4-cycloalkyl-5-substituted pyrimidine compounds useful as crop protection agents

A compound of the formula (I):

• ##STR37## wherein Z is independently halogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 alkynyl, nitro, cyano, hydroxy, thiocyano, --N(R.sup.11)(R.sup.12), C.sub.1 -C.sub.6 haloalkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 haloalkoxy, (C.sub.1 -C.sub.6)alkoxy-(C.sub.1 -C.sub.6)alkyl, halo(C.sub.1 -C.sub.6)alkoxy-(C.sub.1 -C.sub.6)alkyl, --C(X)--R.sup.10 or --S(O).sub.k --R.sup.10 ;
• q is 0, 1, 2, 3, 4 or 5;
• A is C or N;
• X is oxygen or sulfur;
• R is hydrogen, hydrocarbyl, hydrocarbyl substituted with one or more of halogen or C.sub.1 -C.sub.6 alkoxy, pyridyl, substituted pyridyl, azabenzyl, pyrimidinyl, substituted pyrimidinyl or is of the formula --C(Y)--R.sup.6, --C(O)--C(O)--R.sup.6, --S(O).sub.2 --R.sup.6, --P(Y)(R.sup.11)(R.sup.12) or --Si(R.sup.13)(R.sup.14)(R.sup.15);
• wherein
• Y is oxygen or sulfur;
• R.sup.6 is hydrocarbyl, substituted hydrocarbyl, hydrocarbyloxy, substituted hydrocarbyloxy, hydrocarbyl-S--, substituted hydrocarbyl-S--, furyl or is of the formula --N(R.sup.7)(R.sup.8);
• wherein R.sup.7 and R.sup.8 are each independently hydrogen, hydrocarbyl, substituted hydrocarbyl, hydrocarbyloxy, substituted hydrocarbyloxy, pyridyl, furyl, thienyl, (C.sub.1 -C.sub.6)-alkoxycarbonyl(C.sub.1 -C.sub.6)alkyl, hydroxycarbonyl(C.sub.1 -C.sub.6)alkyl, or N(R.sup.9)(R.sup.10) wherein R.sup.9 and R.sup.10 are each independently hydrogen, C.sub.1 -C.sub.6 alkyl, phenyl or substituted phenyl;
• or R.sup.7 and R.sup.8 together with the nitrogen to which they are bound form an aziridine, piperazine, morpholine, thiomorpholine, thiomorpholine 1-oxide, thiomorpholine 1-1,dioxide, hexamethyleneimine, piperidine or pyrrolidine ring, any of which may be optionally substituted with C.sub.1 -C.sub.6 alkyl;
• R.sup.11 and R.sup.12 are each independently C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkylthio or C.sub.1 -C.sub.6 alkoxy;
• R.sup.13, R.sup.14 and R.sup.15 are each independently C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 haloalkyl, aryl or arylalkyl;
• and
• k is 0, 1 or 2;
• Y.sub.1 is C.sub.3 -C.sub.6 cycloalkyl;
• Y.sup.2 is independently C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.6 haloalkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 alkynyl, mercapto, C.sub.1 -C.sub.6 alkylcarbamylthio, C.sub.1 -C.sub.6 haloalkoxy, nitro, cyano, hydroxy, thiocyano, (C.sub.1 -C.sub.6)-alkoxy-(C.sub.1 -C.sub.6)alkyl, --S(O).sub.k --R.sup.10 or --N(R.sup.11)(R.sup.12), wherein k, R.sup.10, R.sup.11 and R.sup.12 have the same meanings as above;
• n and m are each independently 0 or 1;
• and p is 0, 1, or 2;
• or an agriculturally acceptable salt thereof.