摘要:
Compounds of the formula ##STR1## wherein X is halogen, R.sub.1 and R.sub.2 are hydrogen, halogen, (halo)alk(en)yl, (halo)alkoxyalkyl or together form an (optionally substituted) alkylene bridge, and R.sub.3 is hydrogen, alkyl or halogen are valuable intermediates in particular for the manufacture of pesticides.
摘要:
Compounds of the formula ##STR1## wherein R.sub.1 is (among others) (halo)cycloalkyl or (halo)cycloalkenyl, R.sub.2 and R.sub.3 are preferably hydrogen, X is preferably oxygen and R.sub.4 is substituted pyrimidyl or s-triazinyl, are valuable herbicides and growth regulators.