Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄基三乙基氯
)
相转移催
剂合成了异烟酸乙酯。
]卤砂,氯

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄基三乙基氯
)
相转移催
剂合成了异烟酸乙酯。
First,brine is reacted with ammonium hydrocarbonate to obtain the sodium hydrocarbonate and the ammonium chloride solution,and then filtrated.
卤水制备纯碱分两步进行,第
步用卤水、碳酸氢
反应得到碳酸氢钠微溶析出和氯
溶液,
。
The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.
产的氯
溶液在联碱车间加工成氯
、工艺合理经济划算。
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