Organic Letters
Letter
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Table 4. Synthesis of Benzoyloxazolidinones
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a
Reaction conditions: 2.5 mol % of Pd(OAc)2 and 2.5 mol % of Et3N
in DCE at room temperature for 18 h.
Scheme 2. Plausible Palladium-Catalyzed Cyclization
Mechanism
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Horino, Y.; Lex, J.; Schmalz, H.-G. Synlett 2006, 3309.
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Tetrahedron 2007, 63, 9153.
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Hoseop, Y.; Kang, E. J. J. Org. Chem. 2012, 77, 2924.
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Angew. Chem., Int. Ed. 2011, 50, 684.
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(16) (a) For a review on palladium-catalyzed oxidative
compounds using 2.5 mol % of Pd(OAc)2 along with 2.5 mol %
of NEt3 in DCE at room temperature.
carbocyclizations, see: Deng, Y.; Persson, A. K. Å.; Backvall, J. E.
̈
Chem.Eur. J. 2012, 18, 11498. (b) Deng, Y.; Bartholomeyzik, T.;
Backvall, J. E. Angew. Chem., Int. Ed. 2013, 52, 6283. (c) Deng, Y.;
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ASSOCIATED CONTENT
* Supporting Information
■
Backvall, J. E. Angew. Chem., Int. Ed. 2013, 52, 3217. (d) Jiang, M.;
̈
S
Jiang, T.; Backvall, J. E. Org. Lett. 2012, 14, 3538. (e) Deng, Y.;
̈
Experimental procedures and characterization data, including
Bartholomeyzik, T.; Persson, A. K. Å.; Sun, J.; Backvall, J. E. Angew.
Chem., Int. Ed. 2012, 51, 2703. (f) Jiang, T.; Persson, A. K. Å.; Backvall,
J. E. Org. Lett. 2011, 13, 5838. (g) Persson, A. K. Å.; Jiang, T.; Johnson,
̈
1
copies of H and 13H NMR spectra. This material is available
̈
M. T.; Backvall, J. E. Angew. Chem., Int. Ed. 2011, 50, 6155.
̈
(h) Persson, A. K. Å.; Backvall, J. E. Angew. Chem., Int. Ed. 2010, 49,
̈
AUTHOR INFORMATION
Corresponding Author
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4624. (i) Franzen, J.; Backvall, J. E. J. Am. Chem. Soc. 2003, 125, 6056.
(17) Alamsetti, S. K.; Persson, A. K. Å.; Jiang, T.; Backvall, J. E.
Angew. Chem., Int. Ed. 2013, 52, 13745.
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̈
Notes
The authors declare no competing financial interest.
ACKNOWLEDGMENTS
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Financial support from the Swedish Research Council and the
European Research Council (ERC AdG 247014) is gratefully
acknowledged.
REFERENCES
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(1) (a) Deyn, M. E.; Swern, D. Chem. Rev. 1967, 67, 197. (b) Ager,
D. J.; Prakash, I.; Schaad, D. R. Aldrichimica Acta 1997, 30, 3.
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