Process for the preparation of cyclic aliphatic orthocarbonic esters new cyclic orthocarbonic esters

摘要

The process according to the invention is particularly suitable for the preparation of aliphatic spiroorthocarbonates. For the preparation of aliphatic spiroorthocarbonates of the formula <IMAGE> (IV) in which dichloromethane derivatives of the formula (R5O)2CCl2(II) are reacted with aliphatic diols of the formula HO-B-OH(V) in the presence of stoichiometric amounts of H-containing bases, which contain the nitrogen as part of an aromatic system.