Amino or nitro derivatives of benzoxazole-2-one and...

Details Amino or nitro derivatives of benzoxazole-2-one and... Amino or nitro derivatives of benzoxazole-2-one and...

C - Chemistry, Metallurgy

07

D

260/311.1, 260/2

C07D 263/58 (2006.01) C07D 265/36 (2006.01)

Patent

CA 1264323

Abstract: The invention provides compounds of the formula: Image wherein R1 is a hydrogen atom, a C1-C5 alkyl group, a C3-C4 alkenyl group, a C3-C4 alkynyl group, a C1-C4 haloalkyl group, a C3-C4 haloalkenyl group, a C3-C4 haloalkynyl group, a C1-C2 alkoxy (C1-C2) alkyl group or a C1-C2 alkoxy-(C1-C2) alkoxy(C1-C2)alkyl group, R2 and R3, which may be the same or different, each represents a hydrogen atom, a halogen atom, a C1-C3 alkyl group or a phenyl group, X is a hydrogen atom, a chlorine atom or a fluorine atom, n is an integer of 0 or 1 and A is an amino group on a nitro group. These compounds are useful as starting compounds in the preparation of tetrahydrophthalimides. The tetrahydrophthalimides are useful as herbicides.

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