The C2-symmetric compound 2,3,2,3-tetrahydro-2,2-bi(benzo[b]thiophenyl) and three diastereomeric bis(oxide) derivatives can be synthesized in a few steps from benzo[b]-thiophene by oxidative homocoupling of (R)-2,3-dihydro-benzo[b]thiophene 1-oxide. This new family of enantiopure bis(thioether) and bis(sulfoxide) ligands forms stable chelating PdII complexes. The fused pentacyclic structure of the complexes imparts a rigid chiral environment around the metal centre. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)
New Enantiopure Bis-Thioether and Bis-Sulfoxide Ligands from Benzothiophene
F Mingoia;G Giambastiani;
2005
Abstract
The C2-symmetric compound 2,3,2,3-tetrahydro-2,2-bi(benzo[b]thiophenyl) and three diastereomeric bis(oxide) derivatives can be synthesized in a few steps from benzo[b]-thiophene by oxidative homocoupling of (R)-2,3-dihydro-benzo[b]thiophene 1-oxide. This new family of enantiopure bis(thioether) and bis(sulfoxide) ligands forms stable chelating PdII complexes. The fused pentacyclic structure of the complexes imparts a rigid chiral environment around the metal centre. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)File in questo prodotto:
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