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- guaiacol cinnamate 愈创木酚肉桂酸酯
- They were good catalyst for synthesis of n-butyl cinnamate. 它们是催化合成肉桂酸正丁酯的良好催化剂。
- The main products of lamivudine, emtricitabine, nevirapine, and guaiacol glycerol ether four chemical species. 主要产品为拉米夫定、恩曲他滨、奈韦拉平、和愈创木酚甘油醚四个品种化学原料药。
- After 15 days the activities of liver POD were measured by using Guaiacol colorimetric methods (I). 结果:经测定,实验组小组肝组织过氧化物酶(POD)活性高于对照组。
- Amyl cinnamate was synthesized from cinnamic acid and amyl alcohol using tungstosilicic acid as catalyst. 以钨硅酸为催化剂,通过桂酸和戊醇酯化反应合成桂酸戊酯,研究了各有关因素对产品酯化率的影响。
- Its main synthesis method is nitration of guaiacol by fuming nitric acid and glacial acetic acid as nitration agent. 它的合成目前主要采用愈创木酚硝化法,以发烟硝酸和冰醋酸混酸做硝化剂。
- The main component was methoxy-ethyl cinnamate with content of 40.96%, next was ethyl cinnamate with content of 23.68%. 主要成分是对甲氧基肉桂酸乙酯,含量为40.;96%25;其次是肉桂酸乙酯,含量为23
- Ethyl cinnamate was prepared by one-pot method from 1,3,3,3-tetrachloropropylbenzene with 85.2% yield. 以1;3;3;3-四氯两基苯一锅煮方法制备肉桂酸乙酯;收率达到85.;2%25。
- Guacetisal was synthesized from aspirin and guaiacol with an improved manufacture in an yield of 81%. 报道了以阿斯匹林为原料合成呱西替柳的改进工艺,总收率达81%25。
- Butyl cinnamate was synthesized from cinnamic acid and butyl alcohol using tungstosilicic acid as catalyst. 以钨硅杂多酸为催化剂,通过肉桂酸和正丁醇反应合成肉桂酸正丁酯。
- Results showed that the conversion of cinnamate acid were 95.5% and the performance of catalyst were stable. 结果表明,肉桂酸的转化率可达95.5%25,且催化剂的性能稳定。
- The main component was methoxy-ethyl cinnamate with content of 40.96%,next was ethyl cinnamate with content of 23.68%. 主要成分是对甲氧基肉桂酸乙酯;含量为40.;96%25;其次是肉桂酸乙酯;含量为23
- This article deals with the synthesis of 3 methoxy 4 hydromandelic acid by condensation of guaiacol and glyoxalic acid in akaline condition. 本文研究了在碱性条件下,由愈创木酚和乙醛酸合成3-甲氧基-4-羟基扁桃酸的反应。
- METHODS Ranolazine was synthesized by using 2, 6-dimethylaniline and guaiacol as the starting material fellewed by 4 step reactions. 方法以2,6-二甲基苯胺、愈创木酚为原料,经酰化、烃化等4步反应制得雷诺嗪。
- HPLC method for simultaneous determination of guaiacol glyceryl ether, chlorphenamine maleate and methylephedrine hydrochloride in Keliting was found. 建立了同时测定可立停中的愈创木酚甘油醚、马来酸氯苯那敏和盐酸甲基麻黄碱含量的高效液相色谱法。
- Guacetisal has been synthesized from salicylic acid and guaiacol with the method of phasetransfer Catalysis.The total yield is up to 95 % from 83 %. 以乙酰水杨酸和愈创木酚为原料;用相转移催化法合成了呱西替柳;产率从83%25提高到95%25.
- A new method of extracting cinnam aldehyde from Cinnamomum cassia Presl bark was put forward. 用少量乙醇溶液润湿肉桂皮,然后加入热水,使渗透到肉桂皮微孔内的乙醇溶液沸腾,强化提取过程。
- Iso-butyl cinnamate was synthesized by the esterifiestion of iso-butanol with cinnamic acid with the presence of potassium bisulfate monohydrate. 应用硫酸氢钾催化肉桂酸与异丁醇的酯化反应,合成了肉桂酸异丁酯。
- Synthesis of vanillin from guaiacol and glyoxylic acid was studied.The reaction conditions were optimized.The total yield of vanillin was 65.6%. 对愈创木酚和乙醛酸缩合一氧化制备香兰素工艺进行了研究;对反应条件进行了优化;使香兰素总收率达65.;6%25。
- In this paper, the methyl cinnamate was synthesized from cinnamate acid and methanol by using strongly acidic ion exchange resin as catalyst. 以磺酸型阳离子交换树脂为催化剂,由肉桂酸和甲醇合成了肉桂酸甲酯。