作者:Philippe Franck、Steven Hostyn、Beáta Dajka-Halász、Ágnes Polonka-Bálint、Katrien Monsieurs、Peter Mátyus、Bert U.W. Maes
DOI:10.1016/j.tet.2008.01.060
日期:2008.6
azaheteroaromatic C–Cl bonds and C(sp2)–H activation have been investigated at high reaction temperatures (180–200 °C). This allowed the fast (10–30 min) synthesis of a variety of azaheteroaromatic ring systems (dibenzo[f,h]phthalazine, dibenzo[f,h]cinnoline, benzofuro[2,3-d]pyridazine, 5H-pyridazino[4,5-b]indole, 7H-indolo[2,3-c]quinoline and 5H-δ-carboline) in moderate to good yields.
在高反应温度(180-200°C)下,已研究了钯催化的环加氢卤化反应,涉及芳族C-Br或活化的氮杂杂芳族C-Cl键的氧化加成和C(sp 2)-H活化。这使得各种azaheteroaromatic环系统(二苯并[的快速(10-30分钟)的合成˚F,ħ ]酞嗪,二苯并[ ˚F,ħ ]噌啉,苯并呋喃并[2,3- d ]哒嗪,5 ħ -pyridazino [ 4,5- b ]吲哚,7 ħ吲哚并[2,3- c ^ ]喹啉和5- ħ -δ咔啉)在中度至良好的产率。