New Straightforward Synthesis of β‐Damascenone and β‐Damascone Derivatives from β‐Ionone via Retro‐α‐ionol

β‐Damascenone and β‐damascone derivatives, important fragrant compounds, were directly obtained from β‐ionone by a new way via retro‐α‐ionol.     

New Preparation Methods for α‐Damascone, γ‐Damascone,and β‐Damascenone using Pyronenes

γ‐ and δ‐Pyronenes are terpenic synthons easily available from myrcene. They are used as intermediates in the synthesis of α‐damascone, γ‐damascones, and β‐damascenone.     

紫罗兰酮及类似化合物的合成

紫罗兰酮及类似化合物具有重要的学术价值与广泛的商业价值。本文介绍了紫罗兰酮及类似化合物的合成方法。