ionone

The yield of the pseudoionone and ionone was 96. 2% and 97. 6% respectively.

反应条件温和,周期短,缩合反应产率达96.2％,环化反应产率达97.6％.

The review summarizes the methods of synthesis of keto-ionone by allylic oxidation of α-and β-ionones,which can be divided into five categories with different oxidation.

综述了α-和β-紫罗位氧化制氧代紫罗研究进展,依据不同氧化剂分为五大类,详细地分析了各种方法特点,指出了今后发展趋势。