Syntheses, Structures and Catalytic Application of Earth Abundant Metal Complexes Stabilized by P-N Ligands with Chalcogens & Borane Donors

Bhattacharjee, J and Panda, Tarun K (2017) Syntheses, Structures and Catalytic Application of Earth Abundant Metal Complexes Stabilized by P-N Ligands with Chalcogens & Borane Donors. PhD thesis, Indian institute of technology Hyderabad.

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Green chemistry, also called sustainable chemistry, is an important area of chemistry as well as chemical engineering that focused on the designing of catalyst or the processes that minimize the use and generation of hazardous substances. To maintain the sustainable production of chemicals in any modern industrial processes it requires high efficiency in any catalytic reactions, by minimizing by-products and wastes also at the same time the metal which is used as a catalyst should be cheaper, earthabundant, environmental friendly and non-toxic in nature. Thus introducing this earthabundant metals as a novel catalysts, allows us to readily access a host of applications with lower environmental impact. Chemistry of alkaline-earth metals and early transition metals such as titanium are less developed and need to explore more. Due to earth abundant in nature of the alkaline-earth metals and titanium metal, make it inexpensive, easily accessible along with its low toxicity and biocompatibility make it attractive for various type of application in chemical synthesis. Additionally, it can able to show as a versatile catalyst for a broad spectrum of reactions including polymerization reactions of cyclic esters, styrene and dienes, epoxidation of alkenes, hydrofunctionalization reactions and also atom economical reaction, cross-dehydrocoupling of silanes and amines, hydroelementation (such as hydroamination, hydrophosphination, hydrosilylation and hydroboration) reactions of alkenes and alkynes. In my dissertation work, I have primarily focused on the syntheses and structural characterization of well-defined homo- and heteroleptic alkaline-earth and early transition (group IV) metal complexes supported by novel bulky bis- phophinamino chalcogenides and boranes ligands in their coordination sphere as multi-dentate chelating ligands. All newly prepared homoleptic and heteroleptic metal complexes were utilized as active pre-catalysts in atom economical reactions such as hydroelementation (hydroamination, hydrophosphination, hydrosilylation) reactions etc also followed by ring opening polymerization of cyclic esters and amides.

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IITH Creators:
IITH CreatorsORCiD
Panda, Tarun K
Item Type: Thesis (PhD)
Subjects: Chemistry
Divisions: Department of Chemistry
Depositing User: Team Library
Date Deposited: 22 Nov 2018 08:13
Last Modified: 21 Sep 2019 05:39
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