[EN] METHOD OF PREPARING FUSED RING INDENO COMPOUNDS<br/>[FR] PROCÉDÉ DE PRÉPARATION DE COMPOSÉS INDÉNO CYCLIQUES FUSIONNÉS
申请人:TRANSITIONS OPTICAL INC
公开号:WO2015077147A1
公开(公告)日:2015-05-28
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).