Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1985-09-23
1989-02-14
Evans, J. E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
2605025D, C07F 938
Patent
active
048044997
ABSTRACT:
A process for the preparation of an N-substituted aminomethylphosphonic acid comprising reacting a 2,5-diketopiperazine compound with phosphorous acid and formaldehyde in an acidic medium.
REFERENCES:
patent: 3288846 (1966-11-01), Irani
patent: 3567768 (1971-03-01), Shen
patent: 3927080 (1975-12-01), Gaertner
patent: 4009204 (1977-02-01), Krueger et al.
patent: 4065491 (1977-12-01), Pfiegel et al.
patent: 4140791 (1979-02-01), Chen
patent: 4237065 (1980-12-01), Ehrat
patent: 4400330 (1983-08-01), Wong et al.
patent: 4442041 (1984-04-01), Subramanian
patent: 4578224 (1986-03-01), Bayer et al.
Wagner et al, "Synthetic Organic Chemistry" (1953), pp. 678 and 679.
Sut et al, "N-Monoalkylation of Some 2-Oxo and 2,5-Diketopiperazines", Chimie Therapeutique, 4(3), 167-173 (1969).
Okawara et al, "Convenient Syntheses of Piperazines-2,5-Diones and Lactams from Halocarboxamides Using Phase Transfer Catalysts", Chemistry Letters, 1981, pp. 185-188.
Cavicchioni et al, "Base-promoted Reactions of .alpha.-Halogenoalkylanilides", J. Chem. Soc. Perkin Trans. I, pp. 2969-2972 (1982).
Miller William H.
Pulwer Mitchell J.
Reitz David B.
Evans J. E.
Monsanto Company
Shearin Frank D.
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