吲哚丙酸

用特戊酰氯对吲哚-3-丙酸上的N进行保护，然后用氯化亚砜和三氯化铝进行酰化反应关环。

The N of indole-3-propionic acid is protected by pivaloyl chloride , and then thionyl chloride and aluminum chloride for acylation cyclization . 2 .

主要内容包括：1.以吲哚为原料，经与乙酸酐及丙烯酸反应制得吲哚-3-丙酸乙酰酯，再经碱性水解、酸化得吲哚-3-丙酸。

The content includes as following : 1 . Indole as raw material and acetic anhydride and acrylic reaction to get indole-3-propionate acetate , which by alkaline hydrolysis , acidification to indole-3-propionic acid .