Importance

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Abstract

Substituted (4-bromopyrazol-3-yl)benzazoles I ##STR1## and their salts where R.sup.1 =H, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl; R.sup.2 =CN, C.sub.l -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkylthio, C.sub.1 -C.sub.4 -alkylsulfinyl, C.sub.1 -C.sub.4 -haloalkylsulfinyl, C.sub.1 -C.sub.4 -alkylsulfonyl, C.sub.1 -C.sub.4 -haloalkylsulfonyl; R.sup.4 =H, halogen; R.sup.5 =H, CN, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -haloalkoxy; Z=--N.dbd.C(XR.sup.6)--O-- or --N.dbd.C(XR.sup.6)--S--, attached to .alpha. via the nitrogen, oxygen or sulfur; X=a chemical bond, oxygen, sulfur, --S(O)--, --SO.sub.2 --, --NH-- or --N(R.sup.7)--; R.sup.6, R.sup.7 =C.sub.l -C.sub.6 -alkyl, C.sub.l -C.sub.6 -haloalkyl, cyano-C.sub.l -C.sub.4 -alkyl, hydroxy-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.6 -alkenyl, cyano-C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -haloalkenyl, C.sub.3 -C.sub.6 -alkynyl, cyano-C.sub.3 -C.sub.6 -alkynyl, C.sub.3 -C.sub.6 -haloalkynyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkoxy-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -alkenyloxy-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -alkynyloxy-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.8 -cycloalkyloxy-C.sub.1 -C.sub.4 -alkyl, amino-C.sub.l -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylamino-C.sub.1 -C.sub.4 -alkyl, di(C.sub.1 -C.sub.4 -alkyl)amino-C.sub.1 -C.sub.4 -alkyl, C.sub.l -C.sub.4 -alkylthio-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkylthio-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -alkenylthio-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -alkynylthio-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylsulfinyl-C.sub.l -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkylsulfinyl-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -alkenylsulfinyl-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -alkynylsulfinyl-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylsulfonyl-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkylsulfonyl-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -alkenylsulfonyl-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -alkynylsulfonyl-C.sub.1 -C.sub.4 -alkyl, hydroxycarbonyl-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxycarbonyl-C.sub.1 -C.sub.4 -alkyl, which may carry a CN or C.sub.1 -C.sub.4 -alkoxycarbonyl group, C.sub.1 -C.sub.4 -alkylthiocarbonyl-C.sub.1 -C.sub.4 -alkyl, aminocarbonyl-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylaminocarbonyl-C.sub.1 -C.sub.4 -alkyl, di(C.sub.1 -C.sub.4 -alkyl)aminocarbonyl-C.sub.1 -C.sub.4 -alkyl, di(C.sub.1 -C.sub.4 -alkyl)-phosphonyl-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxyimino-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -alkenyloxyimino-C.sub.1 -C.sub.4 -alkyl, unsubstituted or substituted C.sub.3 -C.sub.8 -cycloalkyl, C.sub.3 -C.sub.8 -cycloalkyl-C.sub.1 -C.sub.4 -alkyl, phenyl, phenyl-C.sub.1 -C.sub.4 -alkyl, 3- to 7-membered heterocyclyl or heterocyclyl-C.sub.1 -C.sub.4 -alkyl, where each cycloalkyl and each heterocyclyl ring may contain a CO or CS ring member; if X=a chemical bond, --O--, --S--, --NH-- or --N(R.sup.7)--, R.sup.6 may also be C.sub.1 -C.sub.4 -alkylcarbonyl, C.sub.1 -C.sub.4 -haloalkylcarbonyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkylsulfonyl or C.sub.1 -C.sub.4 -haloalkylsulfonyl; if X=a chemical bond, R.sup.6 may furthermore be CN, SH, NH.sub.2, halogen, --CH.sub.2 --CH(halogen)-R.sup.8, --CH.dbd.CH--R.sup.8 or --CH.dbd.C(halogen)-R.sup.8, where R.sup.8 =COOH, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkylthiocarbonyl, CONH.sub.2, C.sub.1 -C.sub.4 -alkylaminocarbonyl, di(C.sub.1 -C.sub.4 -alkyl)aminocarbonyl or di(C.sub.1 -C.sub.4 -alkyl)phosphonyl; or R.sup.6 +R.sup.7 =an unsubstituted or substituted 1,3-propylene, tetramethylene, pentamethylene or ethyleneoxyethylene chain. Use: As herbicides; for the desiccation/defoliation of plants.

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First Claim