Asymmetric synthesis and biological evaluation of glycosidic prodrugs for a selective cancer therapy.

abstract：:The clinical use of N,N'-bis(2-hydroxybenzyl)ethylenediamine-N,N'-diacetic acid (HBED) has been hindered by its lack of bioavailability. N,N'-bis(2-boronic pinacol ester benzyl)ethylenediamine-N,N'-diacetic acid methyl, ethyl, and isopropyl esters 7 a-c, respectively, and their dimesylate salts 8 a-c, are double prodr...

journal_title：ChemMedChem

authors： Thiele NA,Sloan KB

更新日期：2016-08-05 00:00:00

abstract：:Seasonal influenza infections are associated with an estimated 250-500 000 deaths annually. Resistance to the antiviral M2 ion-channel inhibitors has largely invalidated their clinical utility. Resistance to neuraminidase inhibitors has also been observed in several influenza A virus (IAV) strains. These data have pro...

journal_title：ChemMedChem

authors： Sagong HY,Bauman JD,Nogales A,Martínez-Sobrido L,Arnold E,LaVoie EJ

更新日期：2019-06-18 00:00:00

abstract：:The spider polyamine toxins Joro spider toxin-3 (JSTX-3) and Nephila polyamine toxins-1 and -8 (NPTX-1 and NPTX-8) are isolated from the venom of the orb-weaver spider Nephila clavata (Joro spider). They share a high degree of structural resemblance, their aromatic head groups being the only difference, and were recen...

journal_title：ChemMedChem

authors： Xiong XF,Poulsen MH,Hussein RA,Nørager NG,Strømgaard K

更新日期：2014-12-01 00:00:00

abstract：:The breast cancer resistance protein (BCRP/ABCG2) is a member of the ABC transporter superfamily. This protein has a number of physiological functions, including protection of the human body from xenobiotics. The overexpression of BCRP in certain tumor cell lines causes cross-resistance against various drugs used in c...

journal_title：ChemMedChem

authors： Marighetti F,Steggemann K,Hanl M,Wiese M

更新日期：2013-01-01 00:00:00

abstract：:Despite bioavailability issues, tea catechins have emerged as promising chemopreventive agents because of their efficacy in various animal models. We synthesized two catechin-derived compounds, 3-O-(3,4,5-trimethoxybenzoyl)-(-)-catechin (TMCG) and 3-O-(3,4,5-trimethoxybenzoyl)-(-)-epicatechin (TMECG), in an attempt to...

journal_title：ChemMedChem

authors： Sáez-Ayala M,Sánchez-del-Campo L,Montenegro MF,Chazarra S,Tárraga A,Cabezas-Herrera J,Rodríguez-López JN

更新日期：2011-03-07 00:00:00

abstract：:Ionic liquids (ILs) are ionic compounds that possess a melting temperature below 100 °C. Their physical and chemical properties are attractive for various applications. Several organic materials that are now classified as ionic liquids were described as far back as the mid-19th century. The search for new and differen...

journal_title：ChemMedChem

authors： Ferraz R,Branco LC,Prudêncio C,Noronha JP,Petrovski Z

更新日期：2011-06-06 00:00:00

abstract：:A novel type of oligonucleotide has been developed, characterized by the attachment of a lysyl moiety to a 2'-O-aminohexyl linker. A protected lysine building block was tethered to 2'-O-aminohexyluridine, and the product was converted into the corresponding phosphoramidite. Up to six modified nucleosides were incorpor...

journal_title：ChemMedChem

authors： Winkler J,Gilbert M,Kocourková A,Stessl M,Noe CR

更新日期：2008-01-01 00:00:00

abstract：:DNA hypomethylating drugs that act on DNA methyltransferase (DNMT) isoforms are promising anticancer agents. By using a well-characterized live-cell system to measure DNA methylation revisions (imprints), we characterize olsalazine, an approved anti-inflammatory drug, as a novel DNA hypomethylating agent. The cell-bas...

journal_title：ChemMedChem

authors： Méndez-Lucio O,Tran J,Medina-Franco JL,Meurice N,Muller M

更新日期：2014-03-01 00:00:00

abstract：:Meridional rhodium(III) polypyridyl complexes of the type mer-[RhX(3)(DMSO)(pp)] (X=Cl, pp=phen 1, dpq 2, dppz 3; X=Br, pp=phen 4) represent a promising class of potent cytostatic agents for the treatment of lymphoma and leukemia. Exposure of their DMSO solutions to light leads to slow isomerization to mixtures of the...

journal_title：ChemMedChem

authors： Dobroschke M,Geldmacher Y,Ott I,Harlos M,Kater L,Wagner L,Gust R,Sheldrick WS,Prokop A

更新日期：2009-02-01 00:00:00

abstract：:The synthesis of SCF3 as well as SeCF3 isosteres of two OCF3 -containing drugs was achieved through visible light and copper-catalyzed processes. Herein, we show that chalcogen replacement modulates physicochemical and ADME properties without introducing intrinsic liabilities. The SCF3 and SeCF3 groups are more lipoph...

journal_title：ChemMedChem

authors： Ghiazza C,Billard T,Dickson C,Tlili A,Gampe CM

更新日期：2019-09-04 00:00:00

abstract：:In the present review the crucial role of the guanidinium functional group in facilitating the transport of dendritic polymers through liposomal and cell membranes is discussed, along with other structural features of guanidinylated dendritic polymers that fine-tune their transport properties, and even determine their...

journal_title：ChemMedChem

authors： Theodossiou TA,Pantos A,Tsogas I,Paleos CM

更新日期：2008-11-01 00:00:00

abstract：:Vascular endothelial growth factor receptor 2 (VEGFR2) has been proven to play a major role in the regulation of tumor angiogenesis. A series of novel glycyrrhetic acid derivatives were synthesized and evaluated for their VEGFR2 inhibitory activity as well as their antiproliferative properties against four cancer cell...

journal_title：ChemMedChem

authors： Yan TL,Bai LF,Zhu HL,Zhang WM,Lv PC

更新日期：2017-07-06 00:00:00

abstract：:Herein we describe the synthesis and biological evaluation of a series of novel benzothiazoles based on a diaryl urea scaffold previously reported in some allosteric chemokine receptor 2 (CXCR2) inhibitors. From a library of 41 new compounds, 17 showed significant inhibition of CXCR2, with IC50 values less than 10 μm ...

journal_title：ChemMedChem

authors： Mehanna WE,Lu T,Debnath B,Lasheen DS,Serya RAT,Abouzid KA,Neamati N

更新日期：2017-07-06 00:00:00

abstract：:The cytotoxic activity of a series of 23 new isoerianin derivatives with modifications on both the A and B rings was studied. Several compounds exhibited excellent antiproliferative activity at nanomolar concentrations against a panel of human cancer cell lines. The most cytotoxic compound, isoerianin (3), strongly in...

journal_title：ChemMedChem

authors： Messaoudi S,Hamze A,Provot O,Tréguier B,Rodrigo De Losada J,Bignon J,Liu JM,Wdzieczak-Bakala J,Thoret S,Dubois J,Brion JD,Alami M

更新日期：2011-03-07 00:00:00

abstract：:Two series of racemic goniothalamin analogues displaying nitrogen-containing groups were designed and synthesized. A total of 19 novel analogues were evaluated against a panel of four different cancer cell lines, along with the normal prostate cell line PNT2 to determine their selectivity. Among them, goniothalamin ch...

journal_title：ChemMedChem

authors： Meirelles MA,Braga CB,Ornelas C,Pilli RA

更新日期：2019-08-06 00:00:00

abstract：:Aberrant WNT pathway activation, leading to nuclear accumulation of β-catenin, is a key oncogenic driver event. Mutations in the tumor suppressor gene APC lead to impaired proteasomal degradation of β-catenin and subsequent nuclear translocation. Restoring cellular degradation of β-catenin represents a potential thera...

journal_title：ChemMedChem

authors： Kessler D,Mayer M,Zahn SK,Zeeb M,Wöhrle S,Bergner A,Bruchhaus J,Ciftci T,Dahmann G,Dettling M,Döbel S,Fuchs JE,Geist L,Hela W,Kofink C,Kousek R,Moser F,Puchner T,Rumpel K,Scharnweber M,Werni P,Wolkerstorfer B,

更新日期：2020-12-04 00:00:00

abstract：:Detailed information on the metabolic fate of lead compounds can be a powerful tool for an informed approach to the stabilization of metabolically labile compounds in the lead optimization phase. The combination of high performance liquid chromatography (HPLC) with nuclear magnetic resonance (NMR) spectroscopy and mas...

journal_title：ChemMedChem

authors： Ceccarelli SM,Schlotterbeck G,Boissin P,Binder M,Buettelmann B,Hanlon S,Jaeschke G,Kolczewski S,Kupfer E,Peters JU,Porter RH,Prinssen EP,Rueher M,Ruf I,Spooren W,Stämpfli A,Vieira E

更新日期：2008-01-01 00:00:00

abstract：:Src homology 2 (SH2)-domain-mediated interactions with phosphotyrosine (pY)-containing ligands are critical for the regulation of SHP-1 phosphatase activity. Peptides based on a binding site from receptor tyrosine kinase Ros (EGLN-pY2267-MVL, 1) have recently been shown to bind to the SHP-1 N-terminal SH2 domain (N-SH...

journal_title：ChemMedChem

authors： Hampel K,Kaufhold I,Zacharias M,Böhmer FD,Imhof D

更新日期：2006-08-01 00:00:00

abstract：:We developed new 10 B carriers for boron neutron capture therapy (BNCT) that can effectively transport and accumulate boron clusters into cells. These carriers consist of a lipopeptide, mercaptoundecahydrododecaborate (BSH), and a disulfide linker. The carriers were conceived according to the structure of pepducin, a ...

journal_title：ChemMedChem

authors： Isono A,Tsuji M,Sanada Y,Matsushita A,Masunaga S,Hirayama T,Nagasawa H

更新日期：2019-04-17 00:00:00

abstract：:The histone deacetylase (HDAC) family is a promising drug target class owing to the importance of these enzymes in a variety of cellular processes. Docking studies were conducted to identify novel HDAC inhibitors. Subtle modifications in the recognition domain were introduced into a series of chlamydocin analogues, an...

journal_title：ChemMedChem

authors： Wang S,Li X,Wei Y,Xiu Z,Nishino N

更新日期：2014-03-01 00:00:00

abstract：:The Cdc25 dual specificity phosphatases have central roles in coordinating cellular signalling processes and cell proliferation. It has been reported that an improper amplification or activation of these enzymes is a distinctive feature of a number of human cancers, including breast cancers. Thus, the inhibition of Cd...

journal_title：ChemMedChem

authors： Lavecchia A,Cosconati S,Limongelli V,Novellino E

更新日期：2006-05-01 00:00:00

abstract：:P-glycoprotein (P-gp)-mediated multidrug resistance (MDR) is a major obstacle for successful cancer chemotherapy. Based on our previous study, 17 novel compounds with the 6,7-dimethoxy-2-{2-[4-(1H-1,2,3-triazol-1-yl)phenyl]ethyl}-1,2,3,4-tetrahydroisoquinoline scaffold were designed and synthesized. Among them, 2-[(1-...

journal_title：ChemMedChem

authors： Liu B,Qiu Q,Zhao T,Jiao L,Li Y,Huang W,Qian H

更新日期：2015-02-01 00:00:00

abstract：:Iridium(III) complexes of the type [Ir(η(5) -C5 Me5 )Cl2 {Ph2 PCH2 CH2 CH2 S(O)x Ph-κP}] (x=0-2; 1-3) and [Ir(η(5) -C5 Me5 )Cl{Ph2 PCH2 CH2 CH2 S(O)x Ph-κP,κS}][PF6 ] (x=0-1; 4 and 5) with 3-(diphenylphosphino)propyl phenyl sulfide, sulfoxide, and sulfone ligands Ph2 PCH2 CH2 CH2 S(O)x Ph were designed, synthesized, a...

journal_title：ChemMedChem

authors： Ludwig G,Ranđelović I,Maksimović-Ivanić D,Mijatović S,Bulatović MZ,Miljković D,Korb M,Lang H,Steinborn D,Kaluđerović GN

更新日期：2014-07-01 00:00:00

abstract：:Plumbagin (5-hydroxy-2-methyl-1,4-naphthoquinone) is a small molecule with potent anticancer activity. Like other 1,4-naphthoquinones, it exhibits electrophilic reactivity towards biological nucleophiles. We demonstrate that plumbagin and structurally related 1,4-naphthoquinones with at least one unsubstituted quinoid...

journal_title：ChemMedChem

authors： Chrastina A,Welsh J,Rondeau G,Abedinpour P,Borgström P,Baron VT

更新日期：2020-07-20 00:00:00

abstract：:A DNA-encoded chemical library (DECL) with 1.2 million compounds was synthesized by combinatorial reaction of seven central scaffolds with two sets of 343×492 building blocks. Library screening by affinity capture revealed that for some target proteins, the chemical nature of building blocks dominated the selection re...

journal_title：ChemMedChem

authors： Favalli N,Biendl S,Hartmann M,Piazzi J,Sladojevich F,Gräslund S,Brown PJ,Näreoja K,Schüler H,Scheuermann J,Franzini R,Neri D

更新日期：2018-07-06 00:00:00

abstract：:The tubulin-binding mode of C3- and C15-modified analogues of epothilone A (Epo A) was determined by NMR spectroscopy and computational methods and compared with the existing structural models of tubulin-bound natural Epo A. Only minor differences were observed in the conformation of the macrocycle between Epo A and t...

journal_title：ChemMedChem

authors： Erdélyi M,Navarro-Vázquez A,Pfeiffer B,Kuzniewski CN,Felser A,Widmer T,Gertsch J,Pera B,Díaz JF,Altmann KH,Carlomagno T

更新日期：2010-06-07 00:00:00

abstract：:The natural product piperlonguminine (PL) has been shown to exert potential anticancer activity against several types of cancer via elevation of reactive oxidative species (ROS). However, the application of PL has been limited due to its poor water solubility and moderate activity. To improve PL's potency, we designed...

journal_title：ChemMedChem

authors： Wang X,Qian J,Zhu P,Hua R,Liu J,Hang J,Meng C,Shan W,Miao J,Ling Y

更新日期：2020-10-21 00:00:00

abstract：:Because only a few studies have investigated the affinity and functional activity of NMDA receptor open channel blockers under the same assay conditions, a comparative study of common open channel blockers is of major interest. The pharmacological activities of MK-801, phencyclidine (PCP), dexoxadrol, etoxadrol, (S)- ...

journal_title：ChemMedChem

authors： Temme L,Schepmann D,Schreiber JA,Frehland B,Wünsch B

更新日期：2018-03-06 00:00:00

abstract：:A panel of new potential Ras ligands was generated by decorating a tricyclic levoglucosenone-derived scaffold with aromatic moieties. Some members of the panel show in vitro inhibitory activity toward the nucleotide exchange process on Ras and are toxic to some human cancer cell lines. ...

journal_title：ChemMedChem

authors： Müller C,Gomez-Zurita Frau MA,Ballinari D,Colombo S,Bitto A,Martegani E,Airoldi C,van Neuren AS,Stein M,Weiser J,Battistini C,Peri F

更新日期：2009-04-01 00:00:00

abstract：:In atomic force microscopy (AFM) a sharp cantilever tip is used to scan surfaces at the atomic level. One further application is force spectroscopy, in which force-distance curves between binding partners located on the cantilever and substrate surface are determined. This requires specifically immobilized molecules. ...

journal_title：ChemMedChem

authors： David R,Erdmann M,Fornof AR,Gaub HE

更新日期：2014-09-01 00:00:00