A method for preparing 3β-arachidylamido-7α,12α,5β-cholan-24-carboxylic acid represented by the following formula V is disclosed, which includes the following steps: converting cholic acid to the compound of formula III by acylation reaction and azidation reaction, reducing the compound of formula III to the compound of formula IV and in the end acylating the compound of formula IV with arachidoyl chloride to get the compound of formula V. The method avoids the use of protection groups.
揭示了一种制备由以下公式V表示的3β-花生酰胺基-7α,12α,5β-
胆酸-24-
羧酸的方法,包括以下步骤:通过酰化反应和偶氮化反应将
胆酸转化为公式III的化合物,将公式III的化合物还原为公式IV的化合物,最后用
花生酰氯酰化公式IV的化合物得到公式V的化合物。该方法避免了使用保护基。