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An efficient and simple method for synthesis of 2,2-disubstituted-2H-chromenes by condensation of a phenol with a 1,1-disubstituted propargyl alcohol using BF3·Et2O as the catalyst |
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| Authors: | Sridhar Madabhushi Raveendra JillellaKondal Reddy Godala Kishore Kumar Reddy MalluChina Ramanaiah Beeram Narsaiah Chinthala |
| Affiliation: | Fluoroorganics Division, Indian Institute of Chemical Technology, Hyderabad 500607, India |
| Abstract: | An efficient and simple method for the synthesis of 2,2-disubstituted-2H-chromenes by one-step cyclocondensation of a phenol with a variety of 1,1-disubstituted propargyl alcohols using BF3·Et2O as the catalyst is described. |
| Keywords: | 2,2-Disubstituted-2H-chromenes Phenol Cyclocondensation 1,1-Disubstituted propargyl alcohol BF3· Et2O Lewis acid catalysis |
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