Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2016, Issue 17, Pages 2929-2932Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201600334
Keywords
Cycloaddition; Fused-ring systems; Nitrogen heterocycles; Arynes; Protecting groups
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Funding
- National Natural Science Foundation of China (NSFC) [21102043]
- Fundamental Research Funds for the Central Universities
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A direct synthetic strategy for the construction of benzo[e]indoles by Diels-Alder reaction of 2-vinylpyrroles and arynes was developed. By introducing CHPh2 as the N-protecting group, the arynes selectively reacted with the external vinyl group instead of the pyrrole ring itself. A series of substituted benzo[e]indoles were afforded with high selectivity in good yields.
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