2008

Amino acidsU 0400 Highly Efficient Polymer-Supported Phase-Transfer Catalysts Containing Hy-

drogen Bond Inducing Functional Groups. — Among 4 derivatives tested, PSA is found to be the best one for the asymmetric alkylation of (I). The catalyst can be recy-cled for at least 5 times without loss of activity. — (SHI, Q.; LEE, Y.-J.; KIM, M.-J.; PARK, M.-K.; LEE, K.; SONG, H.; CHENG, M.; JEONG, B.-S.; PARK, H.-G.; JEW*, S.-S.; Tetrahedron Lett. 49 (2008) 8, 1380-1383; Res. Inst. Pharm. Sci., Coll. Pharm., Seoul Natl. Univ., Kwanak, Seoul 151-742, S. Korea; Eng.) — Y. Steudel

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