N-(2-Chloro-4-pyridyl) ureas

Details N-(2-Chloro-4-pyridyl) ureas N-(2-Chloro-4-pyridyl) ureas

1981-09-25

1984-04-10

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 74, 71 76, 71 92, 546265, 546305, 546306, A01N 922, C07D40112, C07D21346, C07D21352

Patent

active

RE0315508

ABSTRACT:
N-(2-Chloro-4-pyridyl)ureas represented by the formula (I): ##STR1## wherein R.sub.1 represents hydrogen or alkyl, R.sub.2 represents an aromatic group, especially phenyl, which may be substituted by alkyl, alkoxyl, hydroxyl or halogen, and X is oxygen or sulfur, and acid addition salts thereof, useful as plant growth regulators, are disclosed. Method of making and using same and agricultural compositions thereof are also disclosed.

REFERENCES:
patent: 3330641 (1967-07-01), Woods et al.
patent: 3335142 (1967-08-01), Hardy et al.
patent: 3426031 (1969-02-01), Fischback
patent: 3682934 (1972-08-01), Martin et al.
patent: 3687959 (1972-08-01), Zielinski
patent: 3705170 (1972-12-01), Torba
patent: 3992391 (1976-11-01), Uno et al.
patent: 4149872 (1979-04-01), Pilgram
Deutsche Gold et al., "Substituted Pyridylureas." (1965), CA 65, pp. 15340-15341 (1966).
Lesiak et al., "New Derivatives of Urea", (1971), CA 76, No. 113031v, (1972), Also Orig. Publication.
Buu-Hoi et al., "New N,N'-Disubstituted, etc.;" (1958) J. Chem. Soc. pp. 2815-2821.

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