Lecanicillones A–C (1–3), three unusual dimeric spiciferones with a cyclobutane ringvia[2 + 2] cycloaddition, were isolated from an entomopathogenic fungusLecanicilliumsp. PR-M-3.
Two new rare benzyl-aporphine alkaloids, thaliculine (1) and 6a,7-dehydrothaliculine (2), were isolated from the roots of Thalictrum cultratum Wall. Their structures were determined based on spectroscopic analysis including 1D, 2D NMR, and HRESIMS. The stereochemistry of 1 was assigned by ECD method.Compound 1 exhibited weak cytotoxicity against HL-60 cell line with IC 50 value of 31.40 M.
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