1.
Beilstein J Org Chem
; 12: 16-21, 2016.
Article
in English
| MEDLINE
| ID: mdl-26877804
ABSTRACT
The cesium carbonate-mediated reaction of 2-bromoallyl sulfones and ortho-hydroxychalcones furnished 3-arylsulfonyl-4H-chromene derivatives in 58-67% yield (18 examples). 2-Bromoallyl sulfones functioned as synthetic surrogates for allenyl sulfones in the reaction.