Gold-catalyzed formation of pyrrolo- and indolo-oxazin-1-one derivatives: The key structure of some marine natural products

• Sultan Taskaya,
• Nurettin Menges and
• Metin Balci

Beilstein J. Org. Chem. 2015, 11, 897–905, doi:10.3762/bjoc.11.101

• and multidrug resistance reversal activity [12][13][14]. Lamellarins 4 with a pyrrolo-oxazinone substructure are also marine natural products and they inhibit the proliferation of cancer cells and therefore are promising candidates for anticancer drugs [15][16][17][18][19][20]. The design and

Formulation development, stability and anticancer efficacy of core-shell cyclodextrin nanocapsules for oral chemotherapy with camptothecin

• Hale Ünal,
• Naile Öztürk and
• Erem Bilensoy

Beilstein J. Org. Chem. 2015, 11, 204–212, doi:10.3762/bjoc.11.22

• higher when incorporated in hybrid CD nanocapsules compared with a DMSO solution. Conclusion: Oral CD nanocapsules indicating increased oral bioavailability might be a promising strategy to maintain the physiological stability and to improve the oral bioavailability of problematic anticancer drugs such

• is the poor aqueous solubility due to the hydrophobicity of most anticancer drugs [3]. Most of the anticancer drugs are formulated with co-solubilizers via intravenous administration; however these co-solubilizers lead to severe side effects restricting both the patient’s quality of life and efficacy

• of the therapy. Another major factor is that anticancer drugs have a wide distribution capacity in the body and owing to non-selective cytotoxicity of these drugs not only the cancer cells but also healthy cells are killed. Due to low therapeutic indices of anticancer drugs, a rapid increase and

Preparation and evaluation of cyclodextrin polypseudorotaxane with PEGylated liposome as a sustained release drug carrier

• Kayoko Hayashida,
• Taishi Higashi,
• Daichi Kono,
• Keiichi Motoyama,
• Koki Wada and
• Hidetoshi Arima

Beilstein J. Org. Chem. 2014, 10, 2756–2764, doi:10.3762/bjoc.10.292

• delivery of anticancer drugs [28]. PEG-LP encapsulating DOX is commercially available as DOXIL/CAELYX® [28]. In addition, PEG-LPs are also utilized as long-circulating drug carriers for protein drugs and nucleic acids [37][38]. Thus, PEG-LPs are representative drug carriers and CD PPRXs of PEG-LPs could be

The regulation and biosynthesis of antimycins

• Ryan F. Seipke and
• Matthew I. Hutchings

Beilstein J. Org. Chem. 2013, 9, 2556–2563, doi:10.3762/bjoc.9.290

• over-produced in cancer cells that are resistant to apoptosis-inducing chemotherapy agents, so antimycins have great potential as anticancer drugs used in combination with existing chemotherapeutics. Here we review what is known about antimycins, the regulation of the ant gene cluster and the unusual

Synthesis and characterization of novel bioactive 1,2,4-oxadiazole natural product analogs bearing the N-phenylmaleimide and N-phenylsuccinimide moieties

• Catalin V. Maftei,
• Elena Fodor,
• Peter G. Jones,
• M. Heiko Franz,
• Gerhard Kelter,
• Heiner Fiebig and
• Ion Neda

Beilstein J. Org. Chem. 2013, 9, 2202–2215, doi:10.3762/bjoc.9.259

• . synthesized maleimide derivatives of doxorubicin and camptothecin. After intravenous administration these designed anticancer drugs bind rapidly to circulating albumin [17][18][19]. Endogenous albumin could be seen as a drug carrier, as it accumulates in solid tumors according to the pathophysiology of tumor

Synthesis of meso-substituted dihydro-1,3-oxazinoporphyrins

• Satyasheel Sharma and
• Mahendra Nath

Beilstein J. Org. Chem. 2013, 9, 496–502, doi:10.3762/bjoc.9.53

• tissue, and efficiency in generating reactive oxygen species by the absorption of photons in the visible or near IR region make them ideal candidates for developing effective photodynamic agents. These findings have encouraged researchers to design and synthesize potential targeting anticancer drugs

Thioester derivatives of the natural product psammaplin A as potent histone deacetylase inhibitors

• Matthias G. J. Baud,
• Thomas Leiser,
• Vanessa Petrucci,
• Mekala Gunaratnam,
• Stephen Neidle,
• Franz-Josef Meyer-Almes and
• Matthew J. Fuchter

Beilstein J. Org. Chem. 2013, 9, 81–88, doi:10.3762/bjoc.9.11

• oncogenesis [3][4] and small molecule inhibitors of these pathways have emerged as highly attractive targets for anticancer therapies [5][6]. Inhibitors of epigenetic pathways should not only be useful as anticancer drugs, but also as molecular probes to study the causative relationships between specific

An easily accessible sulfated saccharide mimetic inhibits in vitro human tumor cell adhesion and angiogenesis of vascular endothelial cells

• Grazia Marano,
• Claas Gronewold,
• Martin Frank,
• Anette Merling,
• Christian Kliem,
• Sandra Sauer,
• Manfred Wiessler,
• Eva Frei and
• Reinhard Schwartz-Albiez

Beilstein J. Org. Chem. 2012, 8, 787–803, doi:10.3762/bjoc.8.89

• development not only of new tools for tumor diagnosis and monitoring but also in the design of new anticancer drugs [8]. Attempts have been made to mount an immune response against tumor oligosaccharides by carbohydrate vaccines [9] and also to inhibit adhesive processes, such as the interaction between

• angiogenesis and is currently under investigation in several clinical trials for the treatment of recurrent malignant glioblastoma [48]. GSF, due to its direct anti-tumor and anti-angiogenic effect, may represent a new class of small-molecule anticancer drugs. Although anti-angiogenic drugs such as the

Enantioselective supramolecular devices in the gas phase. Resorcin[4]arene as a model system

• Caterina Fraschetti,
• Matthias C. Letzel,
• Antonello Filippi,
• Maurizio Speranza and
• Jochen Mattay

Beilstein J. Org. Chem. 2012, 8, 539–550, doi:10.3762/bjoc.8.62

• are the elementary units of the RNA and DNA biomacromolecules, and their physiological importance at many different levels [52][53][54] makes them potential candidates as anticancer drugs. The gas-phase study of the intimate interactions between the resorcin[4]arene V and several pyrimidine

Multicomponent synthesis of artificial nucleases and their RNase and DNase activity

• Anton V. Gulevich,
• Lyudmila S. Koroleva,
• Olga V. Morozova,
• Valentina N. Bakhvalova,
• Vladimir N. Silnikov and
• Valentine G. Nenajdenko

Beilstein J. Org. Chem. 2011, 7, 1135–1140, doi:10.3762/bjoc.7.131

• anticancer drugs [2][3] and new therapeutics against RNA-containing viruses. Recently, a number of synthetic RNA-cleaving molecules (artificial ribonucleases) had been developed and tested in vitro [4][5][6][7][8][9][10][11]. Among numerous artificial ribonucleases, peptidomimetics showed evident advantages

Synthesis, reactivity and biological activity of 5-alkoxymethyluracil analogues

• Lucie Brulikova and
• Jan Hlavac

Beilstein J. Org. Chem. 2011, 7, 678–698, doi:10.3762/bjoc.7.80

• instance, was one of the first [1] and most investigated anticancer drugs, either chemically or biologically, and triggered the research of 5-substituted pyrimidine analogues. The elucidation of the life cycle of a virus is crucial in antiviral chemotherapy. Several 5-substituted pyrimidine analogues

Mitomycins syntheses: a recent update

• Jean-Christophe Andrez

Beilstein J. Org. Chem. 2009, 5, No. 33, doi:10.3762/bjoc.5.33

• ), D-glucosamine 21 and carbamoyl phosphate (Scheme 4) [29][30][31][32]. The key intermediate, AHBA, is also a common precursor to other anticancer drugs, such as rifamycin and ansamycin. 2.2. Mode of action Mitomycins are quinone antitumor antibiotics that exert their biological activity through DNA

Reduction of arenediazonium salts by tetrakis(dimethylamino)ethylene (TDAE): Efficient formation of products derived from aryl radicals

• Mohan Mahesh,
• John A. Murphy,
• Franck LeStrat and
• Hans Peter Wessel

Beilstein J. Org. Chem. 2009, 5, No. 1, doi:10.3762/bjoc.5.1

• 1.5 equivalents of TDAE in anhydrous DMF yielded the indoles 51b–d in 63%, 43% and 64% yields (in three steps from the corresponding aryl amines 48b–d) respectively (Scheme 7). The indole 51d bearing a fused 9-membered ring was of particular interest to us because the important anticancer drugs