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- isomethyl ionone 异甲基紫罗兰酮
- A method on synthesis of ionone from litsea cubeba oil had been developed. 改进了由山苍子油合成紫罗酮的方法。
- The yield of the pseudoionone and ionone was 96. 2% and 97. 6% respectively. 反应条件温和;周期短;缩合反应的产率达96.;2%25;环化反应的产率达97
- Lutein and zeaxanthin are both dihydroxy-carotenoids with the ionone ring systems distributed widely in nature. 叶黄素和玉米黄质是含紫罗酮环的二羟基类胡萝卜素,在自然界广泛存在。
- Lutein is dihydroxy-carotenoids with the ionone ring systems distributed widely in nature. 叶黄素是含紫罗酮环的二羟基类胡萝卜素,在自然界广泛存在。
- Ionone was synthesized from Litsea cubeba oil and lemen oil,and condition of condensation,cyclization and purification of product was studied. 以山苍子油、柠檬草油为原料合成紫罗兰酮,研究了缩合反应、环化反应、产品精制的工艺条件;
- The company, founded in 2001, specializing in the production of sales ionone, Cang-class integrated oil products spices. 本公司创建于2001年,专业生产销售紫罗兰酮、山苍籽油类综合香料产品。
- The optimal reaction condition was obtained.The yield of poudoallyl ionone reaches 74. 5%,the yield of objective product allyl ionone reaches 87. 5%. 假性烯丙基紫罗兰酮收率达74.5%25,目标产物烯内基紫罗兰酮收率达87.5%25。
- The common constituents included ionone,hexanal, hexanol, hexenal, hexenol, lactones, terpenic alcohols,etc, which are major contributors to apricot aroma,but their contents are different in two cultivars. 相同成分有紫罗酮、己醛、己醇、己烯醛、己烯醇、内酯类、萜烯醇类等 ,这些成分共同构成杏果实的香味 ,但其含量在两个品种间存在差异。
- The effects of reaction temperature, reaction time, the amount of catalyst used and other related factors on the yield of ionone were investigated to obtain the optimal reaction conditions. 考察了反应温度、反应时间、催化剂用量及其它相关因素对收率的影响 ,确立了优化的反应条件。
- Ionone violet was synthesized by using tetranbutylammonium bromide as a phase transfer catalyst under normal at mosphere. The optimum parameters for preparing Ionone violet were discussed. 在常压下以四丁基溴化铵作相转移催化剂合成制得假性紫罗兰酮,研究了各反应因素对目的产物收率的影响。
- Catalytic Synthesis of Ionone by Nickel Sulfate 硫酸镍催化合成紫罗兰酮
- Synthesis and Application of Ionone 紫罗兰酮的合成及应用
- Synthesis of ionone by solid superacid catalyst 固体超酸催化合成紫罗兰酮
- The Synthetic Experiment of Ionone 香料紫罗兰酮的合成试验
- Advances in Synthesis of Keto-Ionone by Allylic Oxidation of Ionone 紫罗兰酮的烯丙位氧化制备氧代紫罗兰酮的研究进展
- Closed Link by Optimum Technology in Synthesis of Ionone 紫罗兰酮合成中环化工艺的优化
- Study on the Synthesis of Methyl Ionone by Cyclization Reaction 甲基紫罗兰酮环化合成的研究
- Keywords synthesis;litsea cubeba oil;pseudoinone;ionone; 合成;山苍子油;假性紫罗兰酮;紫罗兰酮;
- Keywords Citral;Pseudoionone;Ionone;Synthesis;Perfumes; 柠檬醛;假紫罗兰酮;紫罗兰酮;合成;