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公开(公告)号：US3632610A
公开(公告)日：1972-01-04
申请号：US3632610D
申请日：1967-10-02
Applicant: BAYER AG
Inventor： SCHMITZ REINOLD , LEISTER HEINRICH , BIEN HANS-SAMUEL
CPC classification number: C07C50/34
Abstract: 5-NITRO-1,4-DIHYDROXY-ANTHRAQUINONE IS PRODUCED BY NITRATING 1-HYDROXY-10-CHLOROANTHRAQUINONE (4,9) IN AN INORGANIC ACID SOLVENT AND HYDROLYZING THE RESULTANT 1-HYDROXY-5-(OR 8-)NITRO-10-CHLORO-ANTHRAQUINONE-(4,9).
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