Process for the Preparation of Chromones, Isoflavones and Homoisoflavones Using Vilsmeier Reagent Generated from Phthaloyl Dichloride and DMFReportar como inadecuado




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Vilsmeier reagent formed from phthaloyl dichloride and DMF was found to be very effective for converting 2-hydroxyacetophenones, deoxybenzoins and dihydrochalcones into corresponding chromones, isoflavones and homoisoflavones with excellent yield. This method offers significant advantages such as efficiency and mild reaction conditions with shorter reaction time.

KEYWORDS

Phthaloyl Dichloride, Dimethylformamide, Chromones, Isoflavones, Homoisoflavones, BF3·Et2O, Vilsmeier Reagent

Cite this paper

Yadav, S. 2014 Process for the Preparation of Chromones, Isoflavones and Homoisoflavones Using Vilsmeier Reagent Generated from Phthaloyl Dichloride and DMF. International Journal of Organic Chemistry, 4, 236-246. doi: 10.4236-ijoc.2014.44027.





Autor: Santosh Kumar Yadav

Fuente: http://www.scirp.org/



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