发明名称 |
METHOD FOR THE PRODUCTION OF N,N'-CARBONYL DIAZOLES |
摘要 |
The invention relates to a process for the preparation of N,N'-carbonyldiazoles by reacting azoles with phosgene in a solvent, whereby the azole and the phosgene are metered into an aromatic solvent dried by incipient distillation in such a way that in the time in which 1 mol of azole is metered in, from 0.17 to 0.34 mol of phosgene is metered in simultaneously. |
申请公布号 |
HU0103373(A2) |
申请公布日期 |
2001.12.28 |
申请号 |
HU20010003373 |
申请日期 |
1999.07.16 |
申请人 |
BAYER AG. |
发明人 |
DR. KLAUSENER ALEXANDER;DR. SCHERER JOHANNES;DR. SOELLNER ROBERT |
分类号 |
C07D231/12;C07D233/61;C07D521/00 |
主分类号 |
C07D231/12 |
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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