Conclusions
The dimethylamide of 3-phenyl-3-chloro-2-ketopropionic acid reacts with Ph3P to give α-(N,N-dimethyloxamoyl)benzyltriphenylphosphonium chloride. In the presence of methanol, this reaction gives dimethyl(phenylpyruvoyl)amide and Ph3PO.
2. The methyl ester of 3-phenyl-3-chloro-2-ketopropionic acid reacts with Ph3P to give methoxycarbonylstyryloxytriphenylphosphonium chloride, which, upon heating in benzene at reflux, gives methyl α-chlorocinnamate and Ph3PO.
Literature cited
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V. A. Mamedov, I. A. Nuretdinov, and F. G. Sibgatullina, Izv. Akad. Nauk SSSR, Ser. Khim., No. 10, 2172 (1988).
J. M. Samrier, R. Danion-Bouget, D. Danion, and R. Carrie, Bull. Soc. Chim., France, 3227 (1976).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1395–1396, June, 1989.
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Mamedov, V.A., Nuretdinov, I.A. & Polushina, V.L. Reaction of the N, N-dimethylamide and methyl ester of 3-phenyl-3-chloro-2-ketopropionic acid with triphenylphosphine. Russ Chem Bull 38, 1276–1277 (1989). https://doi.org/10.1007/BF00957170
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DOI: https://doi.org/10.1007/BF00957170