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  • Title: Secoscabronine M, a novel diterpenoid from the Chinese bitter mushroom Sarcodon scabrosus.
    Author: Shi XW, Zhang AL, Pescitelli G, Gao JM.
    Journal: Chirality; 2012 May; 24(5):386-90. PubMed ID: 22517406.
    Abstract:
    Secoscabronine M (1) is a hemiacetal cyathane diterpenoid that was isolated from the fruiting bodies of the basidiomycete Sarcodon scabrosus (Fr.) Karst. Compound 1 possesses a novel structure with a bond cleavage between C-3 and C-4. The structure of the new compound was elucidated by means of spectroscopic methods, including two-dimensional nuclear magnetic resonance experiments. The absolute configuration of 1 was established by analysis of circular dichroism spectroscopy and also by employing time-dependent density functional theory calculations. In addition, compound 1 was confirmed to be an equilibrium mixture of two epimers (15S and 15R) at position C-15 in polar solvents by one-dimensional nuclear magnetic resonance analysis.
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