Heteroelectrocyclic reaction of 4-azido-3-hydrazonoalkyl-quinolines to 2-arylaminopyrazolo[4,3-<i>c</i>]quinolones
作者:Gerhard Hojas、Werner Fiala、Wolfgang Stadlbauer
DOI:10.1002/jhet.5570370625
日期:2000.11
derivatives 1 via tosylates 3 or chlorides 5, reacted with arylhydrazines 6 to generate 4-azido-3-hydrazonoalkylquinolines 7. Thermolysis of 7 gave ring closure products which were assigned to 2-arylaminopyrazolo[4,3-c]quinolones 10. The thermal decomposition conditions of the azides 4 and 7 were studied by differential scanning calorimetry (DSC).
从
4-羟基衍
生物1经由
甲苯磺酸酯3或
氯化物5获得的4-
叠氮基-3-酰基
喹诺酮4与芳基
肼6反应,生成4-
叠氮基-3-
肼基烷基
喹啉7。热解7得到闭环产物,其分配给2-芳基
氨基
吡唑并[4,3- c ]喹诺
酮类化合物10。通过差示扫描量热法(
DSC)研究了
叠氮化物4和7的热分解条件。