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一种顺式二溴菊酸的制备方法

open access: yes, 1999
一种顺式二溴菊酸的制备方法是以3,3-二甲基-2-(1′-羟基-2′,2′,2′-三溴乙基)-环丙烷-1-羧酸内酯在Zn/醋酸体系下发生消除反应来制取,消除反应是在有机溶剂中加入Zn/醋酸,于20~30℃下进行,Zn反应物的摩尔比为1~5∶1,反应所用的有机溶剂可采用四氢呋喃、二氧六环或乙二醇二甲醚,溶剂使用重量为反应物的2~10倍。该方法突出的优点是Zn粉消耗少,反应安全,污染小,有利于工业应用 ...
江万义   +4 more
core  

[Research progress in liver cancer in 2025]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Miao TG, Nan YM.
europepmc   +1 more source

[A case of neonatal fatty acid oxidation disorder]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Deng LL   +4 more
europepmc   +1 more source

[Chlorhexidine and Polident Induce the Formation of <i>Candida albicans</i> Persistence]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Lin Y   +5 more
europepmc   +1 more source

[Hypolipidemic activity of phenolic acids from <i>Inula japonica</i> Thunb.] [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Chen Y   +5 more
europepmc   +1 more source

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