Insecticidal compositions containing n-(substituted phenylmethyl)-4-[bis(substituted phenyl)methyl]piperidines

A compound of the formula:

• ##STR33## in which U is --(CH.sub.2).sub.n --;
• Q is hydroxy;
• R is ##STR34## in which V, W, and Z are each hydrogen;
• X is selected from alkoxy, haloalkoxy, alkoxyalkyl, cycloalkylalkoxy, halocycloalkylalkoxy, alkoxycarbonyl, haloalkoxycarbonyl, cycloalkylalkoxycarbonyl, halocycloalkylalkoxycarbonyl, alkoxyalkoxycarbonyl, alkoxycarbonylamino, haloalkoxycarbonylamino, cycloalkylalkoxycarbonylamino, halocycloalkylalkoxycarbonylamino, alkylaminocarbonyl, haloalkylaminocarbonyl, cyanoalkoxycarbonylamino, phenylcarbonylamino, and phenoxycarbonyl, each cycloalkyl moiety or phenyl ring optionally substituted with halogen;
• Y is selected from hydrogen and halogen;
• n is 1, 2, or 3;
• R.sup.1 and R.sup.2 are independently selected from phenyl substituted with haloalkyl, haloalkoxy, or alkylthio;
• with the proviso that at least one of R.sup.1 and R.sup.2 is haloalkoxyphenyl, each aliphatic moiety contains not more than 6 carbon atoms, and halogen means bromine, chlorine or fluorine;
• and the corresponding N-oxides and agriculturally acceptable salts.

A compound of the formula:

• ##STR35## in which U is --(CH.sub.2).sub.n --;
• Q is hydroxy;
• R is ##STR36## in which V, W, and Z are each hydrogen;
• X is selected from haloalkoxy, alkoxyalkyl, cycloalkylalkoxy, halocycloalkylalkoxy, haloalkoxycarbonyl, cycloalkylalkoxycarbonyl, halocycloalkylalkoxycarbonyl, alkoxyalkoxycarbonyl, haloalkoxycarbonylamino, cycloalkylalkoxycarbonylamino, halocycloalkylalkoxycarbonylamino, cyanoalkoxycarbonylamino, phenylcarbonylamino, and phenoxycarbonyl, each cycloalkyl moiety or phenyl ring optionally substituted with halogen;
• Y is selected from hydrogen and halogen;
• n is 1, 2, or 3;
• R.sup.1 and R.sup.2 are independently selected from phenyl substituted with haloalkyl, haloalkoxy, or alkylthio;
• with the proviso that each aliphatic moiety contains not more than 6 carbon atoms, and halogen means bromine, chlorine or fluorine;
• and the corresponding N-oxides and agriculturally acceptable salts.

A composition containing an insecticidally effective amount of a compound of the formula:

• ##STR37## in which U is --(CH.sub.2).sub.n --;
• Q is hydroxy;
• R is ##STR38## in which V, W, and Z are each hydrogen;
• X is selected from alkoxy, haloalkoxy, alkoxyalkyl, cycloalkylalkoxy, halocycloalkylalkoxy, alkoxycarbonyl, haloalkoxycarbonyl, cycloalkylalkoxycarbonyl, halocycloalkylalkoxycarbonyl, alkoxyalkoxycarbonyl, alkoxycarbonylamino, haloalkoxycarbonylamino, cycloalkylalkoxycarbonylamino, halocycloalkylalkoxycarbonylamino, alkylaminocarbonyl, haloalkylaminocarbonyl, cyanoalkoxycarbonylamino, phenylcarbonylamino, and phenoxycarbonyl, each cycloalkyl moiety or phenyl ring optionally substituted with halogen;
• Y is selected from hydrogen and halogen;
• n is 1, 2, or 3;
• R.sup.1 and R.sup.2 are independently selected from phenyl or pyridyl, each substituted with haloalkyl, haloalkoxy, or alkylthio;
• with the proviso that each aliphatic moiety contains not more than 6 carbon atoms, and halogen means bromine, chlorine or fluorine;
• and the corresponding N-oxides and agriculturally acceptable salts;
• in admixture with at least one agriculturally acceptable extender or adjuvant.