The present invention relates to methods of preparing fused ring indeno compounds that involves reacting together a dienophile and a lactone compound, in the presence of a catalyst, and a carboxylic acid anhydride. With some embodiments, the fused ring indeno compound is represented by the following Formula (I-A), the dienophile is represented by the following Formula (II-A), and the lactone compound is represented by the following Formula (III-A):
本发明涉及制备融合环
吲哚化合物的方法,包括在催化剂和
羧酸酐存在下,将二烯丙烃和内酯化合物反应。在某些实施例中,所述融合环
吲哚化合物由以下式(I-A)表示,所述二烯丙烃由以下式(II-A)表示,所述内酯化合物由以下式(III-A)表示: