52498-16-5Relevant academic research and scientific papers
Transformation of zirconocene-olefin complexes into zirconocene allyl hydride and their use as dual nucleophilic reagents: Reactions with acid chloride and 1,4-diketone
Fujita, Kazuya,Yorimitsu, Hideki,Shinokubo, Hiroshi,Oshima, Koichiro
, p. 6776 - 6783 (2007/10/03)
Zirconocene-olefin complexes Cp2Zr(H2C=CHR), prepared in benzene-THF at 0 °C, react with acid chlorides to provide homoallylic alcohols. The key is an equilibrium between the zirconocene-olefin complexes and the corresponding zircono
Highly diastereoselective tandem reduction-allylation reactions of 1,4-diketones with zirconocene-olefin complexes
Fujita, Kazuya,Shinokubo, Hiroshi,Oshima, Koichiro
, p. 2550 - 2552 (2007/10/03)
Terminal alkenes act as dual nucleophiles in a zirconocene-mediated, highly 1,4-diastereoselective, tandem reduction-allylation reaction of 1,4-diketones. A zirconocene-alkene complex (in equilibrium with an allyl-zirconocene-hydride species) can deliver both hydride and an allyl group to a diketone, with control of the relative configuration of up three new stereogenic centers (see scheme).
