Process for preparing 2,7-dimethyl-2,4,6-octatriene-1,8-dial
申请人:Sangho Koo
公开号:US20020026082A1
公开(公告)日:2002-02-28
Intermediates useful in the synthesis of a compound having polyene chain structure, processes for preparing the same, and a process for preparing &bgr;-carotene utilizing the same are disclosed. Also disclosed is a novel compound, retinyl sulfide, which was synthesized by the coupling of a diallylic sulfide of the present invention with the corresponding Wittig salt.