Acetoacetic

常見例句

• Aluminum di(sec-butoxide)acetoacetic ester chelate, tech.,...
  詢價(jià) 二仲丁氧基乙酰乙酸鋁；
• 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(cè)定依達(dá)拉奉合成起始原料乙酰乙酸乙酯中丙酮的殘留量。
• 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酰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為催化劑,用乙酰乙酸乙酯與乙二醇為反應(yīng)物直接縮合,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;乙酰乙酸酯;
• Keywords polyarylate;acetoacetic acid group;acetylizing;
  聚丙烯酸酯;乙酰乙酸基團(tuán);乙?；?
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