Course Objectives: The learners should be able to analyze the mechanism of selected catalytic organic reactions from the structure-bonding aspects and reactivity of simple organometallic compounds
Learning Outcomes: At the end of the course, the learners should be able to:
Identify the structure and bonding aspects of simple organometallic compounds
Apply different electron counting rules to predict the shape/geometry of low and high nuclearity metal carbonyl clusters
Identify the different types of organometallic reactions and apply the above concepts to explain different catalytic reactions
Organometallic chemistry of d-block elements: 18-electron rule, concept of hapticity; synthesis, structure and bonding of homo and heteroleptic metal-carbonyls, nitrosyls, alkyls, alkenes, allyl, alkynes, and arenes. Synthesis and reactivity of Fischer and Schrock carbenes.
Infrared spectra of metal carbonyls and olefins.
Neutral spectator ligands: phosphines and N-heterocyclic carbenes.
Metal clusters, Low and high nuclearity clusters, clusters having interstitial atoms, electron counting schemes:
polyhedral skeletal electron pair theory/Mingo’s rule.
Structure and Isolobal analogies.
Metallocenes and bent-metallocenes.
Fluxionality and dynamics in organometallic chemistry
Reactions of organometallic complexes: Substitution, oxidative addition, reductive elimination, insertion and deinsertion.
Catalysis: Organometallic catalysts, Terminology in catalysis: Turnover, turnover number (TON), turnover frequency (TOF). Hydrogenation, Hydroformylation, Monsanto process, Wacker process, Ziegler-Natta polymerization, C-C coupling reactions, Olefin Metathesis and metathesis polymerization
Organometallic compounds of s-block elements: Organo-lithium, beryllium and magnesium compounds