Synfacts 2011(4): 0427-0427  
DOI: 10.1055/s-0030-1259603
Metal-Mediated Synthesis
© Georg Thieme Verlag Stuttgart ˙ New York

Iron-Mediated Tandem Annulation for the Synthesis of Various Chromenes

Contributor(s): Paul Knochel, Andreas K. Steib
Z.-Q. Wang, Y. Lei, M.-B. Zhou, G.-X. Chen, R.-J. Song, Y.-X. Xie, J.-H. Li*
Hunan Normal University, Changsha and Wenzhou University, P. R. of China
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18. März 2011 (online)


A new iron-mediated tandem ­annulation giving numerous functional indeno[1,2-c]chromenes and 5H-naphthol[1,2-c]chromenes from 2-[2-(ethynyl)phenoxy]-1-arylethanones has been developed.