Process for the preparation of 4-phosphinyl-3-keto-carboxylate a

Details Process for the preparation of 4-phosphinyl-3-keto-carboxylate a Process for the preparation of 4-phosphinyl-3-keto-carboxylate a

1992-12-07

1994-03-29

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548414, C07F 702, C07F 902

Patent

active

052986250

ABSTRACT:
A process for the preparation of compounds of formula ##STR1## or salt thereof where R.sub.1 is --X--Z and X is --C.tbd.C--,

REFERENCES:
T. Azuhata et al., "Synthesis of Diethyl 2-(Trimethylsiloxy)alkanephosphonates from Epoxides and Diethyl Trimethylsilyl Phosphite", Communications, 1983; 916-917.
S. Racha et al., "A Facile Synthesis of .beta.-and .gamma.-Hydroxyphosphonate Esters From Epoxides", Tet. Lett., 1992; 33:5491-5494.
T. Azuhata et al., "Synthesis of Dialkyl 2-(Dialkoxyphosphoinyloxy)alkanephosphonates", Communications, 1984:417-418.
M. Baboulene et al., "Reactive de Phosphites Sodes, en Milieu Alcoolique, Vis-a-vis D'Oxiranes. Synthese de Phosphonates Fonctionnels", Phosphorus and Sulfur, 1797; 1:101-107.
P. N. Guivisdalsky et al., "Glycidyl Derivatives as Chiral C.sub.3 Synthons. Ring Opening Catalyzed by BF.sub.3 Etherate", J. Am. Chem. Soc, 1989; 111(8):3077-3079.
V. Sawitsch, "Ueber einige vom Aethylen sich ableitende Vervindungen", Justus Liebig's Annalen Der Chemie, 119, (1861), pp. 182-185.
G. Eglinton et al., "The Coupling of Acetylenic Compounds", Advan. Org. Chem., 4, (1963), pp. 225-328.

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