Substituted N-aroyl N'-phenyl urea compounds

Details Substituted N-aroyl N'-phenyl urea compounds Substituted N-aroyl N'-phenyl urea compounds

1984-09-24

1989-09-19

Shippen, Michael L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Nitrogen containing other than solely as a nitrogen in an...

544335, 546278, 560 18, 560 34, 564 23, 564 44, C07C12722, A01N 4734

Patent

active

048682152

ABSTRACT:
N-aroyl N'-phenyl ureas having the formula ##STR1## wherein: Ar is a substituted phenyl, pyridyl or pyrimidinyl radical wherein the substituents are chloro, bromo, fluoro C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkoxy, with the proviso that at least one substituent is positioned ortho to the carbonyl group; R.sub.3 and R.sub.4 are individually H or C.sub.1 -C.sub.4 alkyl or together they form the group ##STR2## Y is O or S; X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are individually H, halogen, C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, alkylcarbonyl, alkoxycarbonyl, C.sub.1 -C.sub.3 alkylthio, NO.sub.2, CN or NR.sub.5 R.sub.6 wherein R.sub.5 and R.sub.6 are H or C.sub.1 -C.sub.3 alkyl with the provisos that at least one of X.sub.1, X.sub.2, X.sub.3 or X.sub.4 is other than H and (a) when three of X.sub.1, X.sub.2, X.sub.3 or X.sub.4 are H, the fourth substitution cannot be halogen or alkyl, (b) when X.sub.1 and X.sub.3 are H, X.sub.2 and X.sub.4 cannot both be halogen, (c) when X.sub.2 and X.sub.3 are H, X.sub.1 and X.sub.4 cannot be both halogen, (d) when X.sub.1 and X.sub.4 are hydrogen, X.sub.2 and X.sub.3 cannot both be halogen and R is a C.sub.1 -C.sub.4 haloalkyl, haloalkoxy or haloalkylthio group which possess insecticidal properties.

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