Preparation of phosphonic esters

Details Preparation of phosphonic esters Preparation of phosphonic esters

1995-07-27

1997-10-21

Shah, Mukund J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07F 906

Patent

active

056798040

ABSTRACT:
Phosphonic esters I ##STR1## (A is an aromatic radical or an .alpha., .beta.-olefinically unsaturated group and R.sup.1 is C.sub.1 -C.sub.4 -alkyl or phenyl) are prepared by subjecting a phosphite II ##STR2## to a rearrangement reaction in the presence of a catalytic amount of a halide ion-donating compound to give I. The compounds I are used as intermediates for organic syntheses, in particular for the synthesis of polyenes.

REFERENCES:
patent: 3855360 (1974-12-01), Shim
patent: 4633005 (1986-12-01), Nalewajek et al.
patent: 5142084 (1992-08-01), Carter et al.
patent: 5145972 (1992-09-01), Chabardes
patent: 5177238 (1993-01-01), Carter et al.
J. Org. Chem., vol. 304, 1986, pp. 239-243.
Lu et al., Synthesis, No. 7, pp. 563-564.
Chem. Abst., vol. 123, No. 7, Aug. 14, 1995, Abst. No. 083728.
Duhamel et al., Tetrahedron Letters, vol. 31, No. 22, pp. 3129-3132, 1990.
Michaelis et al., Ber., vol. 31, 1898, pp. 1048.

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