Two New Sesquiterpenes from Sarcandra Glabra
نویسندگان
چکیده
منابع مشابه
Sesquiterpenes and dimeric sesquiterpenoids from Sarcandra glabra.
Two new sesquiterpenes, sarcandralactones A (1) and B (2), and five new dimeric sesquiterpenoids, sarcandrolides A-E (3-7), along with 10 known compounds were isolated from the whole plants of Sarcandra glabra. Their structures were elucidated on the basis of spectroscopic analysis. Some of the new isolates exhibit significant cytotoxicities when tested against a small panel of tumor cell lines.
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From the whole plant of Sarcandra glabra, a new phenolic acid glycoside, benzyl 2-β-glucopyranosyloxybenzoate (1), together with seven known compounds including eleutheroside B₁ (2), 5-O-caffeoylshikimic acid (3), (-)-(7S, 8R)-dihydrodehydrodiconiferyl alcohol (4), (-)-(7S, 8R)-dihydrodehydrodiconiferyl alcohol 9-, 9′- and 4-O-α-D-glucopyranoside (5-7), and (-)-(7S, 8R)-5-methoxydihydrodehydrod...
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The structures of a new eudesmane sesquiterpene, lauradiol, and a new secoeudesmane, azoridione, have been determined by spectroscopic methods. These compounds and the known sesquiterpenic alcohols, clovanediol and caryophyllenol II, have been isolated from the aerial parts of Laurus azorica.
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BACKGROUND Sarcandra glabra (Caoshanhu) is a traditional Chinese herbal medicine used for treating various oxidative-stressed diseases. The present work evaluated its protective effect on mesenchymal stem cells (MSCs) from oxidative stress and then discussed possible mechanisms underlying this observation. METHODS Ethanolic extract of S. glabra (ESG) was investigated by chemical methods for i...
متن کاملTwo eudesmane sesquiterpenes from Laggera pterodonta.
Two new eudesmane sesquiterpenes, 2alpha-hydroxy pterodontic acid (1) and pterodolide [3alpha-(2-methyl-2,3-epoxy)-butyric-4alpha-acetoxy-8beta-ethoxy eudesma-7(11)-en-8alpha,12-olide (2), along with five known compounds (3-7) were isolated from the aerial parts of Laggera pterodonta. Their structures were elucidated on the basis of spectroscopic methods. The immunosuppressive activity of the i...
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ژورنال
عنوان ژورنال: Natural Product Communications
سال: 2010
ISSN: 1934-578X,1555-9475
DOI: 10.1177/1934578x1000501102