KnowraCinnamic acidLinked fromLinked fromThe 3 pages that link to Cinnamic acid, each with the reason it gives.All 3Broader topic 2Related 1CinnamaldehydeBroader topic: This is the characteristic product when cinnamaldehyde’s aldehyde group is oxidized.CoumarinRelated: Coumarin can form through cyclization of ortho-hydroxycinnamic acid, a derivative of cinnamic acid.PhenylpropanoidBroader topic: This product of the pathway’s entry reaction provides the core carbon framework for many phenylpropanoids.