Selective synthesis of (Z)-4-aryl-5-[1-(aryl) methylidene]-3-bromo-2 (5H)-furanones
F Bellina, C Anselmi, S Viel, L Mannina, R Rossi
Index: Bellina, Fabio; Anselmi, Chiara; Viel, Stephane; Mannina, Luisa; Rossi, Renzo Tetrahedron, 2001 , vol. 57, # 50 p. 9997 - 10007
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Citation Number: 72
Abstract
4-Aryl-3-bromo-2 (5H)-furanones have been selectively synthesized in satisfactory yields by treatment of easily available 3, 4-dibromo-2 (5H)-furanone either with arylboronic acids in the presence of Ag2O and a catalytic amount of PdCl2 (MeCN) 2 or with aryl (trialkyl) stannanes in the presence of a catalyst precursor consisting of AsPh3 and a Pd (II) or a Pd (0) compound. These monobromo derivatives have been then used as precursors to a ...
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