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Journal Articles Tetrahedron: Asymmetry Year : 2007

On the racemisation of aspartic anhydride during its preparation

Abstract

Due to the possible differentiation of both carboxyl groups, N-protected aspartic anhydride is a useful starting material in synthesis. However, most methods published in the literature for its formation lead to partial racemisation, which is generally not mentioned. Herein we report a comparison between the main methods published, with accurate measurements of the enantiomeric purity of this compound.

Dates and versions

hal-02385023 , version 1 (28-11-2019)

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Frédéric Buron, Geoffrey Deguest, Laurent Bischoff, Corinne Fruit, Francis Marsais. On the racemisation of aspartic anhydride during its preparation. Tetrahedron: Asymmetry, 2007, 18 (13), pp.1625-1627. ⟨10.1016/j.tetasy.2007.07.003⟩. ⟨hal-02385023⟩
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