N-(Unsubstituted or substituted pyridyl)aminomethylene-diphospho

Details N-(Unsubstituted or substituted pyridyl)aminomethylene-diphospho N-(Unsubstituted or substituted pyridyl)aminomethylene-diphospho

1980-07-29

1984-05-08

Mills, Catherine L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

546290, 546292, 546296, 546297, 546307, 546308, 546309, 546310, 546312, A01N 5716, C07D21372

Patent

active

044472560

ABSTRACT:
N-(Unsubstituted or substituted pyridyl)aminomethylene-diphosphonic acids represented by the formula: ##STR1## wherein each of R.sup.1, R.sup.2 and R.sup.3 is independently hydrogen or lower alkyl, and each of X and Y is independently hydrogen, halogen, nitro, acetamino, carboxyl, lower alkyl, methoxycarbonyl, hydroxyl or methoxy,
and salts thereof, have effective herbicidal effects on postemergence of plants and selective inactivity against cotton plants.

REFERENCES:
patent: 3658506 (1972-04-01), Kleiman et al.
patent: 4029696 (1977-06-01), Sommer et al.
patent: 4101654 (1978-07-01), Redmore
patent: 4124371 (1978-11-01), Dixon
Ploger et al., Z. Anorg. Allg. Chem., vol. 389, (1972), pp. 119-128.

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