6.In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.
扁桃酸是合成扁桃酸系列药的重要中间体。
7.Tripropylene glycol methyl ethyl ether;
名称 三丙二醇基甲基基醚;
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,采用酰氯代替酸作为原料,不使用任何催剂,不加热,常温反应来合成酸。
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、硫氰酸铵、硫酰氯、亚硝酸钠和氯酸为主要原料合成草除灵的方法。
10.The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.
主体风味成分是己酸、苯醇、辛酸和辛酸。
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下与醇反应生成菠基醚。
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.
;
的，
;
酸
。
荃,
基
]丙烯酸
丁烯酸
酸
的重要中间体。
