Tetrahedron Letters p. 2975 - 2977 (1995)
Update date:2022-08-17
Topics:
Estieu, Karine
(2-Cyclopropylideneethyl) acetimidates underwent thermally induced or palladium (II) catalyzed azaClaisen rearrangement into 1-ethenylcyclopropyl acetamides, providing convenient precursors to 1-amino cyclopropanecarboxylic acids (ACCs). Due to the regioselectivity of the nucleophilic substitution of the π 1,1-dimethylene allyl palladium complexes by soft nucleophiles, the palladium (0) catalysis was apparently non effective.
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