By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环
甲


的合成反应中,通过相转移催化剂提高了反应收率。

基
醇
醚By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环
甲


的合成反应中,通过相转移催化剂提高了反应收率。
The isopropyl chloracetate was synthesized by esterification of chloracetic acid with isopropyl alcohol using aluminium phosphotungstate as catalyst.
以氯
和
醇为原料,磷钨
铝作催化剂进行
化反应,合成氯



。
The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

了不同条件对
基黄药合成
基黄原
甲

的影响。
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的发展,包括磺化碱熔法、
萘法、水解法、四氢化萘法。
Isopropyl cinnamylate was synthesized by the esterifiestion of isopropyl alcohol with cinnamic acid in the presence of potassium bisulfate monohydrate.
用硫
氢钾催化肉桂
与
醇的
化反应,合成了肉桂


。
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
醇为溶剂,壬醇为内标,采用气相色谱-质谱法分析了卷烟烟气总粒相物中的游离
,
测定结果的相对标准偏差小于1%,平均回收率为99。
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