5.5- Disubstituted-2,2 -bisbenzofuran derivatives

Benzo[l)]furan-6-carbonitrile and 6-cyanobenzo[l>]furan-2-boronic acid pinacol ester were prepared in the presence of Cu. (13SC1974) 2-Substituted benzo[ ]furans were synthesized by employing easily accessible A/-tosylhy-drazones and o-hydroxy or o-amino phenylacetylenes as substrates. (13OBC1490) One-pot access to either 2-naphthols or benzo[l>]furans via the aerobic Wacker-type oxidation/intramolecular aldol cyclization was accomplished. (13T1532 ) 5,5-Disubstituted-2,2 -bisbenzofuran derivatives were produced by treatment of 4-substituted-2-(2-trimethylsilylethynyl) phenyl tert-butyldimethylsilyl ether analogues with CuCl as a catalyst (13TL2655). 

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See also in sourсe #XX -- [ ]

See also in sourсe #XX -- [ ]

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