发明名称 Process for the preparation of 1-aminoanthraquinones
摘要 There is disclosed a process for the preparation of 1-aminoanthraquinones from 5-nitro-1,4,4a,9a-tetrahydroanthraquinones with a basic reducing agent, which process is carried out under pressure in the temperature range above 100 DEG C. and in an aqueous-organic medium. The process affords very pure 1-aminoanthraquinone, which is, inter alia, an important intermediate.
申请公布号 US4770818(A) 申请公布日期 1988.09.13
申请号 US19870110162 申请日期 1987.10.19
申请人 CIBA-GEIGY CORPORATION 发明人 PLATTNER, ERIC;SEIFERT, GOTTFRIED;SOMLO, TIBOR
分类号 C09B1/22;C09B1/20;(IPC1-7):C07C97/24 主分类号 C09B1/22
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