Synthetic Communications p. 2805 - 2814 (2019)
Update date:2022-08-29
Topics:
Vimal, Manorama
Pathak, Uma
Halve, Anand Kumar
A new synthetic strategy utilizing POCl3-water for the conversion of 2′-hydroxychalcones to flavanones and flavones has been developed. The reagent efficiently promoted one-pot conversion of 2′-hydroxychalcones to flavones through flavanones involving cyclization and oxidative dehydrogenation. By changing the stoichiometery of the reagents, the reaction can be tuned to generate either flavanone or flavone. The developed protocol was found to be applicable for a variety of 2′-hydroxychalcones.
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Doi:10.1002/cssc.202100184
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