The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.
考察了不同条件对异基黄药合成异
基黄原酸甲酸乙酯
影响。
The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.
考察了不同条件对异基黄药合成异
基黄原酸甲酸乙酯
影响。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环甲酸异
酯
合成
,通过相转移催化剂提高了
率。
Isopropyl cinnamylate was synthesized by the esterifiestion of isopropyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate.
用硫酸氢钾催化肉桂酸与异酯化
,合成了肉桂酸异
酯。
The recent developments in conventional synthesis of naphthol are summarized, including sulfonation alkali-fusion, via isopropyl naphthalene, hydrolysis, via tetrahydronaphthalene.
摘要简述了近年来一元萘酚传统合成技术发展,包括磺化碱熔法、异
萘法、水解法、四氢化萘法。
The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以异为溶剂,壬
为内标,采用气相色谱-质谱法分析了卷烟烟气总粒相物
游离乙酸,乙酸测定结果
相对标准偏差小于1%,平均回
率为99。
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