发明名称 |
VERFAHREN ZUR HERSTELLUNG VON NEUEN, EINE CYANGRUPPE AUFWEISENDEN CHINOXALIN-2-CARBOXAMID-1,4-DIOXIDDERIVATEN UND DEREN SAEUREADDITIONSSALZE |
摘要 |
1453678 Cyanobenzofurazan 1 - oxides PFIZER Inc 22 Aug 1974 [7 Jan 1974] 24469/76 Divided out of 1453677 Heading C2C Novel compounds of the Formula I wherein the cyano group is in the 5- or 6-position may be prepared by reacting 4-chloro-3- nitrobenzonitrile with a source of azide ion, followed by pyrolysis of the 4-azido-3-nitrobenzonitrile so produced. The compounds I are intermediates for the preparation of pharmaceutical active compounds claimed in Specification 1,453,677. |
申请公布号 |
AT347467(B) |
申请公布日期 |
1978.12.27 |
申请号 |
AT19750000074 |
申请日期 |
1975.01.07 |
申请人 |
PFIZER INC. |
发明人 |
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分类号 |
C07D241/40;A23K1/16;A61K31/495;A61K31/498;A61P3/00;A61P31/04;C07D241/52;C07D271/12 |
主分类号 |
C07D241/40 |
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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