释义 |
Acetoacetic 基本例句 乙酰乙酸¹⁰⁰ Aluminum diacetoacetic ester chelate, tech.,…询价 二仲丁氧基乙酰乙酸铝; Objective To determine the contents of residual acetone inacetoaceticester,the raw material for the synthesis of Edaravone,by gas chromatography.目的:用气相色谱法测定依达拉奉合成起始原料乙酰乙酸乙酯中丙酮的残留量。 This paper reports the function of anhydrous potassium fluoride and acetonitrile in C-alkylation of active methylene group ofacetoaceticester.无水氟化钾和乙腈在乙酰乙酸乙酯活泼亚甲基的C-烃基化中的作用。 The cyctic Condensation Carbonyl Perfume-Fructone is synthesized by the condensation reactions betweenacetoaceticester and ethylene glycol with activated carbon supported phosphoric acid as catalyst.以活性炭固载H_3PO_4为催化剂,用乙酰乙酸乙酯与乙二醇为反应物直接缩合,制备了环缩羰基型香料-苹果酯。 Keywords diketen;acid base catalysis;acetoaceticester;二聚乙烯酮;酸碱催化;乙酰乙酸酯; Keywords polyarylate;acetoaceticacid group;acetylizing;聚丙烯酸酯;乙酰乙酸基团;乙酰化; |