Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.
目的研究以庚醛和甲酸三乙料制备庚醛二乙缩醛的艺条件。
Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.
目的研究以庚醛和甲酸三乙料制备庚醛二乙缩醛的艺条件。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄基三乙基氯)相转移催剂合成了异烟酸乙。
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