发明名称 |
Method of preparing 5-alkyl-1-(2-pyridinyl)-1H-1,2,4-triazol-3-ols |
摘要 |
5-Alkyl-1-(2-pyridinyl)-1H-1,2,4-triazol-3-ols are prepared in good yield by reacting an appropriate 1-acyl-1-(2-pyridinyl)-semicarbazide with a base in the presence of a non-nucleophilic solvent. The compounds so prepared are intermediates used in the preparation of insecticides. The starting semicarbazide materials are novel compounds.
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申请公布号 |
US4946959(A) |
申请公布日期 |
1990.08.07 |
申请号 |
US19890379401 |
申请日期 |
1989.07.13 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
WHITTEN, CHARLES E.;PEWS, R. GARTH |
分类号 |
C07D213/77;C07D401/04 |
主分类号 |
C07D213/77 |
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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