The invention relates to a novel process for preparing spiroketal-substituted cyclic ketoenols which can be used as insecticides, acaricides or herbicides. The present invention also relates to novel intermediates for the preparation of spiroketal-substituted cyclic ketoenols.
                            本发明涉及一种制备可用作
杀虫剂、
杀螨剂或
除草剂的螺酮醛取代的环酮醇的新工艺。本发明还涉及用于制备螺酮醛取代的环酮醇的新型中间体。