申请人:Phillips Petroleum Company
公开号:US04055567A1
公开(公告)日:1977-10-25
Compounds having the formula ##STR1## are prepared from a corresponding o-nitrophenol by blocking the hydroxyl groups via acetal formation, followed by reductive coupling and acid hydrolysis.
具有##STR1##式的化合物是通过从相应的邻硝基苯酚开始,通过缩醛形成阻断羟基,然后进行还原偶联和酸水解制备的。