How is 3-Fluorophenylalanine (CAS: 19883-77-3) typically synthesized?

3-Fluorophenylalanine is typically synthesized via protecting group strategies, such as introducing a leaving group like a chloromethyl or tosyl group onto benzene. Common methods involve the use of fluorination of benzyl or bromophenylalanine derivatives, followed by deprotection with acids or bases. Specific synthetic routes can vary based on the desired product and scale of production.