发明名称 |
PROCESS FOR PREPARING 2-ALKYL-4-AMINO-5-AMINOMETHYLPYRIMIDINE |
摘要 |
Disclosed is a process for preparing 2-alkyl-4-amino-5-aminomethylpyrimidine comprising (i) a first step of reacting 2-alkyl-4-amino-5-formylpyrimidine with ammonia in an inert solvent in the presence of at least one compound selected from heteropolyacids, isopolyacids, oxyacids and salts thereof containing molybdenum or tungsten, and (ii) a second step of reacting the reaction product in the first step catalytically with ammonia and hydrogen in an inert solvent in the presence of a reducing catalyst together with or without a hydroxide of an alkali metal or alkaline earth metal. |
申请公布号 |
DE3469524(D1) |
申请公布日期 |
1988.04.07 |
申请号 |
DE19843469524 |
申请日期 |
1984.04.06 |
申请人 |
UBE INDUSTRIES, LTD. |
发明人 |
YOSHIDA, HIROSHI, C/O CENTRAL RESEARCH LABS.;NIIDA, SADAO, C/O CENTRAL RESEARCH LABS. |
分类号 |
B01J23/44;B01J23/755;B01J23/85;B01J27/188;C07B31/00;C07B43/04;C07B61/00;C07C67/00;C07C209/00;C07C209/26;C07C209/52;C07C211/21;C07C213/00;C07C213/02;C07C217/58;C07C229/38;C07D239/42;(IPC1-7):C07D239/42 |
主分类号 |
B01J23/44 |
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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