TY - JOUR
T1 - Disproportionation of 1,3-cyclohexadiene and 1,2-dihydronaphthalene derivatives by a silica-bound dirhodium catalyst
AU - Eisen, Moris
AU - Korpal, Tania
AU - Blum, Jochanan
AU - Schumann, Herbert
N1 - Funding Information:
We thank the Deutsche Forschungsgemeinschaft and the Fonds der chemischen Industrie for financial support of this study, as well as Degussa for a valuable gift of rhodium chloride.
PY - 1990/7/15
Y1 - 1990/7/15
N2 - Silica-bound cis-dicarbonyl-μ-chloro [μ-[2-(trioxysilyl)ethanethiolato-S:S]bis[tris(1,1-dimethylethyl)phosphine]dirhodium (1) was shown to catalyze the disproportionation of 1,3-cyclohexadiene and of 1,2-dihydro-naphthalenes, accompanied by ≤10% dehydrogenation. The formation of tetralins and naphthalenes was found to be strongly affected by the electronic nature of the starting 1,2-dihydronaphthalene derivatives. The effect of hydroxylic solvents on the disproportionation reaction was demonstrated by application of CD3OD. A mechanism which involves both metallic centers of the dinuclear complex is proposed.
AB - Silica-bound cis-dicarbonyl-μ-chloro [μ-[2-(trioxysilyl)ethanethiolato-S:S]bis[tris(1,1-dimethylethyl)phosphine]dirhodium (1) was shown to catalyze the disproportionation of 1,3-cyclohexadiene and of 1,2-dihydro-naphthalenes, accompanied by ≤10% dehydrogenation. The formation of tetralins and naphthalenes was found to be strongly affected by the electronic nature of the starting 1,2-dihydronaphthalene derivatives. The effect of hydroxylic solvents on the disproportionation reaction was demonstrated by application of CD3OD. A mechanism which involves both metallic centers of the dinuclear complex is proposed.
UR - http://www.scopus.com/inward/record.url?scp=0025456257&partnerID=8YFLogxK
U2 - 10.1016/0304-5102(90)85189-O
DO - 10.1016/0304-5102(90)85189-O
M3 - 文章
AN - SCOPUS:0025456257
SN - 0304-5102
VL - 61
SP - 19
EP - 25
JO - Journal of Molecular Catalysis
JF - Journal of Molecular Catalysis
IS - 1
ER -