| 发明名称 |
PROCESSO PER PREPARARE 3,3'-DIAMMINO-DIFENILSOLFONI. |
| 摘要 |
3,3'-diamino diphenylsulfones are prepared by catalytically reducing and dehalogenating, in the presence of a reduction catalyst and a dehydrohalogenation agent, a diphenylsulfone compound of the general formula <IMAGE> in which X is a halogen atom and Y is hydrogen or a halogen atom. |
| 申请公布号 |
IT8319647(D0) |
申请公布日期 |
1983.02.18 |
| 申请号 |
IT19830019647 |
申请日期 |
1983.02.18 |
| 申请人 |
MITSUI TOATSU CHEMICALS INC. |
发明人 |
KEIZABURO YAMAGUCHI;KENICHI SUGIMOTO;YOSHIMITSU TANABE;AKIHIRO YAMAGUCHI;SABURO KAWASHIMA |
| 分类号 |
C07C309/40 |
主分类号 |
C07C309/40 |
| 代理机构 |
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代理人 |
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| 主权项 |
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