Reactions of 8-(Triphenylphosphoimino)quinoline with Aryl Aldehydes and Aryl Isocyanates: Formation of 2-Aryl-4H-imidazo[4,5,1-ij]quinolines and Related Systems
作者:Noritaka Abe、Kentaro Nagamatsu、Erina Akiyoshi、Hidenori Ito、Hiroyuki Fujii、Akikazu Kakehi
DOI:10.3987/com-06-s(o)6
日期:——
The reaction of 8-(triphenylphosphoimino)quinoline with aryl aldehydes gave 2-aryl-4H-imidazo[4,5,1-ij]quinolines. In the reaction, tandem aza-Wittig reaction and cyclization attended with hydride shift occurred. The reaction of 8-(triphenylphosphoimino)quinoline with aryl isocyanates gave 1,3-diaryl-1,2,3,9a-tetrahydro[1,3,5]triazolo[2',3':2,1;3',4'-a]imidazo[4,5,1-ij]quinolin-2-ones (11) and 2-(arylamino)imidazo[4
8-(三苯基磷酸亚氨基)喹啉与芳基醛反应得到2-芳基-4H-咪唑并[4,5,1-ij]喹啉。在该反应中,发生了串联氮杂-维蒂希反应和伴随氢化物位移的环化反应。8-(三苯基磷酸亚氨基)喹啉与芳基异氰酸酯反应得到 1,3-二芳基-1,2,3,9a-四氢[1,3,5]三唑并[2',3':2,1;3', 4'-a]咪唑并[4,5,1-ij]quinolin-2-ones (11) 和 2-(arylamino)imidazo[4,5,1-ij]quinolin-4(4H)-ones (12) . 11a (Ar = Ph) 和 12a (Ar = Ph) 的结构通过 X 射线结构分析得到证实。