Structure et synthèse de la damascénone (triméthyl‐2,6,6‐trans‐crotonoyl‐1‐cyclohexadiène‐1,3), constituant odorant de l'essence de rose bulgare (rosa damascena Mill.

Abstract Damascenone DORICENONE (trade mark applied for by Firmenich ‐cyclocitral is described for this conspicuous constituent of rose oil, which displays a powerful fragrance. The synthesis of four related, more saturated ketones, damascones DORINONE (trade mark applied for by Firmenich & Cie , Geneva). , is also described.