Content: Olefin metathesis by well-defined complexes of molybdenum and tungsten / R.R.Schrock — Ruthenium-catalyzed metathesis reactions in organic synthesis / A. Furstner — Ring-closing metathesis in the synthesis of epothilones and polyether natural products / K.C. Nicolaou, N.P. King, Y. He — Catalytic ring-closing metathesis and the development of enantioselective processes / A.H. Hoveyda — Enyne metathesis / M. Mori — Cross-metathesis / Susan E. Gibson, S.P. Keen — Recent advances in ADMET chemistry / D. Tindall, J.H. Pawlow and K.B. Wagener — Bioactive polymers / L.L. Kiessling, L.E. Strong