Diphenyl ether derivatives and herbicidal compositions containin

Details Diphenyl ether derivatives and herbicidal compositions containin Diphenyl ether derivatives and herbicidal compositions containin

1979-01-26

1980-07-22

Morgenstern, Norman

Chemistry: fertilizers

Processes and products

Forms or conditioning

260543R, 260553D, 260556B, 560 13, C07C143833, C07C14383, C07C14378, A01N 930

Patent

active

042137756

ABSTRACT:
New diphenyl ether derivatives having one to three substituents selected from a halogen atom and a trifluoromethyl group at any optional one to three positions of the 2'-, 3'-, 4'-, 5'- and 6'-positions in one phenyl moiety and nitro group at the 4-position and unsubstituted or substituted aminosulfonyl group at the 3-position in another phenyl moiety. They have a superior herbicidal effect and can be prepared starting from a known 3-benzylmercapto compound through three steps.

REFERENCES:
patent: 2986573 (1961-05-01), Topliss
patent: 3420892 (1969-01-01), Martin
patent: 3776961 (1973-12-01), Theissen
patent: 3784635 (1974-01-01), Theissen
patent: 3799760 (1974-03-01), Stephens
patent: 3953489 (1976-04-01), Tamura
patent: 4071351 (1978-01-01), Arneklev
patent: 4093446 (1978-06-01), Bayer
patent: 4106925 (1978-08-01), Rohr

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