A.YASMIN; R.JAFRI; A.MALIK
(The Chemical Society Of Pakistan, 2000-03-16)
The catalytic activity of N,N-ethylenebis (salicylideneaminato) copper (II) during intramolecular cyclopropanation of unsaturated α-diazo-β-ketoester has been studied. The resulting bicyclic intermediate is the precursor ...