发明名称 |
FOERFARANDE FOER FRAMSTAELLNING AV 1,3-DIHYDRO-4-PYRIDOYL-2H-IMIDAZOL-2-ONER. |
摘要 |
1,3-Dihydro-4-pyridoyl-2H-imidazol-2-ones are prepared in a three step process by a) reducing 1-pyridyl-1,3-deketo-2-oximinoalkanes to produce 1-pyridyl-1-hydroxy-2-amine-3-ketoalkanes; b) reacting the thus produced hydroxyaminoketone with cyanate ion to produce a 1,3-dihydro-4-hydroxy(pyridyl)methyl-2H-imidazol-2-one; and c) oxidizing the thus produced hydroxymethyl compound to yield the desired product. |
申请公布号 |
FI852923(L) |
申请公布日期 |
1986.01.31 |
申请号 |
FI19850002923 |
申请日期 |
1985.07.26 |
申请人 |
MERRELL DOW PHARMACEUTICALS INC. |
发明人 |
SCHNETTLER, RICHARD A.;KING, CHI-HSIN R. |
分类号 |
A61K31/44;A61K31/4402;A61K31/4406;A61K31/4409;A61K31/4418;A61K31/4427;A61P9/04;B01J23/34;B01J23/44;C07D213/48;C07D213/50;C07D401/06 |
主分类号 |
A61K31/44 |
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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