The isopropyl chloracetate was synthesized by esterification of chloracetic acid with isopropyl alcohol using aluminium phosphotungstate as catalyst.
以氯乙酸和异丙
为原料,磷钨酸铝作催化剂进行
化反应,合成氯乙酸异丙
。
The isopropyl chloracetate was synthesized by esterification of chloracetic acid with isopropyl alcohol using aluminium phosphotungstate as catalyst.
以氯乙酸和异丙
为原料,磷钨酸铝作催化剂进行
化反应,合成氯乙酸异丙
。
This paper texted the process to prepare metadoxine from vitamine B6 hydrochloric acid salt ,pyroglutamic acid and isoproanol.
本文以维生素B6氯化氢
、
氨酸和异丙
为原料,固相合成美他多
,纯度达96.3%。
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丙

化反应,合成了肉桂酸异丙
。
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.
以异丙
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中
游离乙酸,乙酸测定结果
相对标准偏差小于1%,平均回收率为99。
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