| 发明名称 |
Catalytic method for the manufacture of N,N'-dimethylpiperazine |
| 摘要 |
It has been surprisingly discovered in accordance with the present invention that N-methylethanolamine may be converted to N,N'-dimethylpiperazine when using a catalyst composed of titania to which from about 0.5 to about 7 wt. % of phosphorus has been thermally chemically bonded in the form of phosphate linkages.
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| 申请公布号 |
US4698428(A) |
申请公布日期 |
1987.10.06 |
| 申请号 |
US19860871954 |
申请日期 |
1986.06.09 |
| 申请人 |
TEXACO INC. |
发明人 |
ZIMMERMAN, ROBERT L.;VANDERPOOL, STEVEN H. |
| 分类号 |
C07D295/023;(IPC1-7):C07D241/04;C07C85/06 |
主分类号 |
C07D295/023 |
| 代理机构 |
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| 主权项 |
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