Process for producing a sulfone derivative of vitamin A alcohol
申请人:Hoffmann-La Roche Inc.
公开号:US03960967A1
公开(公告)日:1976-06-01
A process for the preparation of vitamin A and esters thereof from the condensation of a sulfone of 2-methyl-4-hydroxy-but-2-ene and an activated derivative of 3-methyl-5-(2,6,6-trimethyl-cyclohexen-1-yl)penta-2,4-diene including intermediates therein.