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- A method on synthesis of ionone from litsea cubeba oil had been developed. 改進(jìn)了由山蒼子油合成紫羅酮的方法。
- The yield of the pseudoionone and ionone was 96. 2% and 97. 6% respectively. 反應條件溫和;周期短;縮合反應的產(chǎn)率達96.;2%25;環(huán)化反應的產(chǎn)率達97
- Lutein and zeaxanthin are both dihydroxy-carotenoids with the ionone ring systems distributed widely in nature. 葉黃素和玉米黃質(zhì)是含紫羅酮環(huán)的二羥基類(lèi)胡蘿卜素,在自然界廣泛存在。
- Lutein is dihydroxy-carotenoids with the ionone ring systems distributed widely in nature. 葉黃素是含紫羅酮環(huán)的二羥基類(lèi)胡蘿卜素,在自然界廣泛存在。
- Ionone was synthesized from Litsea cubeba oil and lemen oil,and condition of condensation,cyclization and purification of product was studied. 以山蒼子油、檸檬草油為原料合成紫羅蘭酮,研究了縮合反應、環(huán)化反應、產(chǎn)品精制的工藝條件;
- The company, founded in 2001, specializing in the production of sales ionone, Cang-class integrated oil products spices. 本公司創(chuàng )建于2001年，專(zhuān)業(yè)生產(chǎn)銷(xiāo)售紫羅蘭酮、山蒼籽油類(lèi)綜合香料產(chǎn)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%. 假性烯丙基紫羅蘭酮收率達74．5%25，目標產(chǎn)物烯內基紫羅蘭酮收率達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. 相同成分有紫羅酮、己醛、己醇、己烯醛、己烯醇、內酯類(lèi)、萜烯醇類(lèi)等 ,這些成分共同構成杏果實(shí)的香味 ,但其含量在兩個(gè)品種間存在差異。
- 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. 考察了反應溫度、反應時(shí)間、催化劑用量及其它相關(guān)因素對收率的影響 ,確立了優(yōu)化的反應條件。
- 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. 在常壓下以四丁基溴化銨作相轉移催化劑合成制得假性紫羅蘭酮,研究了各反應因素對目的產(chǎn)物收率的影響。
- Catalytic Synthesis of Ionone by Nickel Sulfate 硫酸鎳催化合成紫羅蘭酮
- Synthesis and Application of Ionone 紫羅蘭酮的合成及應用
- Synthesis of ionone by solid superacid catalyst 固體超酸催化合成紫羅蘭酮
- The Synthetic Experiment of Ionone 香料紫羅蘭酮的合成試驗
- Advances in Synthesis of Keto-Ionone by Allylic Oxidation of Ionone 紫羅蘭酮的烯丙位氧化制備氧代紫羅蘭酮的研究進(jìn)展
- Closed Link by Optimum Technology in Synthesis of Ionone 紫羅蘭酮合成中環(huán)化工藝的優(yōu)化
- Study on the Synthesis of Methyl Ionone by Cyclization Reaction 甲基紫羅蘭酮環(huán)化合成的研究
- Keywords synthesis;litsea cubeba oil;pseudoinone;ionone; 合成;山蒼子油;假性紫羅蘭酮;紫羅蘭酮;
- Keywords Citral;Pseudoionone;Ionone;Synthesis;Perfumes; 檸檬醛;假紫羅蘭酮;紫羅蘭酮;合成;
- Keywords ionone;synthesis;application;citral;Litsea cubeba oil; 紫羅蘭酮;合成;應用;檸檬醛;山蒼子精油;
