abstract：:Several p-terphenyl compounds have been isolated from the edible Chinese mushroom Thelephora vialis. Vialinin A, a p-terphenyl compound, strongly inhibits tumor necrosis factor-α production and release. Vialinin A inhibits the enzymatic activity of ubiquitin-specific peptidase 5, one of the target molecules in RBL-2H3...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yoshioka Y,Namiki D,Makiuchi M,Sugaya K,Onose J,Ashida H,Abe N

更新日期：2016-09-01 00:00:00

abstract：:Indoleamine 2,3-dioxygenase 2 (IDO2) is a potential therapeutic target for the treatment of diseases that involve immune escape such as cancer. In contrast to IDO1, only a very limited number of inhibitors have been described for IDO2 due to inherent difficulties in expressing and purifying a functionally active, solu...

journal_title：Bioorganic & medicinal chemistry letters

authors： Röhrig UF,Majjigapu SR,Caldelari D,Dilek N,Reichenbach P,Ascencao K,Irving M,Coukos G,Vogel P,Zoete V,Michielin O

更新日期：2016-09-01 00:00:00

abstract：:In the search for plants, containing compounds with α-glucosidase inhibitory activity, we found that a methanolic extract from the leaves and twigs of Archidendron clypearia (Jack.) Nielsen significantly inhibited rat intestinal sucrase in vitro. A phytochemical investigation of the aqueous layer of an A. clypearia ex...

journal_title：Bioorganic & medicinal chemistry letters

authors： Thao NP,Luyen BT,Vinh le B,Lee JY,Kwon YI,Kim YH

更新日期：2016-09-01 00:00:00

abstract：:Numerous potent P2X3 antagonists have been discovered and the therapeutic potential of P2X3 antagonism already comprises proof-of-concept data obtained in clinical trials with the most advanced compound. We have lately reported the discovery and optimization of thia-triaza-tricycle compounds with potent P2X3 antagonis...

journal_title：Bioorganic & medicinal chemistry letters

authors： Szántó G,Makó A,Vágó I,Hergert T,Bata I,Farkas B,Kolok S,Vastag M

更新日期：2016-08-15 00:00:00

abstract：:Ligand-protein binding is a complex process that involves the formation of number of non-covalent interactions, e.g. H-bonds and hydrophobic interactions, between the ligand and the protein host. Upon binding, ligand functional groups can act synergistically (positive cooperativity) to improve the overall ligand bindi...

journal_title：Bioorganic & medicinal chemistry letters

authors： Said AM,Hangauer DG

更新日期：2016-08-15 00:00:00

abstract：:The sulfonamide class of antibiotics has been in continuous use for over 70years. They are thought to act by directly inhibiting dihydropteroate synthase (DHPS), and also acting as prodrugs that sequester pterin pools by forming dead end pterin-sulfonamide conjugates. In this study, eight pterin-sulfonamide conjugates...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zhao Y,Shadrick WR,Wallace MJ,Wu Y,Griffith EC,Qi J,Yun MK,White SW,Lee RE

更新日期：2016-08-15 00:00:00

abstract：:Many adverse drug reactions are caused by the cytochrome P450 (CYP)-dependent activation of drugs into reactive metabolites. In order to reduce attrition due to metabolism-induced toxicity and to improve the safety of drug candidates, we developed a simple cell viability assay by combining a bioactivation system (huma...

journal_title：Bioorganic & medicinal chemistry letters

authors： Rana P,Will Y,Nadanaciva S,Jones LH

更新日期：2016-08-15 00:00:00

abstract：:Human 5-lipoxygenase (5-LOX) is responsible for the formation of leukotriene (LT)A4, a pivotal intermediate in the biosynthesis of the leukotrienes, a family of proinflammatory lipid mediators. 5-LOX has thus gained attention as a potential drug target. However, details of the kinetic mechanism of 5-LOX are still obsc...

journal_title：Bioorganic & medicinal chemistry letters

authors： Mittal M,Kumar RB,Balagunaseelan N,Hamberg M,Jegerschöld C,Rådmark O,Haeggström JZ,Rinaldo-Matthis A

更新日期：2016-08-01 00:00:00

abstract：:Amyloid-beta peptide (Aβ) has been recognized to interact with numerous proteins, which may lead to pathological changes in cell metabolism of Alzheimer's disease (AD) patients. One such known metabolic enzyme is mitochondrial amyloid-binding alcohol dehydrogenase (ABAD), also known as 17β-hydroxysteroid dehydrogenase...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hroch L,Benek O,Guest P,Aitken L,Soukup O,Janockova J,Musil K,Dohnal V,Dolezal R,Kuca K,Smith TK,Gunn-Moore F,Musilek K

更新日期：2016-08-01 00:00:00

abstract：:A series of pyrazole and triazole derivatives containing 5-phenyl-2-furan functionality were designed and synthesized as phosphodiesterase type 4 (PDE4) inhibitors. The bioassay results showed that title compounds exhibited considerable inhibitory activity against PDE4B and blockade of LPS-induced TNFα release. Meanwh...

journal_title：Bioorganic & medicinal chemistry letters

authors： Li YS,Tian H,Zhao DS,Hu DK,Liu XY,Jin HW,Song GP,Cui ZN

更新日期：2016-08-01 00:00:00

abstract：:A series of novel hybrid compounds between benzofuran and N-aryl piperazine have been designed and prepared. These derivatives were evaluated for their in vitro anti-tumor activity against a panel of human tumor cell lines by MTT assay. The results demonstrated that amide derivatives were more bioactive than sulfonami...

journal_title：Bioorganic & medicinal chemistry letters

authors： Mao ZW,Zheng X,Lin YP,Hu CY,Wang XL,Wan CP,Rao GX

更新日期：2016-08-01 00:00:00

abstract：:The docking approach for the screening of designed small molecule ligands, led to the identification of a critical arginine residue in peptide deformylase for spiro cyclopropyl PDF inhibitor's extra hydrophobic binding, providing us a useful tool for searching more efficient PDF inhibitors to fight for horrifying anti...

journal_title：Bioorganic & medicinal chemistry letters

authors： Lv F,Chen C,Tang Y,Wei J,Zhu T,Hu W

更新日期：2016-08-01 00:00:00

abstract：:A new acylphenol, malabaricone E (1) together with the known malabaricones A-C (2-4), maingayones A and B (5 and 6) and maingayic acid B (7) were isolated from the ethyl acetate extract of the fruits of Myristica cinnamomea King. Their structures were determined by 1D and 2D NMR techniques and LCMS-IT-TOF analysis. Co...

journal_title：Bioorganic & medicinal chemistry letters

authors： Abdul Wahab SM,Sivasothy Y,Liew SY,Litaudon M,Mohamad J,Awang K

更新日期：2016-08-01 00:00:00

abstract：:Protein geranylgeranylation is a type of post-translational modification that aids in the localization of proteins to the plasma member where they elicit cellular signals. To better understand the isoprenoid requirements of GGTase-I, a series of aryl-modified geranylgeranyl diphosphate analogs were synthesized and scr...

journal_title：Bioorganic & medicinal chemistry letters

authors： Temple KJ,Wright EN,Fierke CA,Gibbs RA

更新日期：2016-08-01 00:00:00

abstract：:Poly(ADP-ribose) (PAR) is an important biopolymer, which is involved in various life processes such as DNA repair and replication, modulation of chromatin structure, transcription, cell differentiation, and in pathogenesis of various diseases such as cancer, diabetes, ischemia and inflammations. PAR is the most electr...

journal_title：Bioorganic & medicinal chemistry letters

authors： Drenichev MS,Mikhailov SN

更新日期：2016-08-01 00:00:00

abstract：:Current therapy for blood vessel thrombosis has the risk of leading to gastrointestinal bleeding and thrombocytopenia. We previously reported that a new derivative of diosgenin, compound 5, had significant anti-inflammatory activity superior to that of aspirin, prolonged bleeding time, and inhibited platelet aggregati...

journal_title：Bioorganic & medicinal chemistry letters

authors： Zheng H,Wei Z,Xin G,Ji C,Wen L,Xia Q,Niu H,Huang W

更新日期：2016-07-15 00:00:00

abstract：:Four novel mononuclear complexes, [Cd(L)2·2H2O] (1), [Ni(L)2·2H2O] (2) [Cu(L)2·H2O] (3), and [Zn(L)2·2H2O] (4) (CCDC numbers: 1444630-1444633 for complexes 1-4) (HL=4-(2,3-dichlorophenyl)piperazine-1-carboxylic acid) were synthesized, and have been characterized by IR spectroscopy, elemental analysis, and X-ray crysta...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yang DD,Chen YN,Wu YS,Wang R,Chen ZJ,Qin J,Qian SS,Zhu HL

更新日期：2016-07-15 00:00:00

abstract：:Four new steroids, namely klyflaccisteroids G-J (1-4) were isolated from the Formosan soft coral Klyxum flaccidum. The structures of compounds 1-4 were established by spectral data analysis (IR, MS, 1D and 2D NMR) and comparison of spectral data with those of the related known compounds. Cytotoxicity assay revealed th...

journal_title：Bioorganic & medicinal chemistry letters

authors： Tseng WR,Huang CY,Tsai YY,Lin YS,Hwang TL,Su JH,Sung PJ,Dai CF,Sheu JH

更新日期：2016-07-15 00:00:00

abstract：:A set of 31 DNA minor groove binders (MGBs) with diverse structural features relating to both physical chemical properties and DNA binding sequence preference has been evaluated as potential drugs to treat Plasmodium falciparum infections using a chloroquine sensitive strain (3D7) and a chloroquine resistant strain (D...

journal_title：Bioorganic & medicinal chemistry letters

authors： Scott FJ,Khalaf AI,Duffy S,Avery VM,Suckling CJ

更新日期：2016-07-15 00:00:00

abstract：:In this report, we describe the synthesis of 1-(Phthalazin-4-yl)-hydrazine using bronsted acidic ionic liquids and demonstrate their ability to inhibit asexual stage development of human malaria parasite, Plasmodium falciparum. Through computational studies, we short-listed chemical scaffolds with potential binding af...

journal_title：Bioorganic & medicinal chemistry letters

authors： Subramanian G,Babu Rajeev CP,Mohan CD,Sinha A,Chu TTT,Anusha S,Ximei H,Fuchs JE,Bender A,Rangappa KS,Chandramohanadas R,Basappa

更新日期：2016-07-15 00:00:00

abstract：:A series of novel 2,4,5-trisubstituted 1,3-thiazole derivatives containing hydrazide-hydrazine, and carboxamide moiety including 46 compounds T were synthesized, and evaluated for their antitumor activity in vitro against a panel of five human cancer cell lines. Eighteen title compounds T displayed higher inhibitory a...

journal_title：Bioorganic & medicinal chemistry letters

authors： He H,Wang X,Shi L,Yin W,Yang Z,He H,Liang Y

更新日期：2016-07-15 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：:As part of a programme aimed at identifying rational new triple drug combinations for treatment of malaria, tuberculosis and toxoplasmosis, we have selected quinolones as one component, given that selected examples exhibit exceptionally good activities against the causative pathogens of the foregoing diseases. The qui...

journal_title：Bioorganic & medicinal chemistry letters

authors： Beteck RM,Coertzen D,Smit FJ,Birkholtz LM,Haynes RK,N'Da DD

更新日期：2016-07-01 00:00:00

abstract：:This Letter describes the chemical optimization of a novel series of M4 positive allosteric modulators (PAMs) based on a 5,6-dimethyl-4-(piperidin-1-yl)thieno[2,3-d]pyrimidine core, identified from an MLPCN functional high-throughput screen. The HTS hit was potent and selective, but not CNS penetrant. Potency was main...

journal_title：Bioorganic & medicinal chemistry letters

authors： Wood MR,Noetzel MJ,Engers JL,Bollinger KA,Melancon BJ,Tarr JC,Han C,West M,Gregro AR,Lamsal A,Chang S,Ajmera S,Smith E,Chase P,Hodder PS,Bubser M,Jones CK,Hopkins CR,Emmitte KA,Niswender CM,Wood MW,Duggan ME,C

更新日期：2016-07-01 00:00:00

abstract：:Chemical modifications are essential to improve metabolic stability and pharmacokinetic properties of siRNA to enable their systemic delivery. We investigated the effect of combing the phosphorothioate (PS) modification with metabolically stable phosphate analog (E)-5'-vinylphosphonate and GalNAc cluster conjugation o...

journal_title：Bioorganic & medicinal chemistry letters

authors： Prakash TP,Kinberger GA,Murray HM,Chappell A,Riney S,Graham MJ,Lima WF,Swayze EE,Seth PP

更新日期：2016-06-15 00:00:00

abstract：:A novel series of benzo-[1,2,4]-triazolo-[1,4]-oxazepine GPR142 agonists are described. The series was designed to address the suboptimal PK (pharmacokinetic) and off-target profile of a class of N-aryl-benzo-[1,4]-oxazepine-4-carboxamides, represented by 1, that were identified from a high-throughput screen of the Me...

journal_title：Bioorganic & medicinal chemistry letters

authors： Wilson JE,Kurukulasuriya R,Sinz C,Lombardo M,Bender K,Parker D,Sherer EC,Costa M,Dingley K,Li X,Mitelman S,Tong S,Bugianesi R,Ehrhardt A,Priest B,Ratliff K,Ujjainwalla F,Nargund R,Hagmann WK,Edmondson S

更新日期：2016-06-15 00:00:00

abstract：:This letter describes the further chemical optimization of the picolinamide-derived family of mGlu4 PAMs wherein we identified a 3-amino substituent to the picolinamide warhead that engendered potency, CNS penetration and in vivo efficacy. From this optimization campaign, VU0477886 emerged as a potent (EC50=95nM, 89% ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Gogliotti RD,Engers DW,Garcia-Barrantes PM,Panarese JD,Gentry PR,Blobaum AL,Morrison RD,Daniels JS,Thompson AD,Jones CK,Conn PJ,Niswender CM,Lindsley CW,Hopkins CR

更新日期：2016-06-15 00:00:00

abstract：:Methionine aminopeptidase 2 (MetAP2) is an enzyme that cleaves an N-terminal methionine residue from a number of newly synthesized proteins. Pre-clinical and clinical studies suggest that MetAP2 inhibitors could be used as a novel treatment for obesity. Herein we describe our use of fragment screening methods and stru...

journal_title：Bioorganic & medicinal chemistry letters

authors： Cheruvallath Z,Tang M,McBride C,Komandla M,Miura J,Ton-Nu T,Erikson P,Feng J,Farrell P,Lawson JD,Vanderpool D,Wu Y,Dougan DR,Plonowski A,Holub C,Larson C

更新日期：2016-06-15 00:00:00

abstract：:Various 1,3,4-oxadiazole derivatives have been synthesized and their antiproliferative properties have been studied. The in vitro screening was performed against androgen dependent (LNCaP) and androgen independent (PC-3) prostate cancer cell lines. Most of the compounds showed promising activity. Among them, compounds...

journal_title：Bioorganic & medicinal chemistry letters

authors： Mochona B,Qi X,Euynni S,Sikazwi D,Mateeva N,Soliman KF

更新日期：2016-06-15 00:00:00

abstract：:Oridonin (1) is a complex ent-kaurane diterpenoid with unique antitumor profile, which is isolated from Isodon rubescens. In order to develop novel derivatives of oridonin with improved potency, a series of nitric oxide (NO)-releasing oridonin derivatives were synthesized by coupling diazeniumdiolates with oridonin an...

journal_title：Bioorganic & medicinal chemistry letters

authors： Xu S,Wang G,Lin Y,Zhang Y,Pei L,Yao H,Hu M,Qiu Y,Huang Z,Zhang Y,Xu J

更新日期：2016-06-15 00:00:00

abstract：:Positioning of reactive functional groups within a DNA duplex can enable chemical reactions that otherwise would not occur to an appreciable extent. However, few studies have quantitatively defined the extent to which the enforced proximity of reaction partners in duplex DNA can favor chemical processes. Here, we meas...

journal_title：Bioorganic & medicinal chemistry letters

authors： Catalano MJ,Price NE,Gates KS

更新日期：2016-06-01 00:00:00

abstract：:The transporter protein Large-neutral Amino Acid Transporter 1 (LAT-1, SLC7A5) is responsible for transporting amino acids such as tyrosine and phenylalanine as well as thyroid hormones, and it has been exploited as a drug delivery mechanism. Recently its role in cancer has become increasingly appreciated, as it has b...

journal_title：Bioorganic & medicinal chemistry letters

authors： Augustyn E,Finke K,Zur AA,Hansen L,Heeren N,Chien HC,Lin L,Giacomini KM,Colas C,Schlessinger A,Thomas AA

更新日期：2016-06-01 00:00:00

abstract：:A small library of 1-aminoalkyl 2-naphthols has been synthesized through the direct Mannich reaction of 2-naphthols with (hetero)aromatic aldehydes and secondary amines. All of the Mannich bases having a thiophen-2-yl ring in their structure had good activity against Gram-positive bacteria, irrespective of the nature ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Roman G,Năstasă V,Bostănaru AC,Mareş M

更新日期：2016-05-15 00:00:00

abstract：:This work demonstrated the high efficiency of a sub-milligram-synthesis based medicinal chemistry method. Totally 72 compounds, consisting a tri-substituted pyrrolidine core, were prepared. Around 0.1mg of each compound was solid-phase synthesized. Based on the additive property of UV absorptions of unconjugated chrom...

journal_title：Bioorganic & medicinal chemistry letters

authors： Tian Y,Jin J,Wang C,Lv W,Li X,Che X,Gong Y,Li Y,Li Q,Hou J,Wang PG,Shen J

更新日期：2016-05-15 00:00:00

abstract：:A series of lobelane and GZ-793A analogues that incorporate aromatic 4-hydroxy and 4-(2-fluoroethoxy) substituents were synthesized and evaluated for inhibition of [(3)H]dopamine (DA) uptake at the vesicular monoamine transporter-2 (VMAT2) and the dopamine transporter (DAT), and [(3)H]serotonin uptake at the serotonin...

journal_title：Bioorganic & medicinal chemistry letters

authors： Joolakanti SR,Nickell JR,Janganati V,Zheng G,Dwoskin LP,Crooks PA

更新日期：2016-05-15 00:00:00

abstract：:With an intention to find more potent antibacterial agents, four halogen disubstituted thiazolineone derivatives (2a-d), five halogen monosubstituted thiazolineone derivatives (2e-i), and eleven 2-arylimino-3-pyridin-thiazolineone derivatives (2j-t) were synthesized and screened for their antibacterial activity, bacte...

journal_title：Bioorganic & medicinal chemistry letters

authors： Cai MG,Wu Y,Chang J

更新日期：2016-05-15 00:00:00

abstract：:Introducing a second chiral center on our previously described 1,2,4-triazole, allowed us to increase diversity and elongate the 'C-terminal part' of the molecule. Therefore, we were able to explore mimics of the substance P analogs described as inverse agonists. Some compounds presented affinities in the nanomolar ra...

journal_title：Bioorganic & medicinal chemistry letters

authors： Maingot M,Blayo AL,Denoyelle S,M'Kadmi C,Damian M,Mary S,Gagne D,Sanchez P,Aicher B,Schmidt P,Müller G,Teifel M,Günther E,Marie J,Banères JL,Martinez J,Fehrentz JA

更新日期：2016-05-15 00:00:00

abstract：:Multivalent interactions play an essential role in molecular recognition in living systems. These effects were employed to target tumor cells using albumin clusters bearing ∼10 molecules of asparagine-linked glycans (N-glycans). Noninvasive near-infrared fluorescence imaging clearly revealed A431 tumors implanted in B...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ogura A,Tahara T,Nozaki S,Onoe H,Kurbangalieva A,Watanabe Y,Tanaka K

更新日期：2016-05-01 00:00:00

abstract：:NAD(P)H-dependent oxidoreductases play important roles in biology. Recently, we reported that the luminescence lifetime of some Tb(3+) complexes is sensitive to NAD(P)H, and we used this phenomenon to detect activities of these enzymes. However, conventional time-resolved luminescence assays are susceptible to static ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Terai T,Ito H,Hanaoka K,Komatsu T,Ueno T,Nagano T,Urano Y

更新日期：2016-05-01 00:00:00

abstract：:The steroidogenic enzyme 17β-hydroxysteroid dehydrogenase type 3 (17β-HSD3) is a therapeutic target in the management of androgen-sensitive diseases such as prostate cancer and benign prostate hyperplasia. In this Letter, we designed and synthesized the first fluorescent inhibitor of this enzyme by combining a fluorog...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kenmogne LC,Maltais R,Poirier D

更新日期：2016-05-01 00:00:00