申请人:Union Camp Corporation
公开号:EP0270023A1
公开(公告)日:1988-06-08
A method is provided for preparing cineoles in an improved yield and with increased 1,4-cineole content, by reaction of terpin hydrate, terpineol or mixtures thereof with an acid, such as 50% sulfuric acid or 85% phosphoric acid, in the presence of a solvent for cineole which solvent is immiscible with the aqueous acid phase of the reaction mixture, and separating the cineole-containing solvent layer from the acid.
本发明提供了一种方法,通过将
水合
萜品、
松油醇或其混合物与酸,如 50%
硫酸或 85%
磷酸,在
松油醇溶剂的存在下进行反应,并将含
松油醇的溶剂层与反应混合物的酸性
水相分离,从而制备出产率更高且 1,4-
松油醇含量更高的
松油醇。