35564-15-9Relevant articles and documents
SYNTHESIS AND REARRANGEMENT OF DIARYL-HYDROXY-BENZOTHIOPHENS. A NEW SYNTHESIS OF 2,3-DIARYL-BENZOTHIOPHENS
Leardini, Rino,Tundo, Antonio,Zanardi, Giuseppe,Pedulli, Gianfranco
, p. 3381 - 3382 (2007/10/02)
The synthesis of some 2-hydroxy-2(H)-3,3-diaryl- and 3-hydroxy-3(H)-2,2-diaryl-benzothiophens (4) and (7) respectively is described; by acidic treatment these compounds readily rearrange to 2,3-diaryl-benzothiophens (5) in almost quantitative yields