Gas-phase thermolysis of 1-acylnaphtho[1,8-de][1,2,3]triazines. Interesting direct routes towards condensed naphtho[1,8-de]heterocyclic ring systems
作者:Hanan Al-Awadi、Maher R. Ibrahim、Hicham H. Dib、Nouria A. Al-Awadi、Yehia A. Ibrahim
DOI:10.1016/j.tet.2005.08.047
日期:2005.10
FVP pyrolysis of 1-acylnaphtho[1,8-de][1,2,3]triazines at 500 °C and 10−2 Torr gave exclusively the corresponding 2-substituted naphtho[1,8-de][1,3]oxazines. The latter was also obtained by static pyrolysis but in lower yield along with the corresponding N-(naphthalen-1-yl)acylamides. The reaction was studied kinetically and mechanistically.
1-酰基萘并[1,8- de ] [1,2,3]三嗪在500°C和10 -2 Torr下的FVP热解仅产生相应的2-取代萘并[1,8- de ] [1,3]恶嗪。后者也可以通过静态热解获得,但是产率较低,同时具有相应的N-(萘-1-基)酰酰胺。对该反应进行了动力学和力学研究。