Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 55, Issue 8, Pages 2840-2844Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201510413
Keywords
cycloaddition; density-functional calculations; heterocycles; iron; ylides
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Funding
- National Natural Science Foundation of China [21232003, 21202053, 21472058, 21572074, 201422, CCNU15A02007, 2015CFA033]
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The first example of iron-catalyzed decarboxylative (4+ 1) cycloaddition reactions is described in this publication. By using this method, a wide range of functionalized indoline products were prepared from easily available vinyl benzoxazinanones and sulfur ylides in high yields and selectivities. A possible reaction pathway involving an allylic iron intermediate is discussed based on a series of control experiments and density-functional theory calculations.
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