公开(公告)号：US3887588A

公开(公告)日：1975-06-03

申请号：US46801174

申请日：1974-05-08

Applicant: GEN ELECTRIC

Inventor： COOK NEWELL C ,  GASAWAY JOHN M

IPC: C07C205/57 ,  C07C63/14

CPC classification number: C07C201/12 ,  C07D317/64 ,  Y02P20/582 ,  C07C205/57

Abstract: Nitrophthalic anhydrides can be obtained by a treatment of phthalic anhydride in concentrated sulfuric acid with concentrated nitric acid and thereafter extracting the formed nitrophthalic anhydrides with methylene chloride.

Abstract translation: 硝酸邻苯二甲酸酐可以通过用浓硝酸处理浓硫酸中的邻苯二甲酸酐，然后用二氯甲烷萃取形成的硝基邻苯二甲酸酐而获得。