dihydrobenzofuran/infiammazione

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Antioxidant and anti-inflammatory active dihydrobenzofuran neolignans from the seeds of Prunus tomentosa.

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Prunus tomentosa seeds were researched for antioxidant and anti-inflammatory constituents. By activity-guided fractionation of P. tomentosa seed extract, six new dihydrobenzofuran neolignans, prunustosanans AI-IV (1-4) and prunustosanansides AI and AII (5 and 6), together with 10 known compounds

2,3-Dihydrobenzofuran-2-ones: a new class of highly potent antiinflammatory agents.

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A series of 2,3-dihydrobenzofuran-2-one analogues of the mold metabolite wortmannin, which is a powerful antiinflammatory compound, was synthesized. Most of these compounds were tested for their ability to inhibit the carrageenin paw edema and the adjuvant-induced arthritis of the rat and for their

Establishment and Phytochemical Analysis of a Callus Culture from Ageratina pichinchensis (Asteraceae) and Its Anti-Inflammatory Activity.

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A protocol was established to produce bioactive compounds in a callus culture of Ageratina pichinchensis by using 1 mg L-1 NAA with 0.1 mg L-1 KIN. The phytochemical study of the EtOAc extract obtained from the callus biomass, allowed the isolation and characterization of eleven secondary

New sesquiterpene lactone and neolignan glycosides with antioxidant and anti-inflammatory activities from the fruits of Illicium oligandrum.

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Phytochemical investigations of the fruits of Illicium oligandrum resulted in a new sesquiterpene lactone, 3 beta-benzoyloxy-10-deoxyfloridanolide (1), and three new neolignan glycosides, including two dihydrobenzofuran neolignan glycosides, (7 R,8 S)-9-O-beta-D-xylopyranosyl-9'-O-alpha-

Bioactive compounds from Bauhinia purpurea possessing antimalarial, antimycobacterial, antifungal, anti-inflammatory, and cytotoxic activities.

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Eleven new secondary metabolites (1-11), together with two known flavanones (12 and 13) and five known bibenzyls (14-18), were isolated from the root extract of Bauhinia purpurea. New compounds include eight dihydrodibenzoxepins (1-8), a dihydrobenzofuran (9), a novel spirochromane-2,1'-hexenedione

In vitro anti-inflammatory effect of picrasmalignan A by the inhibition of iNOS and COX‑2 expression in LPS‑activated macrophage RAW 264.7 cells.

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Picrasma quassioides (P. quassioides) has been widely used as a traditional Chinese medicine for clearing fever and detoxification. Previous phytochemical studies have identified a novel dihydrobenzofuran-type neolignan, picrasmalignan A, isolated from the stems of P. quassioides. In the present

Selective glucocorticoid receptor agonists for the treatment of inflammatory bowel disease: studies in mice with acute trinitrobenzene sulfonic acid colitis.

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Despite being a mainstay of inflammatory bowel disease (IBD) therapy, glucocorticoids (GCs) still carry significant risks with respect to unwanted side effects. Alternative drugs with a more favorable risk/benefit ratio than common GCs are thus highly desirable for the management of IBD. New and

A new anti-inflammatory glucoside from Ficus racemosa L.

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Bioassay-guided fractionation of the ethanol extract of Ficus racemosa resulted in the identification of a new compound (rel)-4,6-dihydroxy-5-[3-methyl-(E)-propenoic acid-3-yl]-7-beta-glucopyranosyl-[2alpha,3beta-dihydrobenzofuran]-(3,2:

New inhibitors of nitric oxide production from the seeds of Myristica fragrans.

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Six dihydrobenzofuran type neolignans were isolated from the dried ripe seeds of Myristica fragrans Houtt. (family: Myristicaceae) and their chemical structures were identified as licarin B (1), 3'-methoxylicarin B (2), myrisfrageal A (3), isodihydrocainatidin (4), dehydrodiisoeugenol (5), and

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

2-Benzyl-benzofurans from the tubers of Ophiopogon japonicus.

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BACKGROUND The overproduction of nitric oxide (NO) is known to involve in various inflammatory processes. A methanol extract of the tubers of Ophiopogon japonicus was found to strongly inhibit NO production. The present paper deals with the isolation, structural identification and NO inhibitory

HPLC-Guided Isolation, Purification and Characterization of Phenylpropanoid and Phenolic Constituents of Nutmeg Kernel (Myristica fragrans).

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Many studies on the biological activities of nutmeg continue to appear in the literature. The most common targets include GIT, CNS, oxidative stress and inflammation. However, results obtained from most studies are often inconsistent due to the variability of utilized samples, lack of standardized

Discovery of Potent Benzolactam IRAK4 Inhibitors with Robust in Vivo Activity.

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IRAK4 kinase activity transduces signaling from multiple IL-1Rs and TLRs to regulate cytokines and chemokines implicated in inflammatory diseases. As such, there is high interest in identifying selective IRAK4 inhibitors for the treatment of these disorders. We previously reported the discovery of

A new neolignan and a new sesterterpenoid from the stems of Picrasma quassioides Bennet.

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A new dihydrobenzofuran-type neolignan, picrasmalignan A (1), and a new sesterterpene lactone, 2'-isopicrasin A (4), were isolated from the stems of Picrasma quassioides Bennet, along with four known compounds, comprising two neolignans, 2 and 3, a sesterterpene lactone, 5, and a flavonol, 6. The

Stilbenoids from the lianas of Gnetum pendulum.

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The first new isorhapontigenin dimer glucoside gnetupendin D (1) and a stilbene dimer coupled by a resveratrol and an oxyresveratrol with a cis-dihydrobenzofuran were obtained from the lianas of Gnetum pendulum C. Y. Cheng (Gnetaceae), along with nine known compounds. Their structures and

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