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- Ten aryl chloroacetates were synthesized by liquid-liquid phase transfer catalysis. 摘要利用液-液相转移催化法合成了10种氯乙酸芳酯。
- The influences of additive sequence and phase transfer catalysis are investigated. 考察了加料顺序和相转移催化剂对偶联反应的影响。
- In the methodological study, hirsutrin 3 and hyperin 4 were synthesized by phase transfer catalysis (PTC). 在方法学的研究中,通过相转移催化法合成了陆地棉苷3和金丝桃苷4。
- Azone is synthesized with caprolactam and 1- bromododecane by phase transfer catalysis, the yield is> 70%. 以己内酰胺、澳代十二烷为原抖,采用相转移催化法合成氮酮,收率达到70%25以上。
- Glycine was synthesized by phase transfer catalysis in the normal atmospheric temperature and atmospheric pressure. 以氨水、氯乙酸为原料,以六亚甲基四胺为相转移催化剂,在常温、常压下合成了氨基乙酸。
- The synthesis of Rosacetol Roseme by use of phase transfer catalysis at different conditions is studied. 研究了利用相转移催化剂在不同条件下合成结晶玫瑰的工艺。
- Allicin was prepared from sulfur and allyl chloride under phase transfer catalysis condition, via the intermediate of diallyl disulfide. 以3-氯丙烯及硫粉在相转移反应条件下,合成二烯丙基二硫,再氧化制备蒜素。
- Benzyl acetate is synthesized by means of phase transfer catalysis with a queous sodium acetate and benzyl chl oride as raw materials. 以工业品的含水醋酸钠和氯化苄为原料,相转移催化法制备醋酸苄酯香料。
- The synthesis of benzyl benzoate from sodium benzoate and benzyl chloride by phase transfer catalysis process is studied in the article. 由苯甲酸钠和氯化苄通过相转移催化法合成了苯甲酸苄酯,考察了几种季铵盐类相转移催化剂的亲核取代反应性能。
- This paper reports that diethylene glycol reacts with potassium hydroxide and n-bromobutane to synthesize dibutyl ether by means of solid-liquid phase transfer catalysis. 采用固-液相转移催化的新方法,在氢氧化钾的存在下,一缩二乙二醇与溴代正丁烷反应合成一缩二乙二醇双丁醚。
- N-alkylated modification of the water-soluble low-molecular weight chitosan was made by phase transfer catalysis using cetyl trimethyl ammonium bromide in NaOH solution. 采用溴化十六烷基三甲基铵作相转移催化剂,在氢氧化钠水溶液进行低聚水溶性壳聚糖的N-烷基化修饰改性反应。
- Seven new cinnamoyl substituted hydrazide compounds were synthesized by reaction of cinnamyl chloride with different hydrazides under phase transfer catalysis condition. 摘要利用相转移催化法,由肉桂酰氯与取代单酰肼反应,得到7种肉桂酰取代酰肼类化合物;
- Based on the principle of phase transfer catalysis, 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde. 以对甲氧基苯甲醛、三氯甲烷为原料,相转移催化羰基加成法合成了对甲氧基苯乙醇酸。
- For synthesizing these compounds, the technique of phase transfer catalysis was successfully applied in the N-alkylation of oxindoles and the carbamylation of 5-hydroxyindolines. 在这些化合物的合成过程中,成功地应用了相转移催化反应于2-二氢吲哚酮的N-烷化及5-羟基-二氢吲哚的胺甲酰化。
- Using the nicotinic acid as raw material for designing highly active pesticide, four new thiourea derivatives were synthesized by solid-liquid phase transfer catalysis. 摘要为了寻找高活性的农药,以高活性的植物源成分烟酸为前体,通过相转移催化法,合成了4个酰基硫脲衍生物。
- The technology for the synthesis of sucrose ester using corn oil methyl ester as starting material in place of purified fatty acids by phase transfer catalysis. 研究了以玉米油甲酯为原料代替单一脂肪酸合成玉米油蔗糖酯的工艺。
- The application of phase transfer catalysis in fluorination of halo-aromatic compounds,mechanism,variety and reaction condition of fluorination are reviewed in this article. 从相转移催化剂的种类、原理、反应条件以及它在卤代芳香族化合物氟化反应中的应用等方面对相转移催化剂的作用进行概括和总结。
- Sulfadiazine-polylactide,a tumor targeting drug carrier,was successfully synthesized by the phase transfer catalysis(PTC)with tetrabutyl ammonium chloride hydroxide as catalyst. 采用相转移催化法以四丁基氯化铵为催化剂合成了端基含磺胺嘧啶的聚乳酸,将肿瘤导向基团引入了可生物降解药物载体。
- This paper studies the Reaction of 1,2,3-Trichloropropane with Dimethylamine at action of phase transfer catalysis and specific solvent. The Yield of the N-substitution, which had distinct raised, has been discovered. 讨论了在相转移催化和一定的溶剂作用下1,2,3-三氯丙烷与二甲胺的反应,发现N-取代的产率有明显的提高。
- The synthsized six kinds of quat ernary ammo nium salts show good phase transfer catalysis and certain effcet of asymmetric i nduction in nucleophilic addition of benzaldehyde with chloroform. 6种手性季铵盐对苯甲醛与氯仿的亲核加成反应;显示出良好的相转移催化作用和一定的不对称诱导效应.