Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...
Patent
1984-11-07
1986-05-20
Raymond, Richard L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Phosphorus containing other than solely as part of an...
514 92, 548111, A01N 5732, C07F 965
Patent
active
045901821
ABSTRACT:
An organophosphorus compound represented by the general formula: ##STR1## where each of X.sub.1 and X.sub.3 is a hydrogen atom; an alkyl or alkoxy group which may be substituted by halogen, alkoxy, alkylthio, phenoxy, halogenated phenoxy, phenylthio or halogenated phenylthio; a carboxyl group; an alkoxycarbonyl group; or a phenyl group which may be substituted by halogen, each of X.sub.2 and X.sub.4 is a hydrogen atom or an alkyl group, provided that X.sub.2 and X.sub.3 may together form an alkylene group, each of Y.sub.1, Y.sub.2 and Z is an oxygen atom or a sulfur atom, and each of R.sub.1 and R.sub.2 is an alkyl group.
REFERENCES:
patent: 2843586 (1958-07-01), Melamed
patent: 3661926 (1972-05-01), Van Den Bos et al.
Chemical Abstracts, vol. 73, No. 1, Jul. 6, 1970, p. 332, 3867f, Columbus Ohio, L. Levkova et al.; "Preparation of N-Phosphorylated 2-Oxo-1, 3-Oxazolidines and 6-Methyl-2-Oxo-1, 3-Tetrahydrooxazine".
Haga Takahiro
Imai Osamu
Koyanagi Toru
Okada Hiroshi
Toki Tadaaki
Ishihara Sangyo Kaisha Ltd.
Raymond Richard L.
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