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词汇 barbituric acid
释义

Definition of barbituric acid in English:

barbituric acid

nounˌbɑːbɪˌtʃʊərɪk ˈasɪdˌbɑːbɪˌtjʊərɪk ˈasɪdˌbɑrbəˌtʃʊrɪk ˈæsəd
mass nounChemistry
  • A synthetic organic acid from which the barbiturates are derived.

    〔化〕巴比土酸;丙二酰脲

    A cyclic derivative of urea and malonic acid; chemical formula: C₄H₄O₃N₂

    Example sentencesExamples
    • Galvan and Pitones used barbituric acid to cover up the smell of the drugs, a procedure that does not work, Piazza said.
    • Major structural moieties including nitrogen containing heterocycles, such as barbituric acid, pyridine, and quinoline to name a few are incorporated into our products to direct biological activity.
    • Any other salts or derivatives of barbituric acid or compounds, preparations or mixtures thereof will be considered to be a put of this list.
    • The micro reaction tube assay will quantitate as little as 10 @mg of barbituric acid through interpolation with controls containing a known amount of analyte.
    • Barbiturates are derived from barbituric acid, an alkaloid with nitrogen-containing rings.

Origin

Mid 19th century: from French barbiturique, from German Barbitursäure, from the given name Barbara + Säure 'acid'.

Definition of barbituric acid in US English:

barbituric acid

nounˌbärbəˌCHo͝orik ˈasədˌbɑrbəˌtʃʊrɪk ˈæsəd
Chemistry
  • A synthetic organic acid from which the barbiturates are derived.

    〔化〕巴比土酸;丙二酰脲

    A cyclic derivative of urea and malonic acid; chemical formula: C₄H₄O₃N₂

    Example sentencesExamples
    • Galvan and Pitones used barbituric acid to cover up the smell of the drugs, a procedure that does not work, Piazza said.
    • The micro reaction tube assay will quantitate as little as 10 @mg of barbituric acid through interpolation with controls containing a known amount of analyte.
    • Any other salts or derivatives of barbituric acid or compounds, preparations or mixtures thereof will be considered to be a put of this list.
    • Barbiturates are derived from barbituric acid, an alkaloid with nitrogen-containing rings.
    • Major structural moieties including nitrogen containing heterocycles, such as barbituric acid, pyridine, and quinoline to name a few are incorporated into our products to direct biological activity.

Origin

Mid 19th century: from French barbiturique, from German Barbitursäure, from the given name Barbara + Säure ‘acid’.

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