Achilleol AAchilleol A is a monocyclic triterpene with the molecular formula.Natural occurrenceThe compound is found in such taxons as Achillea odorata, Camellia oleifera, Santolina elegans, Triticum aestivum, among others.SynthesisThere is a simple method for synthesizing the monocyclic triterpene achilleol A, employing titanium(III) chemistry as the crucial step. This synthesis validates the structure previously determined by spectroscopic analysis.