6.In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.
扁酯是合成扁系列药物重要中间体。
7.Tripropylene glycol methyl ethyl ether;
名称 三丙二醇甲醚;
8.Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.
鉴于传统方法存在以上缺点,采用酰氯代替作为原料,不使用任何催化剂,不加热,常温反应来合成酯。
9.A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.
报道了以邻氯苯胺、硫氰铵、硫酰氯、亚硝钠和氯酯为主要原料合成草除灵酯方法。
10.The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.
主体风味成分是己酯、苯醇、辛和辛酯。
11.Isobornyl ethyl ether was prepared by the catalytic ethoxylation of camphene with ethyl alcohol in the presence of cation exchange resin fixed bed.
莰烯在阳离子交换树脂固定床催化下与醇反应生成菠醚。
12.Keto-enol tautomerizing of ethyl acetoacetate was studied by UV.It was conformed that the content of enol ethyl acetoacetate decreased with the increasing polarity of solvents.