How Vinyl, Allyl and Homoallyl Describe the Position of an Alkene Relative to Another Functional Group

Summary:

Certain functional groups such as alkenes and phenyl groups or alkenes and hydroxyl groups can have their locations relative to each other sometimes described as vinyl or vinylic if directly attached. The terms allyl or allylic are used if the groups are attached through one carbon and homoallylic if attached through two carbons.

Key Words:

Vinyl, Vinylic, Allyl, Allylic, Homomallylic