, Volume 48, Issue 5, pp 780-781

A new pyranone from Lenzites betulina

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A new pyranone, 2-methoxy-3,6-diphenyl-4H-pyran-4-one, named betulinan C, together with three known compounds, 5α,8α-epidioxy-22E-ergosta-6,22-dien-3β-ol (2), β-sitosterol (3), and ergosta-7,22-dien-3-one (4), was isolated from the ethanol extract of Lenzites betulina. Their structures were determined by analysis of spectroscopic data. Compounds 3 and 4 were isolated from the macrofungi for the first time.

Published in Khimiya Prirodnykh Soedinenii, No. 5, September–October, 2012, pp. 697–698.