Preparation of cinnamate esters from styrenes

摘要

Cinnamic acids and their derivatives are important in the flavors, perfumes, cosmetics, graphics, and pharma- ceutical industries. 2-Ethylhexyl 4-methoxycinnamate (1) is a UV absorbing sunscreen agent and is a common ingredient in most of the new sunscreen lotions and many other cosmetic formulations. The Perkin reactions in one of the most common synthetic procedures to produce cinnamic acids.