Process for preparing amino-2, 4-dinitroaromatic herbicides

Details Process for preparing amino-2, 4-dinitroaromatic herbicides Process for preparing amino-2, 4-dinitroaromatic herbicides

1984-05-02

1986-09-02

Warren, Charles F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564 87, 564406, 564419, 544167, 546232, 548569, 558424, C07C 8502

Patent

active

046097597

ABSTRACT:
This invention pertains to a process for producing 2,6 dinitroaniline derivates which are suited as intermediates for herbicides. The process involves the formation of a 1,2,6-trinitro-aromatic isomer and the subsequent nucleophilic displacement of the 1-nitrosubstituent with an amine. The reaction products can easily be separated from other organics by forming an amine salt and extracting with water.

REFERENCES:
patent: 3920742 (1975-11-01), Lutz et al.
patent: 4025538 (1977-05-01), Lutz et al.
patent: 4091096 (1978-05-01), Beck et al.
patent: 4101582 (1978-07-01), Lutz et al.
patent: 4124639 (1978-11-01), Lutz et al.
patent: 4165231 (1979-08-01), Lutz et al.
Houben-Weyl, "Methoden der Organischen Chemie", vol. XI/1, (Amines), Verlag, Stuttgart (1957), pp. 236-241.

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