The characteristic of DL-tyrosine ethyl ester resolution by optically active L-tartaric acid in ethanol was researched.
研究了在乙醇溶液中光学活性L-酒石酸拆分DL-酪氨酸乙酯时的特性,发现溶液中同时存在着酒石酸、酪氨酸乙酯酒石酸氢盐和二酪氨酸乙酯酒石酸盐,三者之间的平衡关系影响拆分结果,所得酪氨酸的构型与L-酒石酸和DL-酪氨酸乙酯的投料摩尔比有关。
S (-) (1,1′ Binaphthalene) 2,2′ diol was prepared from 2 naphthol catalyzed by Cu(II) tyrosine ethyl ester complexes via one pot method with 67% yield and the most enantioselectivity of 62 1% ee .
利用“一锅法” ,以L 酪氨酸乙酯为原料和铜 (II)反应生成络合物 ,不对称催化氧化偶合 2 萘酚合成S ( -) 1,1′ 联萘 2 ,2′ 二酚 ,选择最佳反应条件 ,可使化学产率达到 67%,光学产率达到 62 %。
The chemical preparation methods of N benzylglycine ethyl ester were introduced,i.
叙述了国内外N 苄基甘氨酸乙酯的几种化学制备方法,即分别以卤代乙酸乙酯、甘氨酸乙酯、叠氮乙酸乙酯和乙醛酸乙酯乙基半缩醛为起始原料的合成工艺。
Quantitative analysis of industrial ethyl glycinate hydrochloride;
工业品甘氨酸乙酯盐酸盐的含量分析
Synthesis of S-benzylcysteinylglycine Ethyl Ester under Microwave Irradiation
微波法合成S-苄基半胱氨酰甘氨酸乙酯
Theoretical Studies on the Pyrolysis Mechanism of N, N-Dimethylglycine Ethyl Ester and the Photodissociation Mechanism of Hydroxyacetone;
N，N—二甲基甘氨酸乙酯热分解反应机理和羟基丙酮的光解机理的理论研究
catbitol acetate ;diethylene glycol monoethyl ether acetate
二甘醇一乙醚乙酸酯
glycerin triacetate
甘油三乙酸酯,三醋精
hydroxyphenethyl ester
氨基甲酸β－羟苯乙基酯
Synthesis and Characterization of N,N-Disubstituted Glycine Tetraacetyl Glucosyl Esters
N,N-二取代甘氨酸四乙酰基葡萄糖酯的合成与表征
diminazene aceturate
重氮氨苯脒乙酰甘氨酸盐
Synthesis, Characterization and Biological Activities of N,N-Disubstitued Glycine Tetraacetyl Glucosyl and Galactosyl Esters
N，N-二取代甘氨酸四乙酰基葡萄糖酯与半乳糖酯的合成、表征及其生物活性研究
S-ethyl diethylthiocarbamate
Ｓ－乙基二乙基硫代氨基甲酸酯
Calorimetric Investigation into Diethylacetamidomalonate (C_9H_(15)NO_5)
乙酰氨基丙二酸二乙酯的量热学研究
Any of several esters, other than the ethyl ester, of carbamic acid.
聚氨脂一种氨基甲酸中除乙基酯以外的酯
The effect of thermal disposing on the polyurethane chain-extended by lysine ethyl ester
热处理对赖氨酸乙酯扩链聚氨酯性能的影响
id dimethylaminoacetate
葡萄糖酸二甲氨基乙酸酯
Croup 3, 0.02% solutionof sarcosine-eth ylester hydrochloride in the tap water of Linxian County;
3.0.02%肌氨酸乙酯盐酸盐林县自来水溶液;
acetoacetic ester
乙酰醋酸酯[乙酯]
Synthesis of N,N-Dimethylaminoethyl Acrylate Catalyzed by Tetrabutyl Titanate
钛酸四丁酯催化合成丙烯酸二甲氨基乙酯
Synthesis of Diethyl Carbonate from Ethyl Carbamate and Ethanol over Lead Oxide Catalyst
氧化铅催化氨基甲酸乙酯与乙醇合成碳酸二乙酯