The invention also relates to in particular compounds having two tetrahydropyrane rings or at least one tetrahydropyrane ring and a dioxane ring .

本发明特别涉及具有两个 四 氢 吡喃环或者具有至少 各一个四氢吡喃环和二韧榛返幕合物。

The invention relates to a method for producing tetrahydropyrane derivatives which comprise at least one additional ring containing oxygen .

本发明涉及一种制备包含至少一个另外的含氧环的 四 氢 吡喃衍生物的方法。