138825-21-5Relevant articles and documents
Two routes of tantalum-catalyzed alkene carbomagnesiation with ethyl Grignard reagents
Sultanov, Rifkat M.,Dzhemilev, Usein M.,Samoilova, Elena V.,Ismagilov, Ruslan R.,Khalilov, Leonard M.,Popod'Ko, Natal'Ya R.
experimental part, p. 5 - 8 (2012/09/07)
Carbomagnesiation of 1-alkenes with EtMgX (X = Cl, Et) has been implemented in the presence of TaCl5 as a catalyst to give a mixture of 2-(R-substituted)- and 3-(R-substituted)-n-butylmagnesiums (5:4 ratio) ina total yield of 98%. The probable