How is [(3S)-1-Benzyl-3-pyrrolidinyl]methanol (CAS: 78914-69-9) typically synthesized?

[(3S)-1-Benzyl-3-pyrrolidinyl]methanol can be synthesized via a multi-step process involving the reaction of benzylamine with pyrrolidone, followed by methylation. Commonly, this involves the use of a phase transfer catalyst such as tetrabutylammonium bromide to facilitate the reaction. The overall yield is moderate, and the product can be isolated by recrystallization from an appropriate solvent. Care should be taken to ensure the reaction conditions are optimal for selectivity and yield.