Synthesis of Stable 1,2-Diazocines, 4,7-Disubstituted 3,8-Diaryl-1,2-diazacycloocta-2,4,6,8-tetraenes, and Their Thermolysis
作者:Seiichi Yogi、Kozo Hokama、Kazunori Ueno、Otohiko Tsuge
DOI:10.1246/bcsj.59.1087
日期:1986.4
Stable 1,2-diazocines, 3,8-diaryl-4,6-dichloro-1,2-diazacycloocta-2,4,6,8-tetraenes, were prepared via a chlorination–dehydrochlorination sequence starting from readily-available 3,8-diaryl-1,2-diazacycloocta-2,8-dienes. When reacted with metal carboxylates in benzene under reflux, the dichloro-1,2-diazocines were converted into stable 4-acyloxy- and/or 4,7-bis(acyloxy)-1,2-diazocines. On the thermolysis
稳定的 1,2-diazocines,3,8-diaryl-4,6-dichloro-1,2-diazacycloocta-2,4,6,8-tetraenes,是通过氯化-脱氯化氢序列从容易获得的 3 开始制备的, 8-二芳基-1,2-二氮杂环辛-2,8-二烯。当在回流下与苯中的金属羧酸盐反应时,二氯-1,2-重氮辛被转化为稳定的 4-酰氧基-和/或 4,7-双(酰氧基)-1,2-重氮。在回流下在甲苯中热解时,所有的重氮辛仅产生吡啶衍生物,同时挤出相应的苄腈。还讨论了重氮辛的热行为。