Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄基三乙基氯化铵)为相转移催化

了异烟酸乙酯。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄基三乙基氯化铵)为相转移催化

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、碳酸氢铵反应得到碳酸氢钠微溶

氯化铵溶液,过滤。
The ammonium chloride is obtained by processing the by-product solution of ammonium chloride in the workshop of coordinative producing alcali.
副产的氯化铵溶液在联碱车间加工
氯化铵、工艺
理经济划算。
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