Tetrahedron

5 (4H)-oxazolones. Part XIII. A new synthesis of 4-ylidene-5 (4H)-oxazolones by the Stille reaction

EM Beccalli, F Clerici, ML Gelmi

Index: Beccalli, Egle Maria; Clerici, Francesca; Gelmi, Maria Luisa Tetrahedron, 1999 , vol. 55, # 3 p. 781 - 786

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Citation Number: 24

Abstract

4-Chloromethylene-2-phenyl-5 (4H)-oxazolone 1 was used as the starting material for the preparation of a series of 4-ylideneoxazolones 3 by the Stille reaction. When compound 1 was reacted with organostannanes 2 in the presence of the palladium catalyst, oxazolones 3 were obtained in good yields in mild reaction conditions.

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