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Six immunosuppressive features from an ascomycete, Zopfiella longicaudata, found in a screening study monitored by immunomodulatory activity.
In a screening study on immunomodulatory fungal metabolites, three known anthraquinones, carviolin (roseo-purpurin) (1), 1-O-methylemodin (2), omega-hydroxyemodin (citreorosein) (4), and a newExpand
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Immunomodulatory constituents from an Ascomycete, Eupenicillium crustaceum, and revised absolute structure of macrophorin D.
Fractionation guided by immunomodulatory activity of the EtOAc extract of the Ascomycete Eupenicillium crustaceum has afforded two new naturally occurring products, 4'-oxomacrophorin D (1) andExpand
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Immunomodulatory constituents from an ascomycete, Emericella aurantio-brunnea.
Fractionation monitored by the immunomodulatory activity of the AcOEt extract of an Ascomycete, Emericella aurantio-brunnea, afforded two known fungal sesterterpenes, variecolin (1) andExpand
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Constituents of Solidago Species. Part VI. The Constitution of Diterpenoids from a Chemically Distinct Variety of Solidagoserotina
One known (1) and eight new (3, 5, 6a, 7, 8a, 15, 16, and 19b) diterpenoids have been isolated from a chemically distinct subgroup within the species Solidagoserotina Ait. The constitution andExpand
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Constituents of Solidago species. Part VII. Constitution and stereochemistry of the cis-clerodanes from Solidago arguta Ait. and of related diterpenoids
Six new diterpenoids, (2a—e) and (4), with a cis-clerodane skeleton and the known trans-clerodane (1) have been isolated from the roots of Solidago arguta. The constitution and stereochemistry of theExpand
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Diterpenoids of Solidago arguta Ait. The stereochemistry of cis-clerodanes
Six new diterpenoids from Solidago arguta are formulated as (1)–(6) on the basis of chemical and spectrosopic evidence and comment is made on the stereochemistry of several related, known,Expand
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Stereochemistry of clerodanes. X-Ray structure of a key diterpenoid from Solidago arguta Ait
X-Ray structural studies of the diterpenoid (1) from Solidago arguta have confirmed the relative stereo-chemistries assigned to (1) and a large group of related compounds including marrubiaside (3),Expand
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