Browsing by Subject "catalysis"
Now showing items 1-20 of 27
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(2012-07-16)This dissertation is written in two parts. The first pertains to polycarbonate and polyester synthesis using relatively benign processes. The synthesis of polycarbonates from the coupling of CO2 and epoxides catalyzed ...
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(2017-08-16)Due to the utility of organoboron reagents in the synthesis of pharmaceuticals and other industrially relevant compounds, the transition metal-catalyzed C-H borylation of organic molecules has become a very popular area ...
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(2019-03-18)Graphene and carbon nanotubes exhibit extraordinary and diverse properties, and therefore these nanomaterials are finding an increasing number of applications in many industries. However, the major obstacle in the integration ...
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(2019-10-01)The use of Z-ligands to modulate the electronic property of transition metal centers is a powerful strategy in catalyst design. Our group has shown that antimony-based ambiphilic ligand, accept electron density from adjacent ...
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(Texas A&M University, 2004-09-30)The research in this dissertation examines the chemistry and applications of dendrimers in homogeneous catalysis. We examined interactions between dendrimers and charged probe molecules, prepared dendrimer-encapsulated ...
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(Texas A&M University, 2004-09-30)Soluble polymers as supports are gaining more attention now. Developing new polymers, new reagents and catalysts, new separation systems are thus of great interest as these sorts of materials' applications in synthesis and ...
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(2010-07-14)A prominent goal of scientists is to develop products and processes to meet the ever-growing needs of society. Today's needs include products that are economical, specialized, and made through processes with minimal impact ...
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(2017-09-07)In this dissertation, the development of highly effective, chiral monofunctional and bifunctional hydrogen bond donor catalysts based on cobalt(III) Werner complexes and their applications in enantioselective catalysis ...
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The Development of Werner-type Cobalt Complexes in Enantioselective Hydrogen Bond Mediated Catalysis (2013-12-03)Chiral-at-metal Werner complexes of the type (Λ/∆)-[Co(1,2-diamine)_(3)]^(3+) 3X^(–)have long been a cornerstone of coordination chemistry. However, despite being inexpensive and readily available in enantiopure ...
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(2010-07-14)?The body of this work spans both fundamental organometallic chemistry and the application of previously studied catalyst systems to produce new polymeric materials. The cone angle of triphenylphosphite was estimated ...
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Hemi-Labile, Redox Active Metallodithiolates as Ligands for Bioinspired Proton Reduction Catalysts (2017-12-08)The versatile organometallic type active sites in biology that harbor intact metallo-sulfur units are key The versatile organometallic type active sites in biology that harbor intact metallo-sulfur units are key inspirations ...
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(2016-04-05)This thesis will explore two different facets of the quest for superior immobilized catalysts: (1) cyclotrimerization of acetylenes with nickel catalysts and (2) solid-state NMR studies of the adsorption and subsequent ...
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(Texas A&M University, 2005-08-29)Transition metal catalyzed reactions have an important place in synthetic chemistry, but the mechanistic details for many of these reactions remain undetermined. Through a combination of experimentally determined 13C kinetic ...
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(2020-01-08)Roseoflavin is a bright red-colored anti-vitamin biosynthesized by Streptomyces davawensis and Streptomyces cinnabarinus. It is the only naturally occurring riboflavin analog that exhibits antibiotic properties. Earlier ...
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(2009-05-15)Asymmetric hydrogenation as a general route to polypropionates has been explored for allylic alcohols, acids, and derivatives, which has led to the generation of 2,4-dimethylated hexane derivatives. Quantitative yields in ...
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(2018-11-29)Organoantimony(V) compounds are potent Lewis acids which have been used for the complexation of anions or for the catalysis of organic reactions. Inspired by the broad range of applications developed for the stable Group ...
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(2016-06-30)It is known that SbF5 and SbCl5 are highly robust and show stronger acidic behavior than their boron counterparts, BF3 and BCl3, respectively. This effect is caused by the polarizability and the electropositivity of these ...
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(2016-08-04)Carbon dioxide is a major anthropogenic greenhouse gas and one of the biggest causes of global climate change. Utilization of CO2 to produce chemicals is an interesting proposition to mitigate its negative impact. However, ...
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(2009-05-15)Soluble polymers that have phase selective solubility are useful in synthesis because they simplify purification and separation. Such selectively soluble polymers simplify catalyst, reagent, and product recovery and enable ...
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(2016-05-19)The use of soluble polymer-supported catalysts in homogeneous catalysis has received heightened attention in the past few decades. Previous studies have shown that PIB oligomers have an excellent phase-selective solubility ...