发明名称 |
Preparation of benzotriazoles |
摘要 |
This invention relates to a process for producing benzotriazoles which comprises effecting a mixture in an aqueous medium of at least one aromatic orthodiamine and one or more nitrites and heating the mixture to temperatures ranging up to about 350 DEG C. while maintaining pressures at levels sufficient to keep effective amounts of water present for the reaction.
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申请公布号 |
US4363914(A) |
申请公布日期 |
1982.12.14 |
申请号 |
US19810222445 |
申请日期 |
1981.01.05 |
申请人 |
THE SHERWIN-WILLIAMS COMPANY |
发明人 |
LONG, JOHN W.;VACEK, LUBOMIR |
分类号 |
C07D249/18;(IPC1-7):C07D249/18;C07D249/20 |
主分类号 |
C07D249/18 |
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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