申请人:Hoffmann-La Roche Inc.
公开号:US04148829A1
公开(公告)日:1979-04-10
A process for producing vitamin A esters, vitamin A aldehyde and vitamin A acid esters from esters of 3,7-dimethyl-9-(1-hydroxy-2,2,6-trimethylcyclohexyl)-nona-2,4,6-trien-8-yn -1-ol and 3,7-dimethyl-9-(1-hydroxy-2,2,6-trimethylcyclohexyL)-nona-2,4,6-trien-8-yn oic acid including intermediates in this process.
一种从3,7-二甲基-9-(1-羟基-2,2,6-三甲基环己基)-壬-2,4,6-三烯-8-炔-1-醇酯和3,7-二甲基-9-(1-羟基-2,2,6-三甲基环己基)-壬-2,4,6-三烯-8-炔酸酯制备维生素A酯、维生素A醛和维生素A酸酯的方法,包括该过程中的中间体。