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

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

1978-10-02

1980-03-18

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

041937880

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).

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