.alpha.-Amino phosphonic acids

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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546 21, C07F 938

Patent

active

042358094

ABSTRACT:
This invention relates to the preparation of .alpha.-amino phosphonic acids by the direct addition of phosphorous acid to imines.

REFERENCES:
patent: 2635112 (1953-04-01), Fields
patent: 2847442 (1958-08-01), Sallmann
patent: 3288846 (1966-11-01), Irani et al.
patent: 3424788 (1969-01-01), Guttmann et al.
patent: 3549728 (1970-12-01), Balde et al.
Frank, "Chem. Rev. ", vol. 1, No. 4 (Aug. 1961), pp. 389-394.
The Merck Index, 6th ed. (1952), pp. 624, 625, R5356M524.

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