Open AccessAn Efficient Carbonized Sugar Catalyzed Entry to 7,8-dihydro-2<i>H</i>-Chromen-5(6<i>H</i>)-ones
Author(s) -
Tabassum Siddiqui,
Pushkar Kulkarni,
Girdharilal B. Tiwari,
Zubaidha Pudukulathan
Publication year - 2021
Publication title -
journal of scientific research
Language(s) - English
Resource type - Journals
eISSN - 2070-0245
pISSN - 2070-0237
DOI - 10.3329/jsr.v13i3.52614
Subject(s) - carbonization , catalysis , acetic acid , yield (engineering) , sugar , chemistry , solvent , combinatorial chemistry , organic chemistry , solid acid , materials science , adsorption , metallurgy
The present paper describes a facile entry to various substituted 7,8-dihydro-2H-chromen-5-ones under neat conditions using simple carbonized sugar as a catalyst. The reaction was promoted by visible light under neat or in acetic acid as a solvent with a catalyst to afford the desired products in good to excellent yield. Mild conditions coupled with ease of operation make the protocol synthetically attractive and may find widespread application for the synthesis of chromenone scaffold.