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US 4,381,312 AGranted
2,4,6-Trinitrodiphenylamines for control of foliar phytopathogens
AssigneeEli Lilly and Company
InventorsBarry A. Dreikorn, Kenneth E. Kramer
Life of this patent
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Abstract
A class of 2,4,6-trinitrodiphenylamines, bearing one or more substituents on the ring which does not bear nitro groups, which substituents are chosen from among trfluoromethyl groups, nitro groups, and other simple substituents, are effective in the control of foliar phytopathogens.
Claims9
A method of reducing the adverse effects of downy mildew phytopathogens which comprises contacting the phytopathogens on the foliage of plants with an effective phytopathogen-inhibiting amount of a compound of the formula ##STR2## wherein R represents nitro,
- trifluoromethyl,
- hydroxy,
- cyano,
- benzoyl, or
- C.sub.1 -C.sub.3 alkoxycarbonyl;
- n represents 1-3;
- R' represents
- hydrogen,
- chloro, or
- C.sub.1 -C.sub.3 alkyl;
- provided that benzoyl and C.sub.1 -C.sub.3 alkoxycarbonyl do not occupy either the 2'- or 6'-position;
- that nitro does not occupy either the 2'- or 6'-position when n represents 1;
- that n must represent 1 when R represents cyano, benzoyl or C.sub.1 -C.sub.3 alkoxycarbonyl;
- and that R' represents hydrogen when n represents 3.
11 more elements
Dependencies are inferred from the claim text.