申请人:Hoffmann-La Roche Inc.
公开号:US04883887A1
公开(公告)日:1989-11-28
A process for producing carotenoids and carotenoid intermediates via reduction of sulfonyl polyenes with a dithionite in the presence of ammonia or an aliphatic amine, including novel intermediates in this process, which carotenoids are known coloring agents for foodstuffs, animal feeds, pharmaceuticals, etc.
通过在氨或脂肪胺存在下用二硫代硫酸盐还原磺酰基聚烯烃的方法生产类胡萝卜素和类胡萝卜素中间体,包括该过程中的新型中间体,这些类胡萝卜素是食品、动物饲料、药品等已知的着色剂。