Propenyl

In organic chemistry, 1-propenyl (or simply propenyl) has the formula CH=CHCH₃ and 2-propenyl (isopropenyl) 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.

• 2-chloropropylene
• propenylbenzene (β-methylstyrene).^[1]

Many phenylpropanoids and their derivatives feature derivatives of propenylbenzene:

• Anethole
• Asarone
• Carpacin
• Coniferyl alcohol
• Isoeugenol
• Isosafrole
• Methyl isoeugenol
• Pseudoisoeugenol

Isopropenyl acetate is a 2-propenyl ester, synthesizable from ketene.

Several terpenes feature 2-propenyl substituents:

• carvone
• limonene

• Propene
• Functional group

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