One??Pot Synthesis of Fused Benzo [c] carbazoles by Photochemical Intramolecular Annulation of 3??Acyl??2??haloindoles with Tethered Styrenes

SC Lu, SC Wei, WX Wang, W Zhang…

Index: Lu, Shen-Ci; Wei, Shi-Chao; Wang, Wei-Xia; Zhang, Wei; Tu, Zhi-Feng European Journal of Organic Chemistry, 2011 , # 29 p. 5905 - 5910

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Citation Number: 7

Abstract

Abstract An efficient procedure for the synthesis of fused benzo [c] carbazoles has been achieved in moderate to high yields by the one-pot photochemical annulation of 3-acyl-2- haloindoles with tethered styrenes by photoinduced electron-transfer coupling, electrocyclic reactions, and deacylative aromatization in the presence of pyridine. Fused furo [2, 3-c] carbazoles were also synthesized under the same conditions. 5, 6-Dihydrobenzo [c] ...

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