Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 361, Issue 14, Pages 3446-3450Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201900327
Keywords
palladium catalysis; methylenecyclopropane; cyclization
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Funding
- National Basic Research Program of China [(973)-2015CB856603]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB20000000, sioczz201808]
- National Natural Science Foundation of China [20472096, 21372241, 21572052, 20672127, 21421091, 21372250, 21121062, 21302203, 20732008, 21772037, 21772226, 21861132014]
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A palladium(II)-catalyzed intermolecular cascade cyclization of methylenecyclopropanes with aromatic alkynes is reported in this paper. The reaction involves a migratory insertion of alkyne, an intramolecular Heck-type reaction, and beta-H elimination, providing a series of spirocyclic compounds containing indene and 1,2-dihydronaphthalene moieties in moderate to excellent yields upon heating.
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