Back to the first row: A surprisingly simple protocol involving chiral diphosphine complexes of cobalt(II) salts allows the highly enantioselective hydrovinylation of 1,3‐dienes in extremely high selectivities and yields.
Sharma, Rakesh K.; RajanBabu, T. V., Journal of the American Chemical Society, 2010, vol. 132, p. 3295 - 3297
作者:Sharma, Rakesh K.、RajanBabu, T. V.
DOI:——
日期:——
Cobalt-catalysed asymmetric hydrovinylation of 1,3-dienes
作者:Yam N. Timsina、Rakesh K. Sharma、T. V. RajanBabu
DOI:10.1039/c5sc00929d
日期:——
of bidentate 1,n-bis-diphenylphosphinoalkane-CoCl2 complexes Cl2Co[P~P]} and Me3Al or methylaluminoxane, acyclic (E)-1,3-dienes react with ethylene (1 atmosphere) to give excellent yields of hydrovinylation products. The regioselectivity (1,4- or...