Synthesis of 4-fluoro-β-(4-fluorophenyl)-L-phenylalanine by an asymmetric phase-transfer catalyzed alkylation: synthesis on scale and catalyst stability

DE Patterson, S Xie, LA Jones…

Index: Organic Process Research and Development, , vol. 11, # 3 p. 624 - 627

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Citation Number: 30

Abstract

... Chemical Development, GlaxoSmithKline, Five Moore Drive, PO Box 13398, Research Triangle Park ... Org. Process Res. ... The organic solution was concentrated at atmospheric pressure to 10 L. The reactor was then charged with 23% ethyl acetate in heptane (9.1 L) and was ...