A stereoselective synthesis of unsaturated phosphonates by Wittig-Horner reactions of bisphosphonylmethane with 5-aryl-(3-methyl)-2E, 4E-pentadienals

DQ Shi, RY Chen

Index: Shi, De Qing; Chen, Ru Yu Phosphorus, Sulfur and Silicon and Related Elements, 2000 , vol. 164, p. 229 - 237

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Citation Number: 2

Abstract

Abstract A new type of unsaturated phosphonates 5 were synthesized by the Wittig-Homer reactions of bisphosphonylmethane 4 with 5-aryl-2 (E), 4 (E)-pentadienal and 5-aryl-3- methyl-2 (E), 4 (E)-pentadienal. The structures of all new compounds prepared were characterized by 1H NMR, 31P NMR, 13C NMR, IR spectra, MS and elemental analyses, one of them was determined by X-ray diffraction analysis.

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