One of the mysteries of the English language finally explained.
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.
- ‘The cyclopentadienes are prepared by reaction with hydrocarbylating agents or alcohols.’
- ‘Sodium methylate and then cyclopentadiene are added, and ferrocene ultimately precipitates out of the solution.’
- ‘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.’
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