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Two new rhamnopyranosides of neolignans from Sanguisorba officinalis
Two new rhamnopyranosides of neolignans, (7S,8R)-4,9,5′,9′-tetrahydroxy-3,3′-dimethoxy-8-O-4′-neolignan-7-O-α-l-rhamnopyranoside (1) andExpand
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Three new amides from Microlepia pilosissima
Phytochemical investigation of 70% EtOH extract of the dry fronds of Microlepia pilosissima has resulted in isolation of three new amides,Expand
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Diterpene glycosides from the ethanol extract of Diplopterygium rufopilosum
A phytochemical investigation on the 70% EtOH extract from the dry fronds of Diplopterygium rufopilosum afforded two new labdane-type diterpene glycosides,Expand
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Chemical constituents from the ethanol extract of Viburnum ternatum
Phytochemical investigation of the 70% ethanol extract from Viburnum ternatum resulted in the isolation of three new compounds, vibsanol-9′-al (1), 4-methoxy-vibsanol (2), andExpand
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Ergostane Steroids from Dysoxylum lukii
Phytochemical investigation of the 70% EtOH extract from the stem bark of Dysoxylum lukii led to the isolation of three new ergostane steroids, (3β)-3,20-dihydroxyergosta-5,24(28)-dien-7-one (1),Expand
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Diterpenoid Alkaloids from the Roots of Aconitum iochanicum
Three new diterpenoid alkaloids, namely 1-N-deethyl-1,16-demethoxy-1,16-dihydroxy-N(19)-enaustroconitine A (1), 1-N-deethyl-1,16-demethoxy-1,16-dihydroxy-18-methoxy-N(19)-en-austroconitine A (2), andExpand
Tetrahydrofuran lignans from Viburnum betulifolium
Abstract A phytochemical investigation of the EtOH extract from the aerial parts of Viburnum betulifolium Batal. afforded four new tetrahydrofuran lignans, betulifolium A-D (1, 2, 4, and 5), togetherExpand
DNA Compatible Intermolecular Wittig Olefination for the Construction of α, β-Unsaturated Carbonyl Compounds.
A robust DNA-compatible Wittig reaction mediated by PPh2CH3 has been validated for DNA-conjugated α-chloroacetamides with aldehydes and, alternatively, DNA-conjugated aldehydes with α-halo acetamidesExpand
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