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N‐Heterocyclic Carbene‐Catalyzed Annulation of Ylides with Ynals: Direct Access to α‐Pyrones
Author(s) -
Lang Ming,
Jia Qianfa,
Wang Jian
Publication year - 2018
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201800595
Subject(s) - annulation , carbene , catalysis , chemistry , substrate (aquarium) , combinatorial chemistry , scope (computer science) , functional group , stereochemistry , organic chemistry , biology , computer science , ecology , polymer , programming language
We herein report an N‐Heterocyclic Carbene (NHC)‐catalyzed annulation of ylides with ynals that provides an efficient protocol to make 4,6‐disubstituted α‐pyrones. This method affords a variety of α‐pyrones in good to high yields as well as broad substrate scope and good functional group tolerance.
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