Synthesis of 6-substituted phenanthridines by metal-free, visible-light induced aerobic oxidative cyclization of 2-isocyanobiphenyls with hydrazines

Synthesis of 6-substituted phenanthridines by metal-free, visible-light induced aerobic oxidative cyclization of 2-isocyanobiphenyls with hydrazines

Irradiation of hydrazines with visible-light in the presence of organic dye eosin B generates various types of functional radicals, which are trapped by 2-isocyanobiphenyls to give 6-substituted phenanthridines.

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Veröffentlicht in:Green chemistry : an international journal and green chemistry resource : GC 2014-01, Vol.16 (5), p.2418-2421
Hauptverfasser: Xiao, Tiebo, Li, Linyong, Lin, Guoliang, Wang, Qile, Zhang, Ping, Mao, Zong-wan, Zhou, Lei
Format: Artikel
Sprache:eng
Schlagworte:
Dyes
Hydrazines
Irradiation
Radicals
Synthesis
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Zusammenfassung:Irradiation of hydrazines with visible-light in the presence of organic dye eosin B generates various types of functional radicals, which are trapped by 2-isocyanobiphenyls to give 6-substituted phenanthridines.
ISSN:1463-9262
1463-9270
DOI:10.1039/c3gc42517g