Synthesis of ethyl iso nicotinate using BTEAC ( benzyl triethyl chloride ) as phase transfer catalyst was studied.
以BTEAC ( 芐基三乙基氯化銨 ) 為相轉移催化劑合成了異煙酸乙酯.
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Triethyl orthoacetate in reaction and determined by gas chromatography with external standard method.
應用氣相色譜法測定制備原乙酸三乙酯反應產物中產品質量.
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Triethyl citrate was synthesized from acid and ethanol using FeCl 3 as catalyst ethanol as dehydrating.
以三氯化鐵為催化劑,乙醇為帶水劑,用檸檬酸和乙醇為原料合成了檸檬酸三乙酯.
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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三乙酯為原料制備庚醛二乙縮醛的工藝條件.
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