Synthesis of 1-methoxy-1H-phenanthro[9,10-c][1,2]oxazine and its transformation to triphenylene-o-dicarboxylic derivatives
作者:Demetrios N. Nicolaides、Raed Wajih Awad、Georgios K. Papageorgiou、Julia Stephanidou-Stephanatou、Aristides Terzis、Catherine P. Raptopoulou
DOI:10.1016/0040-4039(95)02314-3
日期:1996.2
1-Methoxy-1H-phenanthro[9,10-c][1,2]oxazine 4 prepared from teh reaction of 10-(methoxyimino)phenanthren-9-one 1 with benzoylmethylene(triphenyl)phosphorane 2, reacts thermally with dienophiles 6, 9a, b to give the triphenylene-o-dicarboxylicderivatives 8, 11a,b in high yield.