Preparation of β2??Amino Acid Derivatives (β2hThr, β2hTrp, β2hMet, β2hPro, β2hLys, Pyrrolidine??3??carboxylic Acid) by Using DIOZ as Chiral Auxiliary

F Gessier, L Schaeffer, T Kimmerlin…

Index: Helvetica Chimica Acta, , vol. 88, # 8 p. 2235 - 2249

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Citation Number: 23

Abstract

... The org. phase was washed with 1m HCl (2 Â ), 1m NaOH, and brine, dried (MgSO4), and evaporated. The crude product was purified by FC. Helvetica Chimica Acta ± Vol. 88 (2005) 2241 Page 8. 4. Acylation of the Auxiliary with Mixed Anhydrides. ...