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The first synthesis of (±)-brevione B, an allelopathic agent isolated from Penicillium sp.
Authors:Hirosato Takikawa  Manabu HirookaMitsuru Sasaki
Affiliation:Department of Biofunctional Chemistry, Kobe University, Rokkodai 1-1, Nada-ku, Kobe 657-8501, Japan
Abstract:
Breviones A∼E (15), allelopathic agents isolated from Penicillium brevicompactum Dierckx, are structurally unique pentacyclic or hexacyclic diterpenoid derivatives. The first synthesis of brevione B (2) was achieved by employing the double SN2′-type tandem reaction as a key step.
Keywords:diterpenoids   α-pyrone   allelopathic agents   tandem reaction
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