NATO Science Series C

Early Days of Transition-Metal Carbene Complexes.- Carbyne to Carbene Conversion Reactions at Hetero-Nuclear Dimetal Centres.- Stable, Terminal Methylene (=CH2) Complexes of Ruthenium, Osmium and Iridium.- Metal-Mediated Cyclization of Alkynes and Carbenes: A New Route Toward Highly Substituted Cyclopentanoids.- N, N?,N?, N?-Functionalised Electron-Rich Alkenes and Their Role in Transition-Metal Chemistry.- Synthesis and Properties of Chlorotris(1,3 Dibenzylimidazolidin-2-Ylidene)Rhodium(I) and of Some Related Compounds.- Synthesis of Cyclic and Acyclic Carbene Complexes Derived from Isocyanide Ligands in Complexes of Palladium(II) and Platinum(II).- Hydridocarbene Complexes of Platinum(II) Derived from Electrophilic Cleavage of C-F Bonds in Hydridotrifluoromethyl Compounds by Proton Acids.- Potential Role of Metal-Carbene Complexes in the Development of Polymer-Supported Coordination Chemistry.- Carbene Complexes Derived from the Activation of Isocyanides and Alkynes by Electron-Rich Metal Centres.- Synthesis of Isonitrile Substituted Tungsten Carbyne Complexes and Their Reactions with Electrophiles.- Metal Carbene Complexes from Alkynes.- Carbene Ligands and Metal-Carbon-Sulfur Ring Compounds of Tungsten and Iron.- Synthesis and Reactions of ?2-Carbene Complexes.- Cyanocarbene Dinuclear Derivatives of Iron.- Organometallic Synthons for Anionic Thiocarbene and ?-Deprotonated Thione Complexes.- Opening of Oxirane and Oxetane Rings by the Conjugate Base of the Pentacarbonyl(Methoxy-Methyl)Chromium Complex in the Presence of BF3.Et2O.- Formation of Metal-Carbon Double Bonds by R3SiX Elimination.- Ligand Migrations to Coordinated Carbene.- New (Butadiene)Zirconocene Carbene Complex Chemistry.- Structure and Reactivity of the Tungsten Vinylcarbene Complexes [W(=CPh-CH=CRMe)Br2(CO)2L] (R = H,Me; L = 4-Picoline). Is the Vinyl Group Acting as a Pure ?-Donor Ligand?.- Dioxophosphinomethylidene Molybdenum(VI)Complexes.- Reactions of Benzylidene(Pentacarbonyl) Complexes.- In-Situ Generation of the Benzylidene Complex [Cp(CO)2W=CH(Tol)]+ and Its Reactions with Alkynes.- Carbene Complexes in Selective Organic Synthesis: Novel Applications of Carbene Annulation Reactions.- Formation of C=C Double Bonds by Novel Insertion Reactions of Allenes, Heterocumulenes and Acid Amides Into M=C Bonds of Fischer Carbene Complexes.- Photolytic Reactions of Chromium Carbene Complexes in the Synthesis of Optically Active, Biologically Active Compounds.- 53Cr Nuclear Magnetic Resonance Studies of Pentacarbonylchromium Carbene Complexes.- Synthesis, Structure and Reactivity of Highly Electrophilic Carbene Complexes of the Type C5H5(CO)(L)Fe=CHR+.- The Carbene Complex Route To Donor-Acceptor-Substituted Cyclopropanes.- Reaction between Pentacarbonylchromium or Tungsten Complexes of Carbenes and Terminal Phosphinidenes.- Alkene-Carbene Complexes of Tungsten and Chromium: Their Reaction with Alkynes.- Reactions of Acetylenes and Alkenes Induced by Catalysts of Olefin Metathesis.- The Reactions of Mo(NtBu)(=CHtBu)(CH2But)2 with Alcohols: Competition between Molybdenum to Carbon Single and Double Bond Reactivities.- The Metathesis Polymerization of Norbornene and Its Derivatives Initiated by Tungsten-Carbene Complexes: Relative Stability of the Intermediate Tungstenacyclobutane Complexes.- The Preparation and Reactivity of Several Alkylidene Complexes of the Type W(CHR?)(N-2, 6-C6H3-iPr2)(OR)2 and Related Tungstacyclobutane Complexes: How the Choice of or Ligand Controls Structure and Metathesis Activity.- On the Presence of Dichloro-W-Carbenes in Photo-Catalytic Olefin Metathesis Reactions.- Studies on Stoichiometric and Catalytic Metathesis and other Reactions of Imines with Fischer Type Carbene Tungsten Complexes. Part XVI.- Metathesis of Alkenes and Polymerisation of Alkynes with Heterogeneous and Homogeneous Schrock-Type Carbene Complexes. Part XVII.- Easily Accessible Methylene Complexes of Molybdenum and Tungsten: Structure and Application in Organic Synthesis.- Organometallic Reagents Prepared by the Reduction of Dihaloalkanes with Low Valent Titanium or Chromium.- Carbene Synthons in Monothioacetal Reactions.- The Determination of Electron Density Distributions in Organometallic Compounds - Recent Experimental Results.