发明名称 |
Preparation of 2-hydroxyquinoxaline |
摘要 |
An improved procedure for the manufacture of 2-hydroxyquinoxalines from reacting a dialkyl tartrate with a periodate, adjusting the pH of the resulting reaction mixture, and condensing said mixture with an o-phenylenediamine.
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申请公布号 |
US4450271(A) |
申请公布日期 |
1984.05.22 |
申请号 |
US19820399275 |
申请日期 |
1982.07.19 |
申请人 |
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE |
发明人 |
SU, TSUNG-TSAN;CHENG, YU-CHEN |
分类号 |
C07D241/44;(IPC1-7):C07D241/44 |
主分类号 |
C07D241/44 |
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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