Organometallic Chemistry

Paper Code: 
CHY 322
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

To learn a know how among the students on the application potential of coordination compounds in catalysis and to acquaint them with the promising future of organotransition metal chemistry in industrial, biological and environmental fields.

 

10.00
Unit I: 
Introduction to Organometallic Compounds

Types of transition metal to carbon bonds. Classification of organometallic compounds 

based on hapticity and polarity of M-C bond.   Nomenclature and general characteristics, Electron  counting (16 and 18  electron rules)

Routes of synthesis for s-alkyls and aryls of  transition metals, stability of organometallic compounds and decomposition  pathways; organocopper in organic synthesis.

10.00
Unit II: 
Metal-Carbon Multiple Bonded Organometallics-I

Preparation, properties, structure and bonding of -carbene and carbyne complexes( both Fischer and Schrock types), nucleophilic and electrophilic reactions on the ligands,     role in organic synthesis.

13.00
Unit III: 
Metal-Carbon Multiple Bonded Organometallics-I

Preparation properties, structure and bonding of h4- diene complexes, h5- dienyl           complexes, h6- arene & triene complexes( nucleophilic and electrophilic substitution),     fluxionality and dynamic equilibria in such as h2- olefin,  h3- allyl  and  h5-dienyl   complexes.

 

15.00
Unit IV: 
Catalysis by Organotransition Metal Complexes

Principles and Important Reactions of Transition Metal Organometallics: Co-ordinative     unsaturation oxidative addition, insertion and product isolation (reductive elimination and β- elimination).

Homogeneous catalysis: Hydrogenation of alkenes, hydrosilylation of alkenes, metathesis of alkenes, oligomerization and polymerization of alkenes and alkynes, hydroformylation of  alkenes, acetic acid synthesis and other carbonylation reactions, oxidation reactions of alkenes.

Heterogeneous catalysis: Fischer Tropsch process- Methanation reaction, synthesis of     methanol, gasoline production, water gas shift reaction, role of Zno/Cr2O3 in the reaction, acetic acid synthesis, role of CO catalyst.

12.00
Unit V: 
Metal π-Complexes

Metal carbonyls: preparation, properties, structure and bonding with special reference to    dinuclear and polynuclear carbonyls; vibrational spectra of metal carbonyls (bridging and terminal) for bonding and structural elucidation, dinitrogen and dioxygen complexes; metal carbonyl clusters.

 

Essential Readings: 
  1. The Organometallic Chemistry of the Transition Metals; Fourth Edition; R. H. Crabtree;  John Wiley and Sons, INC., New Jersey, 2005.
  2. Organometallic Chemistry: A Unified Approach; Second Edition; R.C. Mehrotra and A.Singh; New Age International Private Limited, New Delhi, 2005.
  3. Inorganic Chemistry; Third Edition; G. L. Miessler and D. A. Tarr; Pearson Education Inc., Singapore, 2005.
  4. Inorganic Chemistry, Principles of Structure and Reactivity; Fourth Edition; J. E. Huheey, E.A. Keiter and R.L. Keiter; Harper Collins, 2001.
  5. Advanced Inorganic Chemistry; Fifth and Sixth Edition; F.A. Cotton and G. Wilkinson; John Wiley and Sons, New York, 2003.
  6. Concepts and Models of Inorganic Chemistry; Third Edition; B. Douglas, D. McDaniel; John Wiley and Sons, Singapore, 2001.

 

Academic Year: