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- Influence of pH on Yield of DPT Prepared Without Acetic Anhydride. 非醋酐法合成DPT与pH值的关系
- Subject to control the chemicals acetic anhydride, ephedrine etc. . 受管制化学品乙酸酐、麻黄碱等.
- Add the crystalline dihydrate(5g)to acetic anhydride(10??in a beaker. 向盛有10?蟠姿狒?的烧杯内加入5g二水合物结晶。
- The kinetics of esterification of linalool with acetic anhydride was studied. 研究了芳樟醇与乙酸酐酯化反应动力学。
- This may be readily converted to the anhydrous salt by reaction with a readily hydrolysed material, such as acetic anhydride. 这和易水解的物质如醋酸酐反应可以很容易转变为无水盐。
- Acetylene has become increasingly prominent as a raw material for a whole series of organic compounds, among them acetaldehyde, acetic acid, and acetic anhydride. 对于整个系列的有机化合物，包括乙醛、乙酸、醋酸酐，乙炔已经成为越来越重要的原材料。
- Sulfonated EPDM ionomers(S-EPDM) were prepared with concentrated sulfuric acid and acetic anhydride. 用浓硫酸和醋酸酐与三元乙丙橡胶 (EPDM)反应制备了磺化三元乙丙橡胶离聚物 (S -EPDM)。
- By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent. 本文报道合成抗溃疡药丙谷胺的改进工艺。
- An alcohol evaporator for production of acetic acid and acetic anhydride exploded during operation. 一种用于生产醋酸和醋酸酐的酒精蒸发釜在服役中发生了爆炸。
- Abstract： The kinetics of esterification of linalool with acetic anhydride was studied. 摘 要： 研究了芳樟醇与乙酸酐酯化反应动力学。
- New progress for phenylacetone synthesis from organic zinc reagent and acetic anhydride was studied. 实验研究了以氯化苄为原料合成药物中间体苯基丙酮的新工艺。
- Acetyl-isolongifolene was prepared by C-acetylation reaction with isolongifolene and acetic anhydride. 以异长叶烯和醋酐为原料，经乙酰化反应合成乙酰基异长叶烯。
- DME is a preferred substitute for chlorofluorocarbons and can derive a number of products with high value such as dimethyl carbonate,acetic acid,acetic anhydride and formaldehyde. 二甲醚是氯氟烃的替代品,用它可以开发一系列高附加值产品,例如碳酸二甲酯、醋酸、醋酐、甲醛等;
- In this paper, 1,1-Diacetate was synthesized from furfural and acetic anhydride by acidic bentonite friendly to environment as catalyst with excellent yield(87.6%). 摘要利用对环境友好的酸性皂土做催化剂，糠醛与乙酸酐发生缩合反应合成了1;1-二乙酸酯，产率高达86.;6%25。
- In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent. 本文以1?氨基蒽醌和乙酐为原料，乙酸作溶剂，合成了1?乙酰氨基蒽醌。
- Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by chloride acidation bentonite. 以水杨酸和乙酸酐为原料,在自制酸化膨润土催化下合成了阿司匹林;
- Using acid or pyridine as a catalyst,nitrogen aci3,4-diamino-3-cyclobutenedione)can be acylated by carboxylic acid,acetic anhydride and acyl chloride. 在酸或吡啶催化下，氮方酸（3，4－二氨基－3－环丁烯二酮）可被酰化试剂羧酸、醋酐和酰氯酰化；
- Using water or sodium carbonate solution as the reactive medium,acetanilide was synthesized by aniline and acetic anhydride as the starting materials. 在水或碳酸钠溶液中，对用苯胺和乙酐为原料合成乙酰苯胺进行了研究。
- Rosolic acid reacted with acetic anhydride to synthesize rosolic acid-triacelate ester [tri(4-acetoxy) phenyl methane] under reflux condition. 以玫红酸、醋酸酐为原料,采用加热回流法合成了玫红酸三乙酸酯[三(4-乙酰氧基)苯基甲烷]。
- The reaction of synthesizing titanyl organic compounds from titanium tetrabutoxy and acetic anhydride has been studied with FTIR, NMR and TGA. 用FTIR、NMR和TGA等研究了钛酸丁酯与乙酐合成钛氧有机物的反应;
