4.6 Article

Enantioselective [4+2] Cycloadditions of 2-Vinyl-1H-indoles with 3-Nitro-2H-chromenes Catalyzed by a Zn(OTf)2/Bis(oxazoline) Complex: An Efficient Approach to Fused Heterocycles with a Quaternary Stereocenter

Journal

CHEMISTRY-AN ASIAN JOURNAL
Volume 7, Issue 3, Pages 493-497

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201100820

Keywords

cycloaddition; enantioselectivity; heterocycles; indoles; Lewis acid catalysis

Funding

  1. National Science Foundation of China [20872043, 21072069, 21002036]
  2. National Basic Research Program of China [2011CB868603]
  3. Program for Changjiang Scholars and Innovative Research Team in University [IRT0953]

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