1192023-27-0Relevant articles and documents
Enantioselective copper-catalyzed reductive michael cyclizations
Oswald, Claire L.,Peterson, Justine A.,Lam, Hon Wal
supporting information; experimental part, p. 4504 - 4507 (2009/12/07)
In the presence of siloxanes as stoichiometric reductants, chiral copper-bisphosphine complexes catalyze highly enantioselective reductive Michael cyclizations of substrates containing two α,β-unsaturated carbonyl moieties. The diastereochemical outcome of these reactions Is dependent upon whether biaryl- or ferrocene-based chiral bisphosphines are employed.