Reynosin - CAS 28254-53-7
Catalog number: 28254-53-7
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Reynosin comes from the roots of Dolomiaea souliei (Franch.) Shih. It exhibits a dose-dependent inhibition on CINC-1 induction in LPS-stimulated NRK-52E cells
> 95%
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1.Isolation and characterization of the sesquiterpene lactones costunolide, parthenolide, costunolide diepoxide, santamarine, and reynosin from Magnolia grandiflora L.
el-Feraly FS;Chan YM J Pharm Sci. 1978 Mar;67(3):347-50.
The germacranolide sesquiterpene lactones costunolide, parthenolide, and costunolide diepoxide were isolated from the leaves of Magnolia grandiflora L. Costunolide diepoxide might be, at least in part, an artifact derived from air oxidation of parthenolide. The root bark yielded only costunolide together with the two eudesmanolides, santamarine and reynosin. In an attempt to synthesize costunolide diepoxide, the action of m-chloroperbenzoic acid on parthenolide and on costunolide was studied. The products were costunolide diepoxide from parthenolide and the two cyclized derivatives, santamarine and reynosin, from costunolide. The elusive 1,10-epoxide was obtained by epoxidizing costunolide using a biphasic system containing sodium bicarbonate. Under these conditions, epoxidation of costunolide took place without cyclization.
2.PTP1B inhibitors from Saussrurea lappa.
Li S;An TY;Li J;Shen Q;Lou FC;Hu LH J Asian Nat Prod Res. 2006 Apr-May;8(3):281-6.
A new lignan glycoside, named 1,5-dihydroxypinoresinol-4'-O-beta-d-glucopyranoside (1), has been isolated from the EtOH extract of the roots of Saussurea lappa, together with twenty known compounds: (+)-1-hydroxypinoresinol-1-O-beta-D-glucopyranoside (2), fraxiresinol-4'-O-beta-D-glucopyranoside (3), (-)-olivil-4''-O-beta-D-glucopyranoside (4), 4-allyl-2,6-dimethoxybenzene-1-O-beta-D-glucopyranoside, syringin, costunolide-15-O-beta-D-glucopyranoside, chlorogenic acid, aloe-emodin-8-O-beta-D-glucopyranoside (5), rhein-8-O-beta-D-glucopyranoside (6), chrysophanol (7), emodin, dehydrocostus lactone, costunolide, beta-costic acid, reynosin, arbusculin A, alpha-cyclocostunolide, beta-cyclocostunolide, santamarine and magnolialide. Three anthraquinones (5-7) showed moderate bioactivity against human Protein Tyrosine Phosphatase 1B (hPTP1B) in vitro.
3.Chemical constituents of two Chinese Magnoliaceae plants, Tsoongiodendron odorum and Manglietiastrum sinicum, and their inhibition of platelet aggregation.
Wang BG;Hong X;Li L;Zhou J;Hao XJ Planta Med. 2000 Aug;66(6):511-5.
Phytochemical investigations of Tsoongiodendron odorum and Manglietiastrum sinicum, both Magnoliaceae, led to the isolation of twenty compounds in total. Among them, one was a new sesquiterpene, 11-O-oleoyl-beta-eudesmol (2), and another, 1-(3,4-dimethoxypheny)-4-(3,4-methylenedioxyphenyl)-2,3-dimethy lbutane (12) was isolated as a natural product for the first time. Moreover, 13C-NMR spectral data of isoguaiacin (16) are reported here for the first time. Structure elucidations for compounds reported here were mainly based on their spectral data. The ethanolic extracts of T. odorum and M. sinicum, and six pure compounds, 4(15)-eudesmen-11-ol (beta-eudesmol) (1), 1 beta-hydroxy-4(15),11(13)-eudesmadien-12,6 alpha-olide (reynosin) (3), 3,11(13)-eudesmadien-12,6 alpha-olide (alpha-cyclocostunolide) (5), erythro-1-(4-hydroxy-3-methoxyphenyl)-4-(3,4-methylenedioxyphenyl)-2,3- dimethylbutane (11), nectandrin-B (18), and syringaresinol (19), displayed considerable inhibition against platelet aggregation induced by AA, by ADP, or by PAF.
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CAS 28254-53-7 Reynosin

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