发明名称 |
Process for the preparation of 2,3,5-collidine and 2-ethyl-5-methylpyridine |
摘要 |
2,3,5-Collidine and 2-ethyl-5-methylpyridine are prepared in high yields at the same time by reacting methacrolein and methyl ethyl ketone with ammonia in a gas phase in the presence of a catalyst which comprises silica-alumina containing at least one element selected from the group consisting of cobalt, zinc, cadmium, thallium and lead.
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申请公布号 |
US6111113(A) |
申请公布日期 |
2000.08.29 |
申请号 |
US19980096383 |
申请日期 |
1998.06.12 |
申请人 |
KOEI CHEMICAL CO., LTD. |
发明人 |
ITOH, NAOROU;ABE, NOBUYUKI |
分类号 |
B01J23/06;B01J23/14;C07D213/12;(IPC1-7):C07D213/06;C07D213/08;C07D213/14 |
主分类号 |
B01J23/06 |
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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