Organic Letters
Letter
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sharing an all-carbon quaternary stereocenter in a highly efficient
manner applying a unified enantioselective approach. In
addition, the aforementioned strategy was also utilized for the
first total syntheses of (−)-pseudophrynamines 272A (3d) and
270 (3b).
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ASSOCIATED CONTENT
* Supporting Information
■
S
The Supporting Information is available free of charge on the
General experimental procedures and analytical data
AUTHOR INFORMATION
Corresponding Author
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Notes
The authors declare no competing financial interest.
ACKNOWLEDGMENTS
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Financial support from the CSIR [02(0013)/11/EMR-II] and
the DST (SR/S1/OC-54/2011), Govt. of India is gratefully
acknowledged. S.D., M.K.D., and S.B. thank the CSIR for SRFs.
(13) Wang, Y.-H.; Long, C.-L.; Yang, F.-M.; Wang, X.; Sun, Q.-Y.;
Wang, H.-S.; Shi, Y.-N.; Tang, G.-H. J. Nat. Prod. 2009, 72, 1151.
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