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Lignans and neolignans from Sinocalamus affinis and their absolute configurations.
Twenty-two new lignans and neolignans (1-22), together with 14 known analogues, have been isolated from an ethanolic extract of the stem (with skin removed) of Sinocalamus affinis. Their structuresExpand
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Indole alkaloid sulfonic acids from an aqueous extract of Isatis indigotica roots and their antiviral activity
Six new indole alkaloid sulfonic acids (1–6), together with two analogues (7 and 8) that were previously reported as synthetic products, were isolated from an aqueous extract of the Isatis indigoticaExpand
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Isatindolignanoside A, a glucosidic indole-lignan conjugate from an aqueous extract of the Isatis indigotica roots
Abstract A glucosidic indole-lignan conjugate with a novel carbon skeleton, named isatindolignanoside A ( 1 ), was isolated from an aqueous extract of the Isatis indigotica roots “ban lan gen”. ItsExpand
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[Production of neutral beta-mannanase by Bacillus subtilis and its properties].
  • F. Cui, J. Shi, Z. Lu
  • Chemistry, Medicine
  • Wei sheng wu xue bao = Acta microbiologica Sinica
  • 1 February 1999
Neutral beta-mannanase was produced by Bacillus subtilis BM9602 isolated from a soil. For this strain the neutral beta-mannanase was produced only when polysaccharides were used as a carbon source.Expand
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An Abietane Diterpene and a Sterol from Fungus Phellinus igniarius
A new abietane diterpene 12-hydroxy-7-oxo-5, 8, 11, 13-tetraene-18, 6-abietanolide, together with a new natural sterol stigmasta-7, 22-diene-3β, 5α, 6α-triol have been isolated from the fruiting bodyExpand
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Homosecoiridoid alkaloids with amino acid units from the flower buds of Lonicera japonica.
Nine new homosecoiridoid alkaloids, named lonijaposides O-W (1-9), along with 19 known compounds, were isolated from an aqueous extract of the flower buds of Lonicera japonica. Their structures andExpand
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4-Hydroxybenzyl-substituted amino acid derivatives from Gastrodia elata
Seven new 4-hydroxybenzyl-substituted amino acid derivatives (1−7), together with 11 known compounds, were isolated from an aqueous extract of the rhizomes of Gastrodia elata Blume. Their structuresExpand
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Aconicarmisulfonine A, a Sulfonated C20-Diterpenoid Alkaloid from the Lateral Roots of Aconitum carmichaelii.
A novel sulfonated C20-diterpenoid alkaloid with an unprecedented carbon skeleton and significant analgesic activity (46.7% inhibition at 0.1 mg/kg, i.p.), named aconicarmisulfonine A (1), wasExpand
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Sulfur-enriched alkaloids from the root of Isatis indigotica
  • Q. Guo, C. Xu, +6 authors J. Shi
  • Chemistry, Medicine
  • Acta pharmaceutica Sinica. B
  • 8 June 2018
Five new sulfur-enriched alkaloids isatithioetherins A–E (1–5), and two pairs of scalemic enantiomers (+)- and (−)-isatithiopyrin B (6a and 6b) and isoepigoitrin and isogoitrin (7a and 7b), alongExpand
  • 13
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Three pairs of alkaloid enantiomers from the root of Isatis indigotica
Three pairs of enantiomerically pure alkaloids with diverse structure features, named isatindigoticoic acid A and epiisatindigoticoic acid A [(−)-1 and (+)-1], phaitanthrin A and epiphaitanthrin AExpand
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