The invention relates to novel substituted benzoylcyclohexanediones of
formula (I) ##STR00001## in which A.sup.1 represents a single bond or
represents alkanediyl (alkylene) having 1 to 3 carbon atoms, A.sup.2
represents alkanediyl (alkylene) having 1 to 3 carbon atoms, and R.sup.1,
R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are each as defined in the
disclosure, and to novel intermediates, to processes for their
preparation and to their use as herbicides.