Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus acids or salts thereof
Patent
1994-03-24
1995-11-28
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus acids or salts thereof
562 17, C07F 938
Patent
active
054710006
ABSTRACT:
A process for the manufacture of aminomethanephosphonic acid comprises:
REFERENCES:
patent: 2304156 (1942-12-01), Engelmann et al.
patent: 4044006 (1977-08-01), Weil
patent: 4094928 (1978-06-01), Gaertner
patent: 4221583 (1980-09-01), Gaertner et al.
Kudzin et al., Synthesis, No. 6, p. 469 (1978).
CA 109:149803r, vol. 109 (1988).
Huber, John W., III, "Synthesis of Aminoalkanephosphonic Acids from Ureidoalkanephosphates", Synthesis (Communications), 1977, pp. 883-884.
Kudzin, Z. H. et al., "Synthesis of 1-Aimoalkanephosphonates via Thioureidoalkanephosphonates", Synthesis (Communications), 1978, pp. 469-472.
LeGras Paul G.
Randles Kenneth R.
Ackerman Joel G.
Dees Jos,e G.
Frazier Barbara S.
Zeneca Limited
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