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公开(公告)号：US3721713A
公开(公告)日：1973-03-20
申请号：US3721713D
申请日：1970-04-10
Applicant: IND DYESTUFF CO
Inventor： BLOOM A
IPC: C07C205/45 , C07C49/76
CPC classification number: C07C205/45 , C07C201/08 , C07C2603/18
Abstract: 2,4,7-TRINITROFLUORENONE, PREPARED BY NITRATING FLUORENONE WITH A MIXTURE OF NITRIC AND SULFURIC ACIDS, WITHOUT REFLUXING, IS OBTAINED IN HIGH PURITY BY ADDITION OF WATER TO THE REACTION MASS THEREBY PRECIPITATING IT FROM SOLUTION WHILE LEAVING DISSOLVED ISOMERS AND OTHER NITRATION PRODUCTS.
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