(Solved): Lactones are cyclic esters and are very versatile synthetic starting materials. Ring opening of lac ...

Lactones are cyclic esters and are very versatile synthetic starting materials. Ring opening of lactones can afford products with multiple functional groups. For example, treatment of a lactone with a Grignard would yield the following: Liebigs Annalen der Chemie, 1988, 827. 1. Give an IUPAC name for the product of the reaction above. 2. Show the full mechanism for the transformation above.