Process for preparing substituted n-alkoxy-n-...

Details Process for preparing substituted n-alkoxy-n-... Process for preparing substituted n-alkoxy-n-...

A - Human Necessities

01

N

260/591.5

A01N 33/24 (2006.01)

Patent

CA 1112668

Abstract This invention relates to the processes for preparing N-alkoxy-2,6-dinitro-N-substituted-4-substituted anilines of the formula Image Formula I wherein R1 is methyl or ethyl; R2 is hydrogen, C1-C3 alkyl or C3-C4 alkenyl; and R3 is methyl, ethyl, isopropyl or trifluoromethyl. A 2,6-dinitro-1-halo-4-substituted- benzene is reacted with an alkoxyamine halohalide to prepare a N-alkoxy-2,6-dinitro- 4-substituted aniline which in turn may be reacted with an alkylating agent in the presence of a strong base to pre- pare a N-alkoxy-2,6-dinitro-4-substituted-N-substituted aniline. The compounds are herbicides.

306035

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