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单词 malonic ester
释义

Definition of malonic ester in English:

malonic ester

noun
Chemistry

  • The diethyl ester, CH₂(COOC₂H₅)₂, of malonic acid, which is a liquid widely used in synthesis, as of carboxylic acids RR′C(COOH)₂ or RR′CHCOOH by alkylation with alkyl halides ("malonic ester synthesis").

Origin

Late 19th century; earliest use found in Chemical News.

Definition of malonic ester in US English:

malonic ester

noun
Chemistry

  • The diethyl ester, CH₂(COOC₂H₅)₂, of malonic acid, which is a liquid widely used in synthesis, as of carboxylic acids RR′C(COOH)₂ or RR′CHCOOH by alkylation with alkyl halides ("malonic ester synthesis").

Origin

Late 19th century; earliest use found in Chemical News.
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更新时间：2025/7/5 16:34:52