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词汇 diazo compound
释义

Definition of diazo compound in English:

diazo compound

noun
Chemistry
  • An organic compound containing two nitrogen atoms bonded together, especially a diazonium compound.

    〔化〕重氮化合物

    Example sentencesExamples
    • Table I gives yields of diazo compounds produced by this vacuum pyrolysis method.
    • Using naphthol phosphates as the substrate, these enzymes split off the phosphate, leaving the naphthol, which then couples to the diazo compound to form an insoluble dye at the site of activity.
    • The nitromonoazo compounds of the formula are obtained by diazotising 2-amino - 5-nitroanisole and coupling the diazo compound to a naphtholsulfonic acid.
    • When the aqueous solution containing the diazo compound is heated, the latter is converted into a phenol.
    • The color is from the diazo group - a lot of small diazo compounds have it, or so I hear.

Origin

Late 19th century: diazo from diazonium.

Definition of diazo compound in US English:

diazo compound

noun
Chemistry
  • An organic compound containing two nitrogen atoms bonded together, especially a diazonium compound.

    〔化〕重氮化合物

    Example sentencesExamples
    • The nitromonoazo compounds of the formula are obtained by diazotising 2-amino - 5-nitroanisole and coupling the diazo compound to a naphtholsulfonic acid.
    • The color is from the diazo group - a lot of small diazo compounds have it, or so I hear.
    • When the aqueous solution containing the diazo compound is heated, the latter is converted into a phenol.
    • Using naphthol phosphates as the substrate, these enzymes split off the phosphate, leaving the naphthol, which then couples to the diazo compound to form an insoluble dye at the site of activity.
    • Table I gives yields of diazo compounds produced by this vacuum pyrolysis method.

Origin

Late 19th century: diazo from diazonium.

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