Asymmetric hydrodimerization of styrene by a chiral zirconium complex containing a tetradentate [OSSO]-type bis(phenolato) ligand |
| |
Authors: | Nunzia Galdi Orlando SantoroLeone Oliva Antonio ProtoCarmine Capacchione |
| |
Affiliation: | Dipartimento di Chimicae Biologia, Università degli Studi di Salerno, via Ponte don Melillo, Fisciano I-84084, Salerno, Italy |
| |
Abstract: | The chiral non racemic (Λ,R,R)-[OSSO]Zr(CH2Ph)2 (1a) activated by methylaluminoxane (MAO) and in presence of H2 produces the chiral hydrodimer (S)-1,3-diphenylbutane with good selectivity respect to the achiral 1,4-diphenylbutane. The absolute configuration of the chiral dimer and the effect of the hydrogen pressure on the ratio between 1,3-diphenylbutane and 1,4-diphenylbutane give useful information about the regiochemistry and stereochemistry of insertion of the styrene into the Zr–H bond. |
| |
Keywords: | Asymmetric catalysis Carbon&ndash carbon bond formation Styrene Zirconium |
本文献已被 ScienceDirect 等数据库收录! |
|