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词汇 cyclopentadiene
释义

Definition of cyclopentadiene in US English:

cyclopentadiene

noun ˌsiklə-ˌsīkləˌpentəˈdīēn
  • A colorless toxic liquid derived from the distillation of coal tar, insoluble in water, soluble in alcohol, and used in the manufacture of insecticides and resins.

    Example sentencesExamples
    • Sodium methylate and then cyclopentadiene are added, and ferrocene ultimately precipitates out of the solution.
    • The cyclopentadienes are prepared by reaction with hydrocarbylating agents or alcohols.
    • Phenyl-substituted cyclopentadienes are proved to form phenylated pyrylium cations in the presence of silver perchlorate by insertion of an oxygen atom into the cyclopentadiene-ring.
    • Nucleophiles can be added, leading to coordinated cyclopentadienes, which may be liberated by oxidation and used in further synthesis.

Definition of cyclopentadiene in US English:

cyclopentadiene

nounˌsīkləˌpentəˈdīēn
  • A colorless toxic liquid derived from the distillation of coal tar, insoluble in water, soluble in alcohol, and used in the manufacture of insecticides and resins.

    Example sentencesExamples
    • Sodium methylate and then cyclopentadiene are added, and ferrocene ultimately precipitates out of the solution.
    • The cyclopentadienes are prepared by reaction with hydrocarbylating agents or alcohols.
    • Nucleophiles can be added, leading to coordinated cyclopentadienes, which may be liberated by oxidation and used in further synthesis.
    • Phenyl-substituted cyclopentadienes are proved to form phenylated pyrylium cations in the presence of silver perchlorate by insertion of an oxygen atom into the cyclopentadiene-ring.
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