Enantioselective Synthesis of α-Amino Acids. -A dimeric cinchoninium salt is found to be a highly efficient phase-transfer catalyst for enantioselective alkylation of glycine derivative (I). -(LEE, J.-H.; YOO, M.-S.; JUNG, J.-H.; JEW, S.-S.; PARK*, H.-G.; JEONG, B.-S.; Tetrahedron 63 (2007) 33, 7906-7915; Coll. Pharm., Seoul Natl. Univ., Seoul 151-742, S. Korea; Eng.) -Nuesgen 46-164
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