Alkenylphosphonic ester and preparation process thereof

Details Alkenylphosphonic ester and preparation process thereof Alkenylphosphonic ester and preparation process thereof

2005-09-27

2005-09-27

Shameem, Golam M M (Department: 1626)

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

Organic compounds

Phosphorus esters

C558S073000, C558S089000, C558S117000

Reexamination Certificate

active

06949667

ABSTRACT:
Novel alkenylphosphonic acid esters of the following general formula (I):in-line-formulae description="In-line Formulae" end="lead"?R1CH═CR2[P(O)(OCR3R4CR5R6O)]  (I)in-line-formulae description="In-line Formulae" end="tail"?and a simple process for the preparation thereof are provided by the use of secondary cyclic phosphonic acid esters as the starting material.

REFERENCES:
patent: 3629367 (1971-12-01), DeMott et al.
patent: 5109033 (1992-04-01), Grey et al.
Manouni et al (1989):STN International CAPULS database (Columbus, Ohio), Accession No. 1990: 77355.
Li-Biao Han and Masato Tanaka (1996): J. Am. Chem. Soc. vol. 118, pp. 1571-1572.
Chemical Abstracts, 64:15916b.
Phosphorous and Sulfur, 1983, vol. 16, pp. 345-360 (1983).
Ogranometallics 2000, 19, 4196-4196.
Phosphorus and Sulfur, 1983, vol. 16, pp. 345-360, Kutyrev et al.

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