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Sequential N‐Heterocyclic Carbene‐Catalyzed Reactions of Enals and Cyclic Aryldiene‐1,3‐Diones: Synthesis of Tricyclic Chromenones and Related Compounds
Author(s) -
Krishnan Jagadeesh,
Mathew Sneha,
Jayaprakash P. Anjana,
Sasidhar B. S.,
Mayadevi T. S.,
Suresh E.,
Nair Vijay
Publication year - 2016
Publication title -
asian journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.846
H-Index - 44
eISSN - 2193-5815
pISSN - 2193-5807
DOI - 10.1002/ajoc.201600419
Subject(s) - chemistry , knoevenagel condensation , carbene , pyran , quinoline , catalysis , tricyclic , organocatalysis , organic chemistry , medicinal chemistry , combinatorial chemistry , enantioselective synthesis
N‐Heterocyclic carbene (NHC)‐catalyzed synthesis of highly functionalized pyrano[3,2‐ c ]chromene‐2,5‐dione derivatives, pyrano[3,2‐ c ]quinoline‐2,5(6 H )‐dione derivatives, and pyrano[4,3‐ b ]pyran‐2,5‐dione derivatives with potential biological activities is reported. The reaction occurs through a Knoevenagel condensation and NHC‐catalyzed enolate addition in one pot.