Herbicidally active 2-nitro-5-phenoxyphenyloxazoles and -oxazoli

Chemistry: fertilizers – Processes and products – Forms or conditioning

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544 88, 544335, 548186, 548235, 548236, 548237, 548341, 548346, A01N 4300, C07C26314

Patent

active

043505198

ABSTRACT:
Novel 2-nitro-5-phenoxyphenyloxazoles, -oxazines and -thiazoles are disclosed. These compounds have the formula ##STR1## wherein A is a C.sub.2 -C.sub.3 alkylene or C.sub.2 -C.sub.3 alkenylene radical which can be substituted by C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 haloalkyl, each of R.sub.1, R.sub.2 and R.sub.3 independently is hydrogen, halogen, trifluoromethyl, nitro or cyano, and X is oxygen, sulfur or an imino group. The novel compounds have herbicidal and plant growth-inhibiting properties. They are especially suitable for use as selective herbicides in crops of cereals.

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