Process For the Production of Intermediates For the Preparation of Tricyclic Benzimidazoles
申请人:Chiesa Maria Vittoria
公开号:US20080280855A1
公开(公告)日:2008-11-13
The invention relates to a process for the synthesis of compounds of the formula 1-a and compounds of the formula 1-b.
The compounds of the formula 1-a and the compounds of the formula 1-b, in which the substituents R1, R2, R3, and Ar have the meanings indicated in the description, are valuable intermediates for the preparation of pharmaceutically active compounds.
本发明涉及一种合成公式1-a化合物和公式1-b化合物的方法。公式1-a化合物和公式1-b化合物中,取代基R1、R2、R3和Ar的含义如描述中所示,是制备药物活性化合物的有价值中间体。