Efficiency of organometallic catalysis in a new “ecological” synthesis of retinal
作者:Hugues Bienaymé
DOI:10.1016/0040-4039(94)85320-7
日期:1994.10
Isoprenoid aldehydes (such as retinal) are readily obtained from propargylic alcohols by a three step protocol involving the key palladium-catalysed transformation 1 → 2
类异戊二烯醛(例如视网膜)可通过三步操作方案从炔丙醇中轻松获得,该步骤涉及关键的钯催化的转化1→2
Method for preparing vitamin A
申请人:Aventis Animal Nutrition, S.A.
公开号:US06384270B1
公开(公告)日:2002-05-07
The invention relates to a process for making vitamin A from ethynyl-retro-&agr;-ionol using an allene acetate as intermediate.