作者:Tharallah A. Shoker、Khaled I. Ghattass、James C. Fettinger、Mark J. Kurth、Makhluf J. Haddadin
DOI:10.1021/ol301550e
日期:2012.7.20
yield, unexpectedly, 8H-indolo[3,2-a]phenazine and quinolino[2,3-c]cyclopentadienone[2,3-b]quinoxalines, the structures of derivatives of which were confirmed by X-ray crystallography. Easy routes to novel quinoxaline-based indoles, quinolones, and quinoxaline-1,4-dioxides are reported, and proposed mechanisms for the unexpected products are discussed.
许多 2,3-二氢-1 H-环戊二烯[ b ]喹喔啉-1-酮的酸催化弗里德兰德反应产生2-氨基苯甲醛,出人意料的是,8 H-吲哚[3,2- a ]吩嗪和喹啉[2] ,3- c ]环戊二烯酮[2,3- b ]喹喔啉,其衍生物的结构已通过X射线晶体学证实。报道了获得新型喹喔啉基吲哚、喹诺酮类和喹喔啉-1,4-二氧化物的简单途径,并讨论了产生意外产物的机制。