Synthesis of Functionalized 2‐Oxo‐2H‐benzo[h]chromene‐3‐carbonitriles from 1‐Tetralones

T Ghatak, I Althagafi, M Chahal, M Nath… - …, 2023 - Wiley Online Library
We have developed a facile oxidative approach for the synthesis of C‐4 functionalized 2‐
oxo‐2H‐benzo [h] chromenes. The required precursors, 4‐(methylthio)‐2‐oxo‐5, 6‐dihydro …

A formal [3+ 3] cycloaddition of allenyl imide and activated ketones for the synthesis of tetrasubstituted 2-pyrones

YH Wang, DH Zhang, ZH Cao, WL Li, YY Huang - RSC advances, 2021 - pubs.rsc.org
CsOH· H2O-catalyzed formal [3+ 3] cycloadditions of allenyl imide with β-ketoesters, 1, 3-
diketones or β-ketonitriles for the synthesis of tetrasubstituted 2-pyrone derivatives have …

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F Pyranones - Elsevier