Tandem Cyclizations of 1,6-Enynes with Arylsulfonyl Chlorides by Using Visible-Light Photoredox Catalysis

Ray of light: 10a,11‐Dihydro‐10H‐benzo[b]fluorenes were synthesized by a visible‐light‐catalyzed tandem cyclization of 1,6‐enynes with arylsulfonyl chlorides. This method extends the scope of enyne cyclizations and represents a new synthetic application of arylsulfonyl chlorides.

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Bibliographische Detailangaben
Veröffentlicht in:	Angewandte Chemie International Edition 2013-01, Vol.52 (5), p.1535-1538
Hauptverfasser:	Deng, Guo-Bo, Wang, Zhi-Qiang, Xia, Jia-Dong, Qian, Peng-Cheng, Song, Ren-Jie, Hu, Ming, Gong, Lu-Bin, Li, Jin-Heng
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkenes - chemistry Alkynes - chemistry arylsulfonyl chlorides Catalysis Chlorides Cyclization cyclizations enynes Fluorenes - chemical synthesis Fluorenes - chemistry Light Oxidation-Reduction ruthenium Ruthenium - chemistry Sulfinic Acids - chemistry visible-light photocatalysis
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Beschreibung
Zusammenfassung:	Ray of light: 10a,11‐Dihydro‐10H‐benzo[b]fluorenes were synthesized by a visible‐light‐catalyzed tandem cyclization of 1,6‐enynes with arylsulfonyl chlorides. This method extends the scope of enyne cyclizations and represents a new synthetic application of arylsulfonyl chlorides.
ISSN:	1433-7851 1521-3773
DOI:	10.1002/anie.201208380