10242-11-2, Name is 5-Bromobenzofuran-2-carboxylic acid, belongs to benzofurans compound, is a common compound. Formula: C9H5BrO3In an article, once mentioned the new application about 10242-11-2.
A novel method for the catalytic asymmetric dearomatization by visible-light-activated [2+2] photocycloaddition with benzofurans and one example of a benzothiophene is reported, thereby providing chiral tricyclic structures with up to four stereocenters including quaternary stereocenters. The benzofurans and the benzothiophene are functionalized at the 2-position with a chelating N-acylpyrazole moiety which permits the coordination of a visible-light-activatable chiral-at-rhodium Lewis acid catalyst. Computational molecular modeling revealed the origin of the unusual regioselectivity and identified the heteroatom in the heterocycle to be key for the regiocontrol.
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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H3926O – PubChem