Definition of cyclopentadiene in English:

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cyclopentadiene

Pronunciation: /ˌsīkləˌpentəˈdīēn/ /ˌsiklə-/

Entry from US English dictionary

noun

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 sentences
  • 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.

For editors and proofreaders

Syllabification: cy·clo·pen·ta·di·ene

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