How is (3s,5s,7s)-1-(2-Bromoethyl)adamantane (CAS: 773-37-5) typically synthesized?

(3s,5s,7s)-1-(2-Bromoethyl)adamantane can be synthesized via a multistep process involving the bromination of adamantane followed by the introduction of an ethyl group. The synthesis typically requires a brominating agent like N-bromosuccinimide (NBS) and a radical initiator. The yield is moderate, and the method involves careful control of reaction conditions to achieve the desired stereochemistry.