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词汇 benzoyl
释义

Definition of benzoyl in English:

benzoyl

nounˈbɛnzəʊɪlˈbɛnzəʊʌɪlˈbɛnzoʊwəl
Chemistry
  • as modifier Of or denoting the acyl radical —C(O)C₆H₅, derived from benzoic acid.

    〔化〕苯(甲)酰

    benzoyl peroxide

    过氧化苯甲酰。

    Example sentencesExamples
    • The half-life of ecgonine methyl ester is four hours and benzoyl ecgonine is about 6 hours.
    • The screening test for cocaine detects benzoyl ecgonine, the major metabolite of cocaine.
    • The final tests have shown that in various samples of prepared aconite, the aconine and benzoyl aconine were 1/2000 or 1/250 that of aconitine respectively.
    • No indication was given of what the others were, but in 1899 Heinrich Dreser, head of the experimental pharmacology laboratory at Elberfeld, named them in a paper as propionyl, butyryl, valeryl, and benzoyl salicylic acids.
    • The second, with a Î’ max at 267 nm, corresponds to the benzoyl group of the diketone form.

Definition of benzoyl in US English:

benzoyl

nounˈbɛnzoʊwəlˈbenzōwəl
Chemistry
  • as modifier The acyl radical —C(O)C₆H₅, derived from benzoic acid.

    〔化〕苯(甲)酰

    benzoyl peroxide

    过氧化苯甲酰。

    Example sentencesExamples
    • The screening test for cocaine detects benzoyl ecgonine, the major metabolite of cocaine.
    • The half-life of ecgonine methyl ester is four hours and benzoyl ecgonine is about 6 hours.
    • No indication was given of what the others were, but in 1899 Heinrich Dreser, head of the experimental pharmacology laboratory at Elberfeld, named them in a paper as propionyl, butyryl, valeryl, and benzoyl salicylic acids.
    • The second, with a Î’ max at 267 nm, corresponds to the benzoyl group of the diketone form.
    • The final tests have shown that in various samples of prepared aconite, the aconine and benzoyl aconine were 1/2000 or 1/250 that of aconitine respectively.
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