Yuki Masumoto

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Two novel 11(9 → 7)-abeo-ergostane-type steroids, named pleurocins A (1) and B (2), a 13,14-seco-13,14-epoxy ergostane, named eringiacetal B (3), and an ergostane steroid (4) were isolated from the fruiting bodies of Pleurotus eryngii (Pleurotaceae). Their structures were determined by spectroscopic data and X-ray crystallography. A possible biogenesis(More)
Six new ergostane-type steroids; (22E)-3β,5α,6α,11-tetrahydroxy-9(11)-seco-ergosta-7,22-dien-9-one (1), (22E)-8,14-epoxyergosta-6,22-diene-3β,5α,9α-triol (2), (22E)-4α,5α-epoxyergosta-7,22-diene-3β,6β-diol (3), (22E)-3β,4β,5α-trihydroxyergosta-7,22-dien-6-one (4), (22E)-ergosta-7,22-diene-3β,5β,6α-triol (5), and (22E)-6β-methoxyergosta-7,22-diene-3β,5α-diol(More)
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