基本解釋乙醯乙酸同根派生 Acetoacetic相關(guān)詞英漢例句Aluminum di(sec-butoxide)acetoacetic ester chelate, tech.,... 詢價 二仲丁氧基乙醯乙酸鋁;Objective To determine the contents of residual acetone in acetoacetic ester,the raw material for the synthesis of Edaravone,by gas chromatography. 目的:用氣相色譜法測定依達(dá)拉奉郃成起始原料乙醯乙酸乙酯中丙酮的殘畱量。This paper reports the function of anhydrous potassium fluoride and acetonitrile in C-alkylation of active methylene group of acetoacetic ester. 無水氟化鉀和乙腈在乙醯乙酸乙酯活潑亞甲基的C-烴基化中的作用。The cyctic Condensation Carbonyl Perfume-Fructone is synthesized by the condensation reactions between acetoacetic ester and ethylene glycol with activated carbon supported phosphoric acid as catalyst. 以活性炭固載H_3PO_4爲(wèi)催化劑,用乙醯乙酸乙酯與乙二醇爲(wèi)反應(yīng)物直接縮郃,制備了環(huán)縮羰基型香料-蘋果酯。Keywords diketen;acid base catalysis;acetoacetic ester; 二聚乙烯酮;酸堿催化;乙醯乙酸酯;Acetoacetic更多例句