Pyrimido-oxazepine as a versatile template for the development of inhibitors of specific kinases.

abstract：:The affinity of a series of 2', 3'- and 5-modified thymidine analogues for Mycobacterium tuberculosis thymidine monophosphate kinase (TMPKmt) was evaluated. The affinities of several non-phosphorylated analogues are in the same order of magnitude as those of their phosphorylated congeners. In view of drug delivery pro...

journal_title：Bioorganic & medicinal chemistry letters

authors： Vanheusden V,Van Rompaey P,Munier-Lehmann H,Pochet S,Herdewijn P,Van Calenbergh S

更新日期：2003-09-15 00:00:00

abstract：:In order to obtain information regarding the design of selective DPP4 inhibitors, a 3D-QSAR study was conducted using DPP4, DPP8, and DPP9 inhibitors including newly synthesized six- and seven-membered cyclic hydrazine derivatives (KR64300, KR64301), which were evaluated in vitro for their inhibition of DPP4, DPP8, an...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kang NS,Ahn JH,Kim SS,Chae CH,Yoo SE

更新日期：2007-07-01 00:00:00

abstract：:The NMR structures of gentamicin and paromomycin in complex with the A-site of Escherichia coli 16S ribosomal RNA were modified with molecular modeling to 12 analogues. The intermolecular interactions between these molecules and RNA were examined using the HINT (Hydropathic INTeractions) computational model to obtain ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Cashman DJ,Rife JP,Kellogg GE

更新日期：2001-01-22 00:00:00

abstract：:Mismatch binding protein MutS binding to bulge structure in DNA duplexes was controlled by UV irradiation. 4-O-(2-Nitrobenzyl)thymidine or 4-O-[2-(2-nitrophenyl)propyl]thymidine was incorporated into DNA duplexes a bulged position. The MutS did not bind to the caged DNA duplexes but bound after removing the 2-nitroben...

journal_title：Bioorganic & medicinal chemistry letters

authors： Seio K,Ohno Y,Ohno K,Takeshita L,Kanamori T,Masaki Y,Sekine M

更新日期：2016-10-01 00:00:00

abstract：:The use of cell-membrane translocating sequences for intracellular delivery of peptides can be a powerful approach to validate drug discovery targets in cellular settings. To accomplish this, a protocol has been implemented to couple the antennapedia third helix (residues 43-58) to a potent antagonist of the p53/hdm2 ...

journal_title：Bioorganic & medicinal chemistry letters

authors： García-Echeverría C,Furet P,Chène P

更新日期：2001-08-20 00:00:00

abstract：:A series of 8-heteroarylthiomethyldipyridodiazepinone derivatives were prepared and evaluated for their antiviral profile against wild type virus and the important K103N/Y181C mutant as an indicator for broad activity. 2,6-Dimethylpyridine derivative 16 was found to have a good pharmacokinetic profile in spite of poor...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yoakim C,Bonneau PR,Déziel R,Doyon L,Duan J,Guse I,Landry S,Malenfant E,Naud J,Ogilvie WW,O'Meara JA,Plante R,Simoneau B,Thavonekham B,Bös M,Cordingley MG

更新日期：2004-02-09 00:00:00

abstract：:Cross-linkage of the branches of poly(ethylenimine) (PEI) suppresses flexibility of the polymer as revealed by decreased affinity of the amino groups on PEI backbone towards proton or Ni(II) ion. The cross-linkage improves ability of the PEI derivative equipped with beta-cyclodextrin to deacylate an ester containing t...

journal_title：Bioorganic & medicinal chemistry letters

authors： Suh J,Noh YS

更新日期：1998-06-02 00:00:00

abstract：:The success in exploring anti-tubercular potency of nitroimidazole and quinoline, the core moieties of recently approved anti-tubercular drugs instigated us to synthesize a series of alkylated/aminated 2-methyl-5-nitroimidazoles and nitroimidazole-7-chloroquinoline conjugates and to evaluate them for their activities ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Shalini,Viljoen A,Kremer L,Kumar V

更新日期：2018-05-01 00:00:00

abstract：:The synthesis and the SAR of a new series of potent and selective dopamine D(3) receptor antagonists is reported. The new scaffolds of the [g]-fused and the hetero-fused tricyclic benzazepine are here reported together with their pharmacokinetic profile. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Micheli F,Bonanomi G,Braggio S,Capelli AM,Damiani F,Di Fabio R,Donati D,Gentile G,Hamprecht D,Perini O,Petrone M,Tedesco G,Terreni S,Worby A,Heidbreder C

更新日期：2008-02-01 00:00:00

abstract：:A novel series of prodrugs containing dabigatran and methyl (E)-3-(4-hydroxy-2-methoxyphenyl)propenoate (methyl ferulate) were synthesized. All of them reveal the effect of thrombin-induced anti-platelet aggregation in vitro. In addition, in vivo experiment shows that one of the target compounds, X-2 (ED50=3.7 ± 1.0 μ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yang XZ,Diao XJ,Yang WH,Li F,He GW,Gong GQ,Xu YG

更新日期：2013-04-01 00:00:00

abstract：:The synthesis and in vitro Class III antiarrhythmic activity of several 4-aroyl (and aryl)-1-aralkylpiperazine and piperidine derivatives are described. Among several potent compounds identified in the series, RWJ-28810 (3), with its EC20 of 3 nM, ranks as one of the most potent (in vitro) compounds reported. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kanojia RM,Salata JJ,Kauffman J

更新日期：2000-12-18 00:00:00

abstract：:Enhancer of zeste homolog 2 (EZH2) serves as the catalytic subunit of the polycomb repression complex 2 (PRC2), which is implicated in cancer progression metastasis and poor prognosis. Based on our EZH2 inhibitor SKLB1049 with low nanomolar activity, we extended the "tail" region to get a series of (E)-1,2-diphenyleth...

journal_title：Bioorganic & medicinal chemistry letters

authors： He H,Hu X,Teng F,Liu Z,Zhang Q,Feng Z,Feng Q,Yu L

更新日期：2020-03-01 00:00:00

abstract：:In the present communication we prepared a series of six 4-hydroxycoumarin derivatives, isosters of quercetin, recognized as an antioxidant natural compound, with the aim of evaluating the antitrypanosomal activity against Trypanosoma cruzi, the parasite responsible for Chagas disease, and the antioxidant properties. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Pérez-Cruz F,Serra S,Delogu G,Lapier M,Maya JD,Olea-Azar C,Santana L,Uriarte E

更新日期：2012-09-01 00:00:00

abstract：:A series of substituted sulfonamide bioisosteres of 8-hydroxyquinoline were evaluated for their antibacterial activity against the common mastitis causative pathogens Streptococcus uberis, Staphylococcus aureus and Escherichia coli, both in the presence and absence of supplementary zinc. Compounds 9a-e, 10a-c, 11a-e, ...

journal_title：Bioorganic & medicinal chemistry letters

authors： McGowan JE,Harper AD,Davison EK,Jeong JY,Mros S,Harbison-Price N,Van Zuylen EM,Knottenbelt MK,Heikal A,Ferguson SA,McConnell MA,Cook GM,Krittaphol W,Walker GF,Brimble MA,Rennison D

更新日期：2020-06-01 00:00:00

abstract：:Nitric oxide (NO), a mediator of various physiological and pathophysiological processes, is synthesized by three isozymes of nitric oxide synthase (NOS). Potential candidate clinical drugs should be devoid of inhibitory activity against endothelial NOS (eNOS), since eNOS plays an important role in maintaining normal b...

journal_title：Bioorganic & medicinal chemistry letters

authors： Le Bourdonnec B,Leister LK,Ajello CA,Cassel JA,Seida PR,O'Hare H,Gu M,Chu GH,Tuthill PA,DeHaven RN,Dolle RE

更新日期：2008-01-01 00:00:00

abstract：:Histone deacetylase (HDAC) inhibitors modulate various cellular functions including proliferation, differentiation, and apoptosis. Vorinostat (SuberAniloHydroxamic Acid, SAHA) is the first HDAC inhibitor approved by FDA for cancer treatment. However, SAHA distributes in cancer tissue and normal tissue in similar level...

journal_title：Bioorganic & medicinal chemistry letters

authors： Idippily ND,Gan C,Orefice P,Peterson J,Su B

更新日期：2017-02-15 00:00:00

abstract：:Aiming to develop a new (99m)Tc-labeled folate derivative for FR-positive tumor imaging, a simpler method has been established to synthesize the folate-drug conjugates with free α-carboxyl group. In this study, the conjugate pteroyl-lys-HYNIC was synthesized and labeled with (99m)Tc using tricine and TPPTS as co-ligan...

journal_title：Bioorganic & medicinal chemistry letters

authors： Guo H,Xie F,Zhu M,Li Y,Yang Z,Wang X,Lu J

更新日期：2011-04-01 00:00:00

abstract：:Macrocyclic bis(bibenzyl)-type phenolic natural products, found exclusively in bryophytes, exhibit potent antibacterial activity towards methicillin-resistant Staphylococcus aureus (anti-MRSA activity). Here, in order to identify the minimum essential structure for cell membrane leakage-mediated anti-MRSA activity of ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Fujii K,Morita D,Onoda K,Kuroda T,Miyachi H

更新日期：2016-05-01 00:00:00

abstract：:A series of 1,7-diaminoisoquinolinamines, that are expected to mediate antimalarial activity by the same mechanism employed by the chalcones, were produced. Six 7-benzylamino-1-isoquinolinamines were found to be submicromolar inhibitors in vitro of drug-resistant Plasmodium falciparum, with the best possessing activit...

journal_title：Bioorganic & medicinal chemistry letters

authors： Gutteridge CE,Hoffman MM,Bhattacharjee AK,Milhous WK,Gerena L

更新日期：2011-01-15 00:00:00

abstract：:Isodesmosine and desmosine are crosslinking amino acids that are present only in elastin. They are useful biomarkers for the degradation of elastin, which occurs during the progression of chronic obstructive pulmonary disease (COPD) and related diseases. This Letter describes the synthesis of [(13)C3,(15)N1]-labeled i...

journal_title：Bioorganic & medicinal chemistry letters

authors： Tanigawa T,Komatsu A,Usuki T

更新日期：2015-01-01 00:00:00

abstract：:The diacylglycerol acyltransferase enzyme, DGAT1, presents itself as a potential target for obesity as this enzyme is dedicated to the final committed step in triglyceride biosynthesis. Biphenyl ureas, exemplified by compound 4, have been reported to be potent hDGAT1 inhibitors. We have synthesized and evaluated 2-pyr...

journal_title：Bioorganic & medicinal chemistry letters

authors： Motiwala H,Kandre S,Birar V,Kadam KS,Rodge A,Jadhav RD,Mahesh Kumar Reddy M,Brahma MK,Deshmukh NJ,Dixit A,Doshi L,Gupte A,Gangopadhyay AK,Vishwakarma RA,Srinivasan S,Sharma M,Nemmani KV,Sharma R

更新日期：2011-10-01 00:00:00

abstract：:A series of orthoalkylaminophenol derivatives was synthesized and tested in vitro with respect to their neuroprotective effect. Some of these compounds exhibited a potent antioxidant activity close to that of standard alpha-tocopherol. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Larget R,Lockhart B,Pfeiffer B,Neudorffer A,Fleury MB,Largeron M

更新日期：1999-10-18 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：:Apoptotic cell death is the cause of the loss of insulin-producing β-cells in all forms of diabetes mellitus. The identification of small molecules capable of protecting cytokine-induced apoptosis could form the basis of useful therapeutic interventions. Here in, we present the discovery and synthesis of new benzimida...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zawawi NK,Rajput SA,Taha M,Ahmat N,Ismail NH,Abdullah N,Khan KM,Choudhary MI

更新日期：2015-10-15 00:00:00

abstract：:Sulfonyl amidines (1) and phosphoryl amidines (2), which were efficiently synthesized via a Cu-catalyzed one pot reaction, showed potent anti-bone resorptive activity in vitro. Structure activity relationship studies led to the identification of numerous osteoclast differentiation inhibitors. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Lee MY,Kim MH,Kim J,Kim SH,Kim BT,Jeong IH,Chang S,Kim SH,Chang SY

更新日期：2010-01-15 00:00:00

abstract：:New adjuvants of warfarin anticoagulant activity have been developed. These compounds, which are 1,4-methano-1,2,3,4-tetrahydroanthracene-9,10-diol derivatives, act synergistically with warfarin to potentiate its anticoagulant effect. None of the compounds tested is an effective oral anticoagulant in the absence of wa...

journal_title：Bioorganic & medicinal chemistry letters

authors： Stromich JJ,Weber AK,Mirzaei YR,Caldwell MD,Lewis DE

更新日期：2010-03-15 00:00:00

abstract：:A novel class of mesoionic pyrido[1,2-a]pyrimidinones has been discovered with exceptional insecticidal activity controlling a number of insect species, particularly hemiptera and lepidoptera. Mode-of-action studies showed that they act on nicotinic acetylcholine receptors (nAChRs) primarily as inhibitors. Here we rep...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zhang W,Holyoke CW Jr,Barry J,Leighty RM,Cordova D,Vincent DR,Hughes KA,Tong MT,McCann SF,Xu M,Briddell TA,Pahutski TF,Lahm GP

更新日期：2016-11-15 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

authors： Mustata GI,Brigo A,Briggs JM

更新日期：2004-03-22 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 novel methyl 5-substituted 1H-benzo[d]imidazol-2-ylcarbamates were designed, synthesized, and their acrosin inhibitory activities evaluated in vitro. The results of acrosin inhibitory activity showed that all title compounds were more potent than the control TLCK. Compound 4w displayed the most potent acro...

journal_title：Bioorganic & medicinal chemistry letters

authors： Liu X,Chen Q,Zhu J,Fan Y,Ding L,Zhao J,Han G,Tian W,Qi J,Zhou Y,Lv J

更新日期：2012-05-15 00:00:00