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Palladium‐Catalyzed [2+2+1] Oxidative Annulation of 4‐Hydroxycoumarins with Unactivated Internal Alkynes: Access to Spiro Cyclopentadiene‐Chroman‐2,4‐dione Complexes
Author(s) -
Peng Shiyong,
Gao Tao,
Sun Shaofa,
Peng Yanhong,
Wu Minghu,
Guo Haibing,
Wang Jian
Publication year - 2014
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/adsc.201300893
Subject(s) - annulation , chemistry , cyclopentadiene , palladium , catalysis , oxidative phosphorylation , organic chemistry , medicinal chemistry , stereochemistry , biochemistry
Herein, we report our new results regarding a palladium‐catalyzed [2+2+1] oxidative annulation of 4‐hydroxycoumarins with unactivated internal alkynes, which affords a new class of compounds: the spiro cyclopentadiene‐chroman‐2,4‐diones.
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