance while the affinity for complementary RNA was only slightly decreased. Furthermore, the binding to and activation of human RNase L by thus modi...

journal_title：Bioorganic & medicinal chemistry letters

authors： Verheijen JC,van Roon AM,Meeuwenoord NJ,Stuivenberg HR,Bayly SF,Chen L,van der Marel GA,Torrence PF,van Boom JH

更新日期：2000-04-17 00:00:00

abstract：:Pd(II), Cu(II) and Zn(II) complexes (1-3) based on 4'-(4-(2-(piperidin-1-yl)ethoxy)phenyl)-2,2':6',2″-terpyridine were synthesized and characterized by UV, IR, NMR, EPR, HRMS, elemental analyses, and molar conductivity measurements. The cytotoxicity of these complexes against HL-60, BGC-823, KB, Bel-7402, A549, Hela, ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Chu W,Wang Y,Liu S,Yang X,Wang S,Li S,Zhou G,Qin X,Zhou C,Zhang J

更新日期：2013-09-15 00:00:00

abstract：:The inhibition of the newly discovered cytosolic carbonic anhydrase (CA, EC 4.2.1.1) isozyme XIII of murine origin (mCA XIII) has been investigated with a series of anions, such as the physiological ones (bicarbonate, chloride), or the metal complexing anions (cyanate, cyanide, azide, hydrogen sulfide, etc), nitrate, ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Innocenti A,Lehtonen JM,Parkkila S,Scozzafava A,Supuran CT

更新日期：2004-11-01 00:00:00

abstract：:A series of 43, 3a,4-dihydro-3H-indeno[1,2-c]pyrazole-2-carboxamide/carbothioamide analogues (D01-D43) were analysed using Petra, Osiris, Molinspiration and ALOGPS (POMA) to identify pharmacophore, toxicity prediction, lipophilicity and bioactivity. All the compounds were evaluated for anti-HIV activity. 3-(4-Chloroph...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ahsan MJ,Govindasamy J,Khalilullah H,Mohan G,Stables JP

更新日期：2012-12-01 00:00:00

abstract：:This paper describes the preliminary biological results that novel T-type calcium channel blockers inhibit the growth of human cancer cells by blocking calcium influx into the cell, based on unknown mechanism on the cell cycle responsible for cellular proliferation. Among the selected compounds from compound library, ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Lee JY,Park SJ,Park SJ,Lee MJ,Rhim H,Seo SH,Kim KS

更新日期：2006-10-01 00:00:00

abstract：:Indolinonic hydroxylamines (IH), representing a new type of antioxidants, are comparative to alpha-tocopherol to protect lipids from oxidation. To elucidate the structure-activity relationship for IH, B3LYP/6-31G(d, p) method was employed to calculate the O-H bond dissociation enthalpy (BDE), a theoretical parameter t...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zhang HY,Wang LF

更新日期：2002-01-21 00:00:00

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

authors： Mochizuki A,Nagata T,Kanno H,Takano D,Kishida M,Suzuki M,Ohta T

更新日期：2011-12-15 00:00:00

abstract：:The design and synthesis of a series of C28 amine-based betulinic acid derivatives as HIV-1 maturation inhibitors is described. This series represents a continuation of efforts following on from previous studies of C-3 benzoic acid-substituted betulinic acid derivatives as HIV-1 maturation inhibitors (MIs) that were e...

journal_title：Bioorganic & medicinal chemistry letters

authors： Chen Y,Sit SY,Chen J,Swidorski JJ,Liu Z,Sin N,Venables BL,Parker DD,Nowicka-Sans B,Lin Z,Li Z,Terry BJ,Protack T,Rahematpura S,Hanumegowda U,Jenkins S,Krystal M,Dicker ID,Meanwell NA,Regueiro-Ren A

更新日期：2018-05-15 00:00:00

abstract：:The synthesis and inhibitory activities of 10 potential inhibitors of Pfmrk, a Plasmodium falciparum cyclin-dependent protein kinase, are described. The most potent inhibitor is a 3-phenyl-quinolinone compound with an IC(50) value of 18 microM. It is the first compound reported to inhibit Pfmrk at the micro molar rang...

journal_title：Bioorganic & medicinal chemistry letters

authors： Xiao Z,Waters NC,Woodard CL,Li Z,Li PK

更新日期：2001-11-05 00:00:00

abstract：:Serine racemase, the enzyme responsible for d-serine synthesis in the central nervous system, has been identified as a potential therapeutic target to treat N-methyl-d-aspartate receptors-related pathologies. The search for specific inhibitors of the enzyme has revealed that serine racemase is a difficult target, with...

journal_title：Bioorganic & medicinal chemistry letters

authors： Dellafiora L,Marchetti M,Spyrakis F,Orlandi V,Campanini B,Cruciani G,Cozzini P,Mozzarelli A

更新日期：2015-10-01 00:00:00

abstract：:In the present study, an efficient synthesis of some Mannich base of 5-methyl-2-[(2-oxo-2H-chromen-3-yl)carbonyl]-2,4-dihydro-3H-pyrazol-3-one (4a-j) have been described by using conventional and non-conventional (microwave) techniques. Microwave assisted reactions showed that require shorter reaction time and good yi...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sivakumar KK,Rajasekaran A,Senthilkumar P,Wattamwar PP

更新日期：2014-07-01 00:00:00

abstract：:Monte Carlo statistical mechanics simulations have been carried out for 150 organic solutes in water. Physically significant descriptors such as the solvent-accessible surface area, numbers of hydrogen bonds, and indices for cohesive interactions in solids are correlated with pharmacologically important properties inc...

journal_title：Bioorganic & medicinal chemistry letters

authors： Jorgensen WL,Duffy EM

更新日期：2000-06-05 00:00:00

abstract：:Protein tyrosine phosphatase 1B (PTP1B) is a major negative regulator in insulin- and leptin-signaling cascades as well as a positive regulator in tumorigenesis, and much attention has been paid to PTP1B inhibitors as potential therapies for diabetes, obesity, and cancer. In the present study, the screening of a compo...

journal_title：Bioorganic & medicinal chemistry letters

authors： Li W,Li S,Higai K,Sasaki T,Asada Y,Ohshima S,Koike K

更新日期：2013-11-01 00:00:00

abstract：:A series of new triazole fused imidazo[2,1-b]thiazole hybrids (9a-u) were designed, synthesized and evaluated as antimicrobial agents. Compounds 9c, 9d, 9e, 9j and 9l showed promising broad spectrum antimicrobial activity. Further, compound 9c exhibited significant anti-biofilm activity with single and mixed biofilm d...

journal_title：Bioorganic & medicinal chemistry letters

authors： Shareef MA,Sirisha K,Sayeed IB,Khan I,Ganapathi T,Akbar S,Ganesh Kumar C,Kamal A,Nagendra Babu B

更新日期：2019-10-01 00:00:00

abstract：:Synthesis of the potent antiplasmodial 4-aminoquinoline, phenylequine (PQ), is reported for the first time. PQ and the two analogues show increased efficacy in moving from the chloroquine sensitive D10 to the chloroquine resistant K1 strain in vitro. The in vivo efficacy of PQ, and salts thereof, have been determined ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Blackie MA,Yardley V,Chibale K

更新日期：2010-02-01 00:00:00

abstract：:Twenty three side chain analogs of the crambescidin alkaloids were prepared from the corresponding pentacyclic zwitterionic core acid. In the crambescidin 800 and 657 series, potency increased with increasing chain length. In addition, substantial variations in tumor selectivity with structure were seen. Crambescidin ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Aron ZD,Pietraszkiewicz H,Overman LE,Valeriote F,Cuevas C

更新日期：2004-07-05 00:00:00

abstract：:Sphingosine-1-phosphate (S1P) is an important regulator of a wide variety of biological processes acting as an endogenous ligand to EDG/S1P receptors. In an effort to establish structure-activity relationship between EDG/S1P and ligands, we report herein homology modeling study of EDG-1/S1P(1), syntheses of S1P analog...

journal_title：Bioorganic & medicinal chemistry letters

authors： Lim HS,Park JJ,Ko K,Lee MH,Chung SK

更新日期：2004-05-17 00:00:00

abstract：:Novel, quinolone-fluoroquinolone conjugates 10a-f, 11a-f, 13a-f and 14a-f with amino acid linkers were synthesized in good yields utilizing benzotriazole chemistry. Antibacterial bioassay showed the synthesized bis-conjugates exhibit anti-bacterial properties comparable with the parent drugs. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Panda SS,Liaqat S,Girgis AS,Samir A,Hall CD,Katritzky AR

更新日期：2015-09-15 00:00:00