发明名称 PROCESS FOR THE PREPARATION OF 1,4-DIAMINO-2,3-DICYANOANTHRAQUINONE
摘要 Title compd. was prepd. in an aq. process by reaction of I(X=sulfo, cyano) and a cyanide source in the presence of a quaternary ammonium compd., optionally in the presence of a dehydrogenating agent. Thus, a mixt. of benzyltrimethylammonium chloride 360, I(X=sulfo) 110, nitrobenzene 30, and water 840 parts was stirred, the pH adjusted to 7, and aq. NaCN added dropwise to give 86.7 parts of a dark blue powder contg. title compd. 90.5, 1,4-diaminoanthraquinone 1,6 and I(X=sulfo)1.2%.
申请公布号 KR840001073(B1) 申请公布日期 1984.07.31
申请号 KR19800003989 申请日期 1980.10.17
申请人 SUMITOMO CHEM CO.,LTD. 发明人 TAKESHITA AKIRA;YOKOYAMA KANEO;HATTORI MAKOTO
分类号 (IPC1-7):C07C121/78 主分类号 (IPC1-7):C07C121/78
代理机构 代理人
主权项
地址