Tetrahedron letters

A convenient synthesis of dihydro-and tetrahydro-1, 3-thiazine derivatives from β-aryl-β-amino acids

N Leflemme, P Dallemagne, S Rault

Index: Tetrahedron Letters, , vol. 45, # 7 p. 1503 - 1505

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Citation Number: 17

Abstract

... Tetrahedron Letters. Volume 45, Issue 7, 9 February 2004, Pages 1503–1505. ... Lawesson's reagent 7 was used to convert the amide to the corresponding thioamide in excellent yields and the ester group was cleaved under aqueous alkaline conditions to afford derivatives 6a–c. ...