Abstract:
:The synthesis and biological evaluation of novel prodrugs for use in the antibody directed enzyme prodrug therapy (ADEPT) of cancer based on the cytotoxic antibiotic duocarmycin SA (1) are described. In this approach, we investigated the influence of the sugar moiety of the glycosidic prodrug on the QIC(50) values as well as on the stability and the water solubility. The best result was found for prodrug 22 containing an alpha-mannoside moiety with a QIC(50) value of 4500.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Tietze LF,Schuster HJ,Krewer B,Schuberth Idoi
10.1021/jm8009102subject
Has Abstractpub_date
2009-01-22 00:00:00pages
537-43issue
2eissn
0022-2623issn
1520-4804pii
10.1021/jm8009102journal_volume
52pub_type
杂志文章abstract::New thioamide derivatives of 2-(2-pyridyl)tetrahydrothiophene-2-carbothioamide (29) and related compounds (in which the tetrahydrothiophene ring was replaced by tetrahydrothiopyran, tetrahydrofuran, 1,3-dithiane, or 1,3-oxathiane and where the pyridine ring was replaced by other nitrogen heterocycles) were synthesized...
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abstract::HCV infection is considered a silent epidemic because most people infected do not develop acute symptoms. Instead, the disease progresses to a chronic state leading to cirrhosis and hepatocarcinoma. Novel therapies are needed to combat this major health threat. The HCV NS3 serine protease has been the target of contin...
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abstract::Despite a myriad of available pharmacotherapies for the treatment of type 2 diabetes (T2D), challenges still exist in achieving glycemic control. Several novel glucose-lowering strategies are currently under clinical investigation, highlighting the need for more robust treatments. Previously, we have shown that suppre...
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doi:10.1021/jm00104a003
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abstract::A series of 1,2,4-oxadiazoles has been prepared as ester bioisosteres and tested against 15 human rhinovirus serotypes, and the MIC80, the concentration which inhibits 80% or 12 of the serotypes tested, was determined. Homologation of the alkyl group attached to the oxadiazole ring resulted in a reduction in activity ...
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abstract::A fragment-based docking procedure followed by substructure search were used to identify active-site beta-secretase inhibitors from a composite set of about 300 000 and a library of nearly 180 000 small molecules, respectively. EC(50) values less than 10 microM were measured in at least one of two different mammalian ...
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abstract::A series of 2-aryldopamine analogues were synthesized and evaluated for their effects on D1 and D2 dopamine receptors. The 2-phenyldopamine and 6-phenylbenzazepine analogues exhibited weak binding to both D1 and D2 receptors. The 9-(aminomethyl)fluorenes also exhibited weak D2 binding; however, 2,5,6-trihydroxy-9H-flu...
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abstract::Tumor necrosis factor α (TNFα) is a soluble cytokine that is directly involved in systemic inflammation through the regulation of the intracellular NF-κB and MAPK signaling pathways. The development of biologic drugs that inhibit TNFα has led to improved clinical outcomes for patients with rheumatoid arthritis and oth...
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abstract::Multidrug resistance (MDR) in cancer is a phenomenon in which administration of a single chemotherapeutic agent causes cross-resistance of cancer cells to a variety of therapies even with different mechanisms of action. Development of MDR against standard therapies is a major challenge in the treatment of cancer. Prev...
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abstract::An efficient modular synthesis of N(1)-substituted triamines containing different tether lengths between nitrogen centers was developed. A series of N(1)-(9-anthracenylmethyl)triamines were evaluated for biological activity in L1210 (murine leukemia), alpha-difluoromethylornithine (DFMO)-treated L1210, Chinese hamster...
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abstract::The recent discovery that the formaldehyde conjugates of doxorubicin and daunorubicin, Doxoform and Daunoform, are cytotoxic to resistant human breast cancer cells prompted the search for hydrolytically more stable anthracycline-formaldehyde conjugates. Doxoform and Daunoform consist of two molecules of the parent dru...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm970739s
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abstract::The cesium and tetramethylammonium (TMA) salts of polyoxotungstate anions with covalently attached organosilyl groups of formula [(RSi)2O]SiW11O39(4-), where R = CH2CH2COCH3, (CH2)3CN, and CH==CH2 (1-R, cesium salt, unless otherwise noted) have been prepared, purified, and spectroscopically characterized. The water so...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00085a008
更新日期:1992-04-03 00:00:00
abstract::The protein kinase C (PKC) family of serine/threonine kinases is implicated in a wide variety of cellular processes. The PKC theta (PKCtheta) isoform is involved in TCR signal transduction and T cell activation and regulates T cell mediated diseases, including lung inflammation and airway hyperresponsiveness. Thus inh...
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doi:10.1021/jm800214a
更新日期:2008-10-09 00:00:00
abstract::Through high throughput screening of various libraries, substituted styryl naphthalene 6 was identified as an HCMV protease inhibitor. Optimization of various regions of the lead molecule using parallel synthesis resulted in 1,6-substituted naphthalenes 19d-i. These compounds displayed good potency and were selective ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm030540h
更新日期:2004-04-08 00:00:00
abstract::Five series of pyrrolo[3,2-d]pyrimidines were synthesized and evaluated with respect to potency and selectivity toward multidrug resistance-associated protein 1 (MRP1, ABCC1). This transport protein is a major target to overcome multidrug resistance in cancer patients. We investigated differently substituted pyrrolopy...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.5b01644
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abstract::This paper describes an extended structure-activity relationships study of aminotetralin-piperazine-based hybrid molecules developed earlier for dopamine D2/D3 receptors. Various analogues as positional isomers have been developed where location of the phenolic hydroxyl group has been varied on the aromatic ring. Betw...
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abstract::Recent trends in drug discovery include methods to identify dual and triple activating drugs. This approach is being successfully employed in malaria, cancer, asthma, insulin resistance, etc. Molecular field analysis has been employed in correlating pharmacological data and field parameters. In this paper we introduce...
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doi:10.1021/jm049383s
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abstract::Cationic amphiphiles derived from aminoglycosides (AGs) have been shown to exhibit enhanced antimicrobial activity. Through the attachment of hydrophobic residues such as linear alkyl chains on the AG backbone, interesting antibacterial and antifungal agents with a novel mechanism of action have been developed. Herein...
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pub_type: 杂志文章
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abstract::An endogenous heptadecapeptide, nociceptin/orphanin FQ (N/OFQ), and a G-protein-coupled receptor, N/OFQ peptide (NOP) receptor [or opioid-receptor-like-1 (ORL1) receptor], have been described in terms of its structure, distribution, and pharmacology. Thus, the N/OFQ and NOP receptor are located in the central nervous ...
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abstract::A series of balanol analogs in which the perhydroazepine ring and the p-hydroxybenzamide moiety were combined into an acyclic linked unit have been prepared and evaluated for their inhibitory properties against the serine/threonine kinase PKC. Several low-micromolar to low-nanomolar inhibitors of the alpha, beta I, be...
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abstract::We here report the synthesis of compounds structurally related to the high-affinity dopamine D(3) receptor ligand N-[4-[4-(2,3-dichlorophenyl)piperazin-1-yl]butyl]-7-methoxy-2-benzofurancarboxamide (1). All compounds were specifically designed as potential PET radioligands for brain D(3) receptors visualization, havin...
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更新日期:2006-01-12 00:00:00
abstract::Various 2',3'-dideoxy-L-cytidine,2',3'-dideoxy-L-uridine, and 3'-deoxy-L-thymidine analogues have been synthesized and evaluated in vitro as potential anti-HIV and anti-HBV agents. Coupling of 1-O-acetyl-5-O-(tert-butyldimethylsilyl)-2,3-dideoxy-L-ribofuranose (1) with silylated derivatives of 5-fluorocytosine, cytosi...
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abstract::A series of nitrocoumarin and nitrochromene derivatives have been prepared and shown to inhibit the phosphatidylinositol-specific phospholipase C(PLC)(IC50 < 10 micrograms/mL) isolated from human melanoma. The inhibition of PLC by nitrocoumarin 4a was time-dependent and irreversible. The inhibition of PLC was shown to...
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abstract::Treatment of the sodium salt of 4-chloro-2-(methylthio)pyrrolo[2,3-d]pyrimidine (2) with (2-acetoxyethoxy)methyl bromide (3) has provided 4-chloro-2-(methylthio)-7[(2-acetoxyethoxy)methyl]pyrrolo[2,3- d]pyrimidine (4). Ammonolysis of 4 at room temperature gave 4-chloro-2-(methylthio)-7-[(2-hydroxyethoxy)methyl]pyrrolo...
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abstract::We have derivatized Momordica saponins (MS) I and II through their coupling at C3 glucuronic acid site with dodecylamine. The derivatives show significantly different immunostimulant activity profiles from their respective natural parent saponins. In particular, adjuvant VSA-1 (5), the derivative of MS I, potentiates ...
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abstract::Anaplastic lymphoma kinase (ALK) is a valid target for anticancer therapy; however, potent ALK inhibitors suitable for clinical use are lacking. Because the majority of described kinase inhibitors bind in the ATP pocket of the kinase domain, we have characterized this pocket in ALK using site-directed mutagenesis, inh...
journal_title:Journal of medicinal chemistry
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更新日期:2006-09-21 00:00:00
abstract::The selective inhibition of the lipid signaling enzyme PI3Kγ constitutes an opportunity to mediate immunosuppression and inflammation within the tumor microenvironment but is difficult to achieve due to the high sequence homology across the class I PI3K isoforms. Here, we describe the design of a novel series of poten...
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更新日期:2020-10-08 00:00:00