On the scope of diastereoselective allylation of various chiral glyoxylic oxime ethers with allyltributylstannane in the presence of a Lewis acid and triallylaluminum

The nucleophilic allylation of various chiral auxiliaries derived glyoxylic oxime ethers was studied. The use of allyltributylstannane in the presence of a Lewis acid and triallylaluminum provided the corresponding homoallylic amines in high chemical yields (up to 89%) and excellent stereoselectivities (up to >99%). The stereochemical bias of the allylation is proposed.