Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1979-07-27
1981-04-21
Jiles, Henry R.
Chemistry: fertilizers
Processes and products
Forms or conditioning
71 91, 71 94, 71 95, 544163, 546196, 549 10, 26032634, 2603403, 2603433R, 26034622, 26034673, 260465D, 260465E, 260465F, A01N 4308, C07D30783
Patent
active
042630371
ABSTRACT:
The invention provides herbicidally-active 2,3-dihydro-5-cyanobenzofurans of the formula: ##STR1## (wherein: R.sup.1 and R.sup.2 together represent .dbd.O or R.sup.1 represents hydrogen and R.sup.2 represents hydrogen, hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, alkylthiocarbonyloxy, halogen, isothiocyanato, amino, alkylamino, dialkylamino, arylamino, acylamino, alkoxycarbonylamino, alkylthiocarbonylamino, N-bonded heterocyclyl, cyano or alkylthio; R.sup.3 and R.sup.4 together represent alkylene or each represent hydrogen or alkyl; and R.sup.5, R.sup.6 and R.sup.7, which may be the same or different, each represent hydrogen, halogen, alkyl, alkoxy, acyl or cyano), processes for their preparation and herbicidal compositions containing them.
REFERENCES:
patent: 4162154 (1979-07-01), Gates et al.
Baldwin Derek
Gates Peter S.
Gillon John
Wilson Carol A.
Dentz Bernard
Fisons Limited
Jiles Henry R.
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