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- Disproportionated rosin (DPR) (2-hydroxyethyl acrylate) ester was synthesized by acyl chlorination and esterification of DPR acid. 通过对歧化松香(DPR)分别进行酰氯化和酯化反应成功制备了DPR(丙烯酸-2-羟基乙基酯)酯。
- Ropivacaine hydrochloride in 54% yield was synthesized from N-(2,6-dimethylphenyl)-piperidine-2-carboxamide),which was obtained in 50.1% yield from 2-pipecolic acid by chlorination using triphosgene as an acyl chlorination agent and amidation. 以三光气为酰氯化剂;2-哌啶甲酸经酰氯化;酰胺化制得1-N-(2;6-二甲基苯基)-2-哌啶甲酰胺(2);收率50.;1%25(以2-哌啶甲酸计)。 以DMF为溶剂;2经丙基化反应合成了盐酸罗哌卡因(1);收率54%25。
- acylation chlorination 酰氯化
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- In this paper,the method of preparation of CLT acid from m-toluidine via acylation,chlorination,hydrolization and sulfonation was studied. 进行了由间甲苯胺为原料，经乙酰化、氯化、水解、磺化等反应制备CLT酸的合成研究。
- An example of the acyl group is the acetyl group. 乙酰基是酰基的一个例子。
- Tannase is an acyl hydrolase of tannin. 单宁酶是水解单宁酯键的酶，用途广泛，具有重要的商业价值。
- METHODS The target compound was synthesized from 2-fluorobenzoic acid by chlorination, F-C acylation, addition, hydrolysis, chlorination and condensation. 方法以邻氟苯甲酸为原料，经氯化、F-C酰化、加成、水解、氯化、缩合等反应制得目标化合物。
- Chlorination tablet can be added to water to make it safe to drink. 将加氯消毒片放入水中可以使之安全。
- Keywords affinity membrane;combinatorial chemistry;aminomethylation polysulfone;synthesize;acyl chlorine;sorption; 亲和膜;组合化学;胺甲基化聚砜;酰氯;吸附;
- The practice of chlorination has become so widespread. 氯化法在实践中已得到广泛应用。
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- Keywords preservative;mannose methyl fumarate;acylating chlorination;esterification;anti-microbial activity;mono-methyl fumarate chloride; 防腐剂;反丁烯二酸甘露糖甲酯;酰氯化;酯化;抗菌特性;反丁烯二酸单甲酯单酰氯;
- Chlorination tablet can is add to water to make it safe to drink. 将加氯消毒片放入水中可以使之安全。
- Methods:EFTA is synthesized from EATA by one step:acyl. 方法:以2-氨基-噻唑基-4-乙酸乙酯(EATA)为原料;经氨基甲酰化反应得到 EFTA.
- CPE was the product made by chlorination of PE, and had extensive applications. 氯化聚乙烯(CPE)是由聚乙烯氯化而制得的产品,用途广泛。
- The kinetic equation of acylation process fitted first order linear relation. 酰化过程的动力学方程符合一级线性关系。
- Chlorination tablet can be added to water to make it safe to drink . 将加氯消毒片放入水中可以使之安全。
- OBJECTIVE To optimize the synthesis of photosensitizer chlorin e_6 (1). 目的优化光敏剂二氢卟吩e_6(1)的合成工艺。
- Addifionally chlorination can increase the genotoxicity of tap water. 而加氯消毒使水质的遗传毒性增高。
