(HET)ARYSULFONYLUREAS HAVING AN AMINO FUNCTION, THEIR PREPARATION AND THEIR USE AS HERBICIDES AND PLANT GROWTH REGULATORS

摘要

COMPOUNDS OF THE FORMULA (1) AND SALTS THEREOF( FORMULA 1 )N WHICH A IS A (HETERO)AROMATIC OR HETEROCYLIC BRIDGE LINKED TO THE GROUP SO2 BY A DIRECT BOND, OR VIA O, S, NH, CH2 OR VIA ALKYLATED NH OR ALKYLATED METHYLENE, B IS A GROUP HAVING AN IMINO-CONTAINING FRAGMENT N=C-N, N=C-S, N=C-O OR N=C-C WHICH IS LINKED TO A BY ONE OF THE NITROGEN ATOMS OF THE FRAGMENT,@R=H OR AN ALIPHATIC RADICAL, W=O OR S AND X, Y AND Z ARE AS DEFINED IN CLAIM 1 ARE SUITABLE AS HERBICIDES AND PLANT GROWTH REGULATORS. THE PREPARATION IS CARRIED OUT FOR EXAMPLE SIMILARLY TO KNOWN PROCESSES VIA NOVEL INTERMEDIATES OF THE FORMULA (XII) (CF. CLAIMS 6 AND 10).