Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.
目的研究以庚醛和原甲酸酯为原料制备庚醛二缩醛的艺条件。
Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.
目的研究以庚醛和原甲酸酯为原料制备庚醛二缩醛的艺条件。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄基基氯化铵)为相转移催化剂合了异烟酸酯。
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