申请人:Firmenich SA
公开号:US05081312A1
公开(公告)日:1992-01-14
New 4,4,5,8-tetramethyl-1-oxaspiro[2,5]octane. A process for its preparation starting from 2,2,3,6-tetramethyl-1-cyclohexanone is described. 4,4,5,8-Tetramethyl-1-oxaspiro[2,5]octane is a useful raw material for the preparation of 2,2,3,6-tetramethyl-cyclohexane-carbaldehyde, a key intermediate for the synthesis of valuable fragrance ingredients.
新的4,4,5,8-四甲基-1-氧杂螺[2,5]辛烷。描述了一种从2,2,3,6-四甲基-1-环己酮开始制备的方法。4,4,5,8-四甲基-1-氧杂螺[2,5]辛烷是制备2,2,3,6-四甲基-环己烷-醛的有用原料,后者是合成有价值的香料成分的关键中间体。