Synthesis of Tri- and Tetracyclic Condensed Quinoxalin-2-ones Fused Across the C-3−N-4 Bond
作者:Roberto Chicharro、Sonia de Castro、José L. Reino、Vicente J. Arán
DOI:10.1002/ejoc.200300028
日期:2003.6
studied the preparation of some fused quinoxalinones by Stevens rearrangement of a spiro-quinoxaline-derived ammonium ylide or by treatment of N-(2,4-dinitrophenyl)- and N-(2-nitrophenyl)imino acids with different reducing agents. We have reinvestigated and clarified some related processes found in the literature starting from imino acids derivatives. Additional reactions of the fused quinoxalinones
我们研究了通过史蒂文斯重排螺-喹喔啉衍生的叶立德铵或用不同的还原剂处理 N-(2,4-二硝基苯基)-和 N-(2-硝基苯基) 亚胺酸来制备一些稠合喹喔啉酮。我们重新研究并澄清了一些从亚氨基酸衍生物开始的文献中发现的相关过程。还报道了稠合喹喔啉酮的其他反应,以及一些容易获得的 1-芳基二氢吲哚-2-羧酸到相应的 1-芳基吲哚的有用脱氢/脱羧反应。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)