Propenyl


In organic chemistry, 1-propenyl has the formula CH=CHCH3 and 2-propenyl has the formula CH2=C-CH3. These groups are found in many compounds. Propenyl compounds are isomeric with allyl compounds, which have the formula CH2-CH=CH2.
Image:Monolignols general.svg|thumb|200px|The three common precursors to lignin are derivatives of propenylbenzene: paracoumaryl alcohol, coniferyl alcohol and sinapyl alcohol.

Chemicals with 1-propenyl groups

  • 2-chloropropylene
  • propenylbenzene.
Many phenylpropanoids and their derivatives feature derivatives of propenylbenzene:
  • Anethole
  • Asarone
  • Carpacin
  • Coniferyl alcohol
  • Isoeugenol
  • Isosafrole
  • Methyl isoeugenol
  • Pseudoisoeugenol

    Chemicals with 2-propenyl groups

is a 2-propenyl ester, synthesizable from ketene.
Several terpenes feature 2-propenyl substituents:
  • carvone
  • limonene