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Two new metabolites of hybrid strains KO 0201 and 0211 derived from Penicillium citreo-viride B. IFO 6200 and 4692

✍ Scribed by Takashi Nakada; Sho Sudo; Seiji Kosemura; Shosuke Yamamura

Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
218 KB
Volume
40
Category
Article
ISSN
0040-4039

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✦ Synopsis

Two new metabolites, citreo-y-pyrone and citreothiopyrane A, with interesting biological activity have been isolated from the mycelia of hybrid strains KO 0201 and 0211 derived from Penicillium citreo-viride B. IFO 6200 and 4692. Their structures have been elucidated based on their spectral data. In addition, their biological properties are also described. The structure of citreothiolactone previously reported has been revised.

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Three New Metabolites of Hybrid Strain K
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AbstractÐThree new metabolites, anthrasteroids, have been isolated from the mycelia of a hybrid strain, KO 0231, prepared by cell fusion technique using Penicillium citreo-viride IFO 6200 and 4692. Their structures were determined based on their spectral data. Furthermore, these natural products wer

Citreospirosteroid, a new metabolite of
Citreospirosteroid, a new metabolite of a hybrid strain KO 0011 derived from Penicillium citreo-viride B. IFO 6200 and 4692
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A sterol with a spiro ring system of B/C rings, citreospirosteroid, has been isolated from the mycelium of a hybrid strain KO 001l derived from Penicillium citreo-viride B. IFO 6200 and 4692. Its stereostructure has also been elucidated on the basis of its spectral data. It inhibited the growth of h