Design and synthesis of peptide-based carboxylic acid-containing transition-state inhibitors of human neutrophil elastase.

abstract：:Based on a series of diaryl amides the corresponding inverse amides have been found to be potent TRPV1 receptor antagonists. Benzimidazole and indazolone derivatives prepared retained good potency in vitro and indazolone 4a was identified as a novel TRPV1 receptor antagonist suitable for evaluating orally in animal mo...

journal_title：Bioorganic & medicinal chemistry letters

authors： Fletcher SR,McIver E,Lewis S,Burkamp F,Leech C,Mason G,Boyce S,Morrison D,Richards G,Sutton K,Jones AB

更新日期：2006-06-01 00:00:00

abstract：:PIM1 is a proto-oncogene encoding the serine/threonine PIM1 kinase. PIM1 kinase plays important roles in regulating aspects of cell cycle progression, apoptosis resistance, and has been implicated in the development of such malignancies as prostate cancer and acute myeloid leukemia among others. Knockout of PIM1 kinas...

journal_title：Bioorganic & medicinal chemistry letters

authors： Schroeder RL,Goyal N,Bratton M,Townley I,Pham NA,Tram P,Stone T,Geathers J,Nguyen K,Sridhar J

更新日期：2016-07-01 00:00:00

abstract：:The essential oils from leaves of Piper malacophyllum (Piperaceae) showed to be mainly composed by two alkenylphenol derivatives: gibbilimbols A and B. After isolation and structural characterization by NMR and MS data analysis, both compounds were evaluated against promastigote/amastigote forms of Leishmania (L.) inf...

journal_title：Bioorganic & medicinal chemistry letters

authors： Varela MT,Dias RZ,Martins LF,Ferreira DD,Tempone AG,Ueno AK,Lago JH,Fernandes JP

更新日期：2016-02-15 00:00:00

abstract：:The discovery and optimisation of novel, potent and selective small molecule inhibitors of the α-isoform of type III phosphatidylinositol-4-kinase (PI4Kα) are described. Lead compounds show cellular activity consistent with their PI4Kα potency inhibiting the accumulation of IP1 after PDGF stimulation and reducing cell...

journal_title：Bioorganic & medicinal chemistry letters

authors： Raubo P,Andrews DM,McKelvie JC,Robb GR,Smith JM,Swarbrick ME,Waring MJ

更新日期：2015-08-15 00:00:00

abstract：:Non peptide products have been found to show nanomolar binding and functional affinities at the human tachykinin NK-2 receptor. The new antagonists do not possess stereogenic centers and their thermal behaviour in solution is featured by a peculiar set of conformational stereoisomers. A macroscopic viewpoint is prefer...

journal_title：Bioorganic & medicinal chemistry letters

authors： Altamura M,Canfarini F,Catalioto RM,Guidi A,Pasqui F,Renzetti AR,Triolo A,Maggi CA

更新日期：2002-10-21 00:00:00

abstract：:A series of imidazolopyrazinones 3, substituted at C-2, and C-2/C-6, has been prepared. The compounds behaved as quenchers of superoxide anion. The more active compounds are structurally related to coelenterazine, a natural substrate of marine bioluminescence. Theoretical parameters based on Hartree-Fock instabilities...

journal_title：Bioorganic & medicinal chemistry letters

authors： Devillers I,Dive G,De Tollenaere C,Falmagne B,de Wergifosse B,Rees JF,Marchand-Brynaert J

更新日期：2001-09-03 00:00:00

abstract：:Positive allosteric modulation of metabotropic glutamate receptor 5 (mGluR5) is regarded as a potential novel treatment for schizophrenic patients. Herein we report the synthesis and SAR of 4-aryl piperazine and piperidine amides as potent mGluR5 positive allosteric modulators (PAMs). Several analogs have excellent ac...

journal_title：Bioorganic & medicinal chemistry letters

authors： Xiong H,Brugel TA,Balestra M,Brown DG,Brush KA,Hightower C,Hinkley L,Hoesch V,Kang J,Koether GM,McCauley JP Jr,McLaren FM,Panko LM,Simpson TR,Smith RW,Woods JM,Brockel B,Chhajlani V,Gadient RA,Spear N,Sygowski LA

更新日期：2010-12-15 00:00:00

abstract：:A new class of chymase inhibitor featuring a benzimidazolone core with an acid side chain and a P(1) hydrophobic moiety is described. Incubation of the lead compound with GSH resulted in the formation of a GSH conjugate on the benzothiophene P(1) moiety. Replacement of the benzothiophene with different heterocyclic sy...

journal_title：Bioorganic & medicinal chemistry letters

authors： Lo HY,Nemoto PA,Kim JM,Hao MH,Qian KC,Farrow NA,Albaugh DR,Fowler DM,Schneiderman RD,Michael August E,Martin L,Hill-Drzewi M,Pullen SS,Takahashi H,De Lombaert S

更新日期：2011-08-01 00:00:00

abstract：:Substituted dihydroquinozalin-2-ones (1-16) have been synthesized easily by the use of copper-catalyzed coupling method. The reactions of 2-haloanilines with a variety of alpha-amino acids in the presence of copper (I) iodide gave corresponding 3-substituted dihydroquinozalin-2-ones in up to 86% yield. Some new quinox...

journal_title：Bioorganic & medicinal chemistry letters

authors： Tanimori S,Nishimura T,Kirihata M

更新日期：2009-08-01 00:00:00

abstract：:The catalytic subunit of the Ser/Thr protein phosphatase 1 (PP1cat) hydrolyses N-acetyl Arg-Arg-Ala-phosphoThr-Val-Ala (K(M) = 3.7 mM) in a reaction that is inhibited competitively by inorganic phosphate (Pi, Ki = 1.6 mM) but unaffected by the product peptide alcohol at concentrations up to 3 mM. The enzyme does not c...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sanvoisin J,Gani D

更新日期：2001-02-26 00:00:00

abstract：:A group of tri and tetrasubstituted urea derivatives have been found to be hH(3)-antagonists. The most potent compounds were found in the class of (piperazine-1-yl)-(piperidine-1-yl)-methanones which in addition showed negligible hERG inhibition. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Lau JF,Jeppesen CB,Rimvall K,Hohlweg R

更新日期：2006-10-15 00:00:00

abstract：:PTPases are considered to be involved in the etiology of diabetes mellitus and neural diseases, such as Alzheimer's disease and Parkinson's disease. Therefore, PTPase inhibitors should be useful tools to study the role of PTPases in these diseases and other biological phenomena, and which can be developed into chemoth...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ahmad G,Mishra PK,Gupta P,Yadav PP,Tiwari P,Tamrakar AK,Srivastava AK,Maurya R

更新日期：2006-04-15 00:00:00

abstract：:We report the discovery of a novel, chiral azetidine urea inhibitor of Fatty Acid Amide Hydrolase (FAAH,) and describe the surprising species selectivity of VER-156084 versus rat and human FAAH and also hCB1. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hart T,Macias AT,Benwell K,Brooks T,D'Alessandro J,Dokurno P,Francis G,Gibbons B,Haymes T,Kennett G,Lightowler S,Mansell H,Matassova N,Misra A,Padfield A,Parsons R,Pratt R,Robertson A,Walls S,Wong M,Roughley S

更新日期：2009-08-01 00:00:00

abstract：:We report a rapid method for profiling of kinases using a strategy that couples the merits of combinatorics (in rapid diversity generation) with the throughput attainable using microarrays (in parallel screening). Alanine-scanning, deletion and positional-scanning peptide libraries of a kinase substrate were synthesiz...

journal_title：Bioorganic & medicinal chemistry letters

authors： Uttamchandani M,Chan EW,Chen GY,Yao SQ

更新日期：2003-09-15 00:00:00

abstract：:Functionalized 1,3-teraryls, synthesized through ring transformation of 6-aryl-3-carbomethoxy-4-methylthio-2H-pyran-2-one from arylketone have been screened for their hepatoprotective activity and of them have demonstrated significant protection in animal model. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ram VJ,Goel A,Patnaik GK

更新日期：1998-03-03 00:00:00

abstract：:Vancomycin resistance is currently a major healthcare problem. The development of a catalytic monoclonal antibody (mAb) that hydrolyzes the D-Ala-D-Lac depsipeptide provides a potentially novel antibiotic strategy. A phosphonate hapten design was used to program antibody catalysis. The characteristics of the hapten we...

journal_title：Bioorganic & medicinal chemistry letters

authors： Isomura S,Ashley JA,Wirsching P,Janda KD

更新日期：2002-03-25 00:00:00

abstract：:Among a series of taxinine (1) and its designed derivatives (2-33), two taxoids (29 and 33) increased cellular accumulation of vincristine in multidrug-resistant tumor cells more potently than verapamil, while the activities of eight taxoids (11, 14-16, 22, and 30-32) were comparable with that of verapamil. These resu...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hosoyama H,Shigemori H,Tomida A,Tsuruo T,Kobayashi J

更新日期：1999-02-08 00:00:00

abstract：:A series of alisol A derivatives were synthesized and evaluated for their anti-hepatitis B virus (HBV) activities and cytotoxicities in vitro. The preliminary investigation demonstrates that simple modifications of the parent structure of alisol A can produce a number of potentially important derivatives against HBV. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zhang Q,Jiang ZY,Luo J,Cheng P,Ma YB,Zhang XM,Zhang FX,Zhou J,Chen JJ

更新日期：2008-08-15 00:00:00

abstract：:Modification of the major insecticide fipronil (1) by replacing three pyrazole substituents (hydrogen for both cyano and amino and trifluoromethyldiazirinyl for trifluoromethylsulfinyl) gives a candidate photoaffinity probe (3) of high potency (IC(50) 2-28 nM) in blocking the chloride channel of Drosophila and human b...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sirisoma NS,Ratra GS,Tomizawa M,Casida JE

更新日期：2001-11-19 00:00:00

abstract：:The first example of dual inhibitors for matrix metalloproteinase (MMP) and cathepsin is described. An appropriate alignment of peptide-parts and two different specific functional groups in one molecule led to the discovery of a potent dual inhibitor (3a). ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yamamoto M,Ikeda S,Kondo H,Inoue S

更新日期：2002-02-11 00:00:00

abstract：:A non-methionine FT inhibitor lead structure (1) was designed through computer modeling of the peptidomimetic FT inhibitor ABT839. Optimization of this lead resulted in compounds 2e and 2g, with FT IC(50) values of 1.3 and 1.8 nM, GGT IC(50) of 1400 nM, and EC(50) (Ras processing) values of 13 and 11 nM, respectively....

journal_title：Bioorganic & medicinal chemistry letters

authors： Wang GT,Wang X,Wang W,Hasvold LA,Sullivan G,Hutchins CW,O'Conner S,Gentiles R,Sowin T,Cohen J,Gu WZ,Zhang H,Rosenberg SH,Sham HL

更新日期：2005-01-03 00:00:00

abstract：:Telomerase and telomere maintenance are emerging targets for the treatment of human cancers. We report here on the targeting of the telomere-telomerase complex with a series of small molecules based on an acridine platform. A series of 3,6-bisamidoacridines with extended 9-anilino sidechains were designed and synthesi...

journal_title：Bioorganic & medicinal chemistry letters

authors： Schultes CM,Guyen B,Cuesta J,Neidle S

更新日期：2004-08-16 00:00:00

abstract：:A novel 6-aminopurine scaffold bearing an N9-cis-cyclobutyl moiety was designed using structure-based molecular design based on two known CDK inhibitors, dinaciclib and Cmpd-27. A series of novel 6-aminopurine compounds was prepared for structure-activity relationship (SAR) studies of CDK2 and CDK5 inhibitors. Among t...

journal_title：Bioorganic & medicinal chemistry letters

authors： Park SJ,Kim E,Yoo M,Lee JY,Park CH,Hwang JY,Ha JD

更新日期：2017-09-15 00:00:00

abstract：:A new hepatitis C virus (HCV) protease inhibitor designated as Sch 351633 (1) was isolated from the fungus, Penicillium griseofulvum. Structure elucidation of 1 was accomplished by analysis of spectroscopic data, which determined compound 1 to be a bicyclic hemiketal lactone. Compound 1 exhibited inhibitory activity i...

journal_title：Bioorganic & medicinal chemistry letters

authors： Chu M,Mierzwa R,He L,King A,Patel M,Pichardo J,Hart A,Butkiewicz N,Puar MS

更新日期：1999-07-19 00:00:00

abstract：:A novel solid-phase synthesis of 5'-radiolabeled oligonucleotides is described. The labeling reaction is carried out by the phosphoramidite method with the aid of [4,6-di-14C]-5'-dimethoxytritylthymidine building block 1. The feasibility of the method is demonstrated by preparation of 3'-phosphorylated dodecathymidyla...

journal_title：Bioorganic & medicinal chemistry letters

authors： Guzaev A,Boyode B,Balow G,Tivel KL,Manoharan M

更新日期：1998-05-05 00:00:00

abstract：:Synthetic modifications on a 6-furanylquinazoline scaffold to optimize the dual ErbB-1/ErbB-2 tyrosine kinase inhibition afforded consistent SAR whereby a 4-(3-fluorobenzyloxy)-3-haloanilino provided the best enzyme potency and cellular selectivity. Changes made to the 6-furanyl group had little impact on the enzyme a...

journal_title：Bioorganic & medicinal chemistry letters

authors： Petrov KG,Zhang YM,Carter M,Cockerill GS,Dickerson S,Gauthier CA,Guo Y,Mook RA Jr,Rusnak DW,Walker AL,Wood ER,Lackey KE

更新日期：2006-09-01 00:00:00

abstract：:Synthesis of a symmetrically branched diglycerol (BGL002, involving one iminodiacetic residue) as a G2 dendron, and the tetradecaglycerol (BGL014, involving one iminodiacetic residue) as a G4 dendron, is described. Several members of the BGL family of G2-G4 dendrons were assembled, with G2 bearing four hydroxyl groups...

journal_title：Bioorganic & medicinal chemistry letters

authors： Nemoto H,Ishihara A,Araki T,Katagiri A,Kamiya M,Matsushita T,Hattori H,Mimura Y,Tomoda Y,Yamasaki M

更新日期：2011-08-15 00:00:00

abstract：:The highly selective agonists of the A(3) adenosine receptor (AR), Cl-IB-MECA (2-chloro-N(6)-(3-iodobenzyl)-5'-N-methylcarboxamidoadenosine), and its 4'-thio analogue, were successfully converted into selective antagonists simply by appending a second N-methyl group on the 5'-uronamide position. The 2-chloro-5'-(N,N-d...

journal_title：Bioorganic & medicinal chemistry letters

authors： Gao ZG,Joshi BV,Klutz AM,Kim SK,Lee HW,Kim HO,Jeong LS,Jacobson KA

更新日期：2006-02-01 00:00:00

abstract：:In the course of a study of 6-N-amino-substituted analogues of NB-506 (1), a more potent anticancer drug, J-109,404 (2), in which the formyl group of NB-506 was replaced with a 1,3-dihydroxypropane group, was reported. A study of further modification in the positions of two hydroxyl groups at the indole rings of 2 res...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ohkubo M,Nishimura T,Honma T,Nishimura I,Ito S,Yoshinari T,Suda HA,Morishima H,Nishimura S

更新日期：1999-12-06 00:00:00

abstract：:Derivatives of phaeosphaeride A (PPA) were synthesised and characterised; then anti-cancer studies were carried out on the A549 cancer cell line. It was found that the acetyl derivative (compound 3) displayed comparable in vitro cytotoxicity to that of PPA (EC50=49±7 μM and EC50=46±5 μM, respectively), while chloroace...

journal_title：Bioorganic & medicinal chemistry letters

authors： Abzianidze VV,Prokofieva DS,Chisty LA,Bolshakova KP,Berestetskiy AO,Panikorovskii TL,Bogachenkov AS,Holder AA

更新日期：2015-12-01 00:00:00