(NMCp)2TiCl2-catalyzed reduction of aliphatic, aromatic and α,β-unsaturated ketones by Grignard reagent

作者: Yongmin Zhang , Zuyao Hu

DOI: 10.1016/S0040-4039(00)80430-X

关键词: CatalysisTitaniumKetoneEnoneAliphatic compoundMetalloceneGrignard reagentChemistryBromideOrganic chemistry

摘要: Abstract Aliphatic, aromatic and α,β-unsaturated ketones were readily reduced to the corresponding secondary alcohols by iso-propylmagnesium bromide in presence of a catalytic amount bis(neomenthylcyclopentadienyl)titanium dichloride. A possible mechanism is discussed.

参考文章(6)
Yongmin Zhang, Jinlong Jiang, Yongqian Chen, Cp2TiCl2-catalyzed reaction of Grignard reagents with isocyanates, formation of carboxamide with rearranged carbonskeleton Tetrahedron Letters. ,vol. 28, pp. 3815- 3816 ,(1987) , 10.1016/S0040-4039(00)96392-5
E. Cesarotti, H.B. Kagan, R. Goddard, C. Krüger, Synthesis of new ligands for transition metal complexes: menthyl- and neomenthyl-cyclopentadienes Journal of Organometallic Chemistry. ,vol. 162, pp. 297- 309 ,(1978) , 10.1016/S0022-328X(00)81401-1
Fumie Sato, Takamasa Jinbo, Masao Sato, Cp2TiCl2-catalyzed grignard reactions. 2. Reactions with ketones and aldehydes Tetrahedron Letters. ,vol. 21, pp. 2171- 2174 ,(1980) , 10.1016/S0040-4039(00)78989-1
Zhang Shi-Zhong, Bei Mei-Zhi, Chen Hui-Lin, Guo He-Fu, A new reaction of formaldehyde with HCoN2(PPh3)3 Acta Chimica Sinica. ,vol. 5, pp. 103- 104 ,(1987) , 10.1002/CJOC.19870050114