Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus acids or salts thereof
Patent
1994-12-14
1996-12-03
Evans, Joseph E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus acids or salts thereof
423437R, C07F 938
Patent
active
RE0353892
ABSTRACT:
A process for the preparation of N-phosphonomethylglycine by reaction of aminomethanephosphonic acid and glyoxylic acid in the molar ratio 1:2 in aqueous medium.
REFERENCES:
patent: 3103473 (1963-09-01), Juda
patent: 3288846 (1966-11-01), Irani et al.
patent: 3361653 (1968-01-01), Miller
patent: 3799758 (1974-03-01), Franz
patent: 3907652 (1975-09-01), Wagenknecht et al.
patent: 3927080 (1975-12-01), Gaertner
patent: 3969398 (1976-07-01), Hershman
patent: 4062669 (1977-12-01), Franz
patent: 4065491 (1977-12-01), Pfliegel et al.
patent: 4094928 (1978-06-01), Gaertner
patent: 4160779 (1979-07-01), Maier
patent: 4237065 (1980-12-01), Ehrat
patent: 4348332 (1982-09-01), Oediger
patent: 4369142 (1983-01-01), Moser
patent: 4486358 (1984-12-01), Moser
patent: 4568432 (1986-02-01), Rogers
Wagner et al, "Synthetic Organic Chemistry" (1953) pp. 660 and 661.
Kihlberg et al., Acta. Chemica Scandinavica B 37 (1983), pp. 991-916.
Kagaku Daijten (Encyclopedia Chemica), vol. 3, Kyoritsu Schuppan (1960), pp. 86-87 with translation.
Saubestre, Proc. Amer. Electroplater's Soc., vol. 42 (1959), pp. 264-276.
Gaylord, "Reduction With Complex Metal Hydrides" (1956), pp. 789, 790, and 806.
Ikutani, "Studies of the N-Oxides of N,N-Dialkylamino Acids", II The Synthesis Society of Japan, 42, pp. 2330-2332 (1969).
Bowman, "N-Substituted Amino-Acids, Part II, The Reduction Alkylation of Amino-Acids", Journal of The Chemical Society, Part 2, p. 1346 (1950).
Wagenknecht, "An Electrochemical Method For The Preparation of Iminodimethylenediphosphonic Acid", Syn. React. Inorg. Metal-Org. Chem., 4, (6), 567-572 (1974).
Yanagawa, "Novel Formation of .alpha.-Amino Acids and Their Derivatives From Oxo Acids and Ammonia in an Aqueous Medium", J. Biochem. 91 2087-2090 (1982).
Evans Joseph E.
Hoechst Aktiengesellschaft
LandOfFree
Process for the preparation of N-phosphonomethylglycine does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the preparation of N-phosphonomethylglycine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of N-phosphonomethylglycine will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-776759