Disclosed in the present invention is a method for preparing a (−)-clausenamide compound of formula (I), comprising: firstly, catalyzing the asymmetrical epoxidation of trans-cinnamate using a chiral ketone derived from fructose or a hydrate thereof as a catalyst, and then subjecting the product to transesterification, oxidation, cyclization and reduction successively to finally obtain the optically pure (−)-clausenamide compound of formula (I).
本发明公开了一种制备式(I)的(-)-克劳森酰胺化合物的方法,包括:首先,使用从
果糖或其
水合物衍生的手性酮作为催化剂催化反式
肉桂酸的不对称环氧化反应,然后依次对产物进行酯交换、氧化、环化和还原,最终获得光学纯的(-)-克劳森酰胺化合物(I)。