Phase-transfer catalysis using chiral catalysts. Synthesis of optically active 2-phthalimido-esters

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Abstract
Reaction between (±)-2-bromoalkanoates and potassium phthalimide, under solid–liquid phase-transfer conditions, using either (–)-1-benzylcinchonidium chloride or (+)-1-benzylcinchoninium chloride as chiral phase-transfer catalysts, gives optically active 2-phthalimido-esters.