116. Enantioselective syntheses of (+)-α-skytanthine, (+)-δ-skytanthine and (+)-iridomyrmecin by an intramolecular magnesium-ene reaction.
     Oppolzer, W.; Jacobsen, E. J.
     Tetrahedron Lett. 1986, 27, 1141-1144

Starting from (S)-3-methyl-1-penten-5-o1 3a enantiomerically pure (+)-α-skytanthine 9, (+)-δ-skytanthine 11 and (+)-iridomyrmecin 12 were synthesized via the magnesium-ene reaction 2 » 1.

DOI : 10.1016/S0040-4039(00)84199-4