Organic Letters
General experimental section; synthesis and character-
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ization of cyclobutanes; details on [2 + 2] cycloreversions;
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quenching experiments; hardcopy of NMR data for 2c, 3
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AUTHOR INFORMATION
Corresponding Author
■
Notes
The authors declare no competing financial interest.
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ACKNOWLEDGMENTS
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This project was supported by the Czech Science Foundation
(Grant No. 14-09190S), and Ministry of Education, Youth and
Sports of the Czech Republic (Specific university research No
20-SVV/2016). R.C. thanks the German National Science
Foundation (GRK 1626 “Chemical Photocatalysis”). Authors
thank Guillaume Hoffmann (University of Burgundy) for
measurement of fluorescence spectra and Dr. Irena Hoskovcova
(University of Chemistry and Technology, Prague) for her
assistance in cyclic voltammetry measurements.
C. B.; Saettel, N. J.; Cibulka, R.; Sax, M.; Konig, B. J. Org. Chem. 2004,
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