| 发明名称 |
Method of making triethylenediamine |
| 摘要 |
Strontium diorthophosphate is employed as catalyst for acid catalyzed organic condensation reactions. High conversion and exceptionally high selectivity are obtained by use of strontium diorthophosphate in cyclization reactions such as in the conversion of hydroxyethylpiperazine to triethylenediamine.
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| 申请公布号 |
US4405784(A) |
申请公布日期 |
1983.09.20 |
| 申请号 |
US19810278814 |
申请日期 |
1981.06.29 |
| 申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
WELLS, JAMES E. |
| 分类号 |
C01B25/37;B01J27/18;B01J27/185;C01B25/45;C07B31/00;C07B43/04;C07B61/00;C07C67/00;C07C209/00;C07C209/16;C07C209/18;C07C209/60;C07C211/09;C07C211/62;C07D295/023;C07D295/13;C07D487/08 |
主分类号 |
C01B25/37 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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