, Volume 36, Issue 1, pp 54-56

Preformed azulene pigments ofLactarius indigo (Schw.) Fries (Russulaceae, Basidiomycetes)

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The structure of a new naturally-occurring azulene, 1-stearoyloxymethylene-4-methyl-7-isopropenylazulene, obtained from an acetone extract of the blue mushroomLactarius indigo, has been determined by chemical and spectral methods.

This paper is dedicated to Prof. André Dreiding, Zürich, on the occasion of his 60th birthday.