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Design and Synthesis of Poly(ADP-ribose) Polymerase Inhibitors: Impact of Adenosine Pocket-Binding Motif Appendage to the 3-Oxo-2,3-dihydrobenzofuran-7-carboxamide on Potency and Selectivity.

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Poly(adenosine 5'-diphosphate-ribose) polymerase (PARP) inhibitors are a class of anticancer drugs that block the catalytic activity of PARP proteins. Optimization of our lead compound 1 (( Z)-2-benzylidene-3-oxo-2,3-dihydrobenzofuran-7-carboxamide; PARP-1 IC₅₀ = 434 nM) led to a

Cytotoxic and antioxidant dihydrobenzofuran neolignans from the seeds of Crataegus pinnatifida.

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Eight new dihydrobenzofuran neolignans, pinnatifidanin C I-VIII (1-8), together with two known analogs (9-10) were isolated from the seeds of Crataegus pinnatifida. Their structures were elucidated by spectroscopic analyses, especially 1D, 2D NMR and CD spectra. The cytotoxic activities of all

Phytochemicals Approach for Developing Cancer Immunotherapeutics.

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Phytochemicals or their derived compounds are being increasingly recognized as potentially potent complementary treatments for cancer. Among them, some phytochemicals are being actively evaluated for use as adjuvants in anticancer therapies. For instance, shikonin and hypericin were found to induce

Design, Synthesis, and Antitumor Activity of (E,Z)-1-(dihydrobenzofuran-5-yl)-3-phenyl-2-(1,2,4-triazol-1-yl)-2-propen-1-ones.

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A series of (E,Z)-1-(dihydrobenzofuran-5-yl)-3-phenyl-2-(1,2,4-triazol-1-yl)-2-propen-1-ones (C1-C35) were designed and synthesized, and the structures of compounds (Z)-C27 and (Z)-C29 were confirmed by single-crystal X-ray diffraction. The antitumor activities of these novel compounds against

A new cytotoxic prenylated dihydrobenzofuran derivative and other chemical constituents from the rhizomes of Atractylodes lancea DC.

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A new prenylated dihydrobenzofuran derivative (1), was isolated from the rhizomes of Atractylodes lancea DC (Asteraceae), along with ten known compounds, including atractylenolide II (2), phi-taraxasteryl acetate (3), taraxerol acetate (4), beta-sitosterol (5), stigmasterol (6), beta-eudesmol (7),

Semisynthetic aurones inhibit tubulin polymerization at the colchicine-binding site and repress PC-3 tumor xenografts in nude mice and myc-induced T-ALL in zebrafish.

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Structure-activity relationships (SAR) in the aurone pharmacophore identified heterocyclic variants of the (Z)-2-benzylidene-6-hydroxybenzofuran-3(2H)-one scaffold that possessed low nanomolar in vitro potency in cell proliferation assays using various cancer cell lines, in vivo potency in prostate

Design, synthesis, and biological evaluation of benzofuran- and 2,3-dihydrobenzofuran-2-carboxylic acid N-(substituted)phenylamide derivatives as anticancer agents and inhibitors of NF-κB.

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With the aim of developing novel scaffolds as anticancer agents and inhibitors of NF-κB activity, 60 novel benzofuran- and 2,3-dihydrobenzofuran-2-carboxylic acid N-(substituted)phenylamide derivatives (1a-s, 2a-k, 3a-s, and 4a-k) were designed and synthesized from the reference lead compound

Induction of IL-25 secretion from tumour-associated fibroblasts suppresses mammary tumour metastasis.

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Tumour-associated fibroblasts (TAFs), as a functionally supportive microenvironment, play an essential role in tumour progression. Here we investigate the role of IL-25, an endogenous anticancer factor secreted from TAFs, in suppression of mouse 4T1 mammary tumour metastasis. We show that a

Synthesis and biological evaluation of dihydrobenzofuran lignans and related compounds as potential antitumor agents that inhibit tubulin polymerization.

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A series of 19 related dihydrobenzofuran lignans and benzofurans was obtained by a biomimetic reaction sequence involving oxidative dimerization of p-coumaric, caffeic, or ferulic acid methyl esters, followed by derivatization reactions. All compounds were evaluated for potential anticancer activity

Cytotoxic dihydrobenzofuran neolignans from Mappianthus iodoies.

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Three new dihydrobenzofuran neolignans, mappiodoinins A-C (1-3), together with nine known analogues (4 -12) were isolated from the stems and leaves of Mappianthus iodoies. Their structures with the absolute configurations were elucidated by extensive spectroscopic methods. This is the first time to

B591, a novel specific pan-PI3K inhibitor, preferentially targets cancer stem cells.

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Cancer stem cells (CSCs) have been implicated in metastasis, relapse, and therapeutic resistance of cancer, so successful cancer therapy may therefore require the development of drugs against CSCs or combining anti-CSCs drugs with conventional therapies. The phosphoinositide 3-kinase (PI3K)

Isolation of dihydrobenzofuran derivatives from ethnomedicinal species Polygonum barbatum as anticancer compounds.

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Ethnomedicinally, the family Polygonaceae is famous for the management of cancer. Various species of this family have been reported with anticancer potentials. This study was designed to isolate anticancer compounds from ethnomedicinally important species Polygonum

Terpene and phenolic constituents of Lactuca indica L.

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We isolated seven terpenes and five phenolic constituents from the aerial parts of Lactuca indica L. using column chromatographic separation of its MeOH extract. Their structures were determined by spectroscopic methods to be trans-phytol (1), 3beta-hydroxyglutin-5-ene (2),

In vitro antiinflammatory effects of neolignan woorenosides from the rhizomes of Coptis japonica.

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Five dihydrobenzofuran neolignans, woorenosides I (1), II (2), III (3), IV (4), and V (5), isolated from Coptis japonica (Ranunculaceae), suppressed tumor necrosis factor (TNF)-alpha and nitric oxide (NuOmicron) production, as well as lymphocyte proliferation triggered by inflammatory signals such

Sinensiols B-G, six novel neolignans from Selaginella sinensis.

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Six new neolignans, sinensiols B-G (1-6), together with three known analogues (7-9) were isolated from the whole plant of Selaginella sinensis. Their planar structures were established by comprehensive spectroscopic analyses including 1D, 2D NMR, IR and HRESIMS data. The absolute configurations of

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