申请人:Li Yiping
公开号:US20090018369A1
公开(公告)日:2009-01-15
A process for preparing Erianin (Dihydro Combretastation A-4), wherein 3,4,5-trimethoxy benzaldehyde is converted to phosphonium salt or phosphonate ester or the likes thereof, then reacted with isovanillin (3-hydroxyl-4-methoxyl benzaldehyde) including a protected hydroxyl in the 3-position, followed by hydrogenation and deprotection.
一种制备厚壁藤碱(二氢厚壁藤碱A-4)的过程,其中3,4,5-三甲氧基苯甲醛被转化为磷盐或膦酸酯或类似物,然后与异香草醛(3-羟基-4-甲氧基苯甲醛)反应,包括在3位受保护的羟基,随后进行氢化和去保护。