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Full-Text Articles in Physical Sciences and Mathematics
The Synthesis And Characterization Of 9,10-Bis-(Iodoethynyl)Anthracene For 2d Molecular Crystals From Halogen-Bonding, Nehemiah Antoine
The Synthesis And Characterization Of 9,10-Bis-(Iodoethynyl)Anthracene For 2d Molecular Crystals From Halogen-Bonding, Nehemiah Antoine
Honors Theses
Two-dimensional crystals have unique properties, giving them the potential to develop practical items such as electronics, biomedicine, and sensors. Our goal is to use chemical principles to synthesize molecules that spontaneously form 2D crystals with designed patterns and properties. For this, we will exploit directional, non-covalent interactions to determine what pattern will form in 2D. In this project halogen-bonding will be utilized: halogen-bonding is the interaction between the electrophilic region of a halogen and a nucleophilic region of a Lewis base. We are functionalizing anthracenes with iodine and nitrogen to form halogen bonds that enable the molecules to pack more …
Synthesis, Characterization, And Reactivity Of Organometallic Complexes For Catalytic Carbon-Hydrogen Bond Activation, Sophia Neglia
Synthesis, Characterization, And Reactivity Of Organometallic Complexes For Catalytic Carbon-Hydrogen Bond Activation, Sophia Neglia
Honors Theses
Styrene can be produced directly from benzene and ethylene through an atom economical oxidative hydroarylation process. In this process, an electrophilic homogeneous transition metal catalyst activates the C-H bond in benzene. I propose to explore this reaction in two fronts: 1) the synthesis of electron-poor trans-spanning bidentate pyridine ligands and 2) the computational study of pyridine-functionalized bidentate diimines. The trans-spanning ligand will utilize either a Ru(II) or Co(III) metallohinge with cis-coordinated 2-ethynylpyridine ligands. The complex [(p-cym)Ru(PMe3)(C2-2-py)2] (1) where (p-cym = para-cymene and C2-2-py = 2-ethynylpyridine) can be prepared from (p-cym)Ru(PMe3)(Cl)2 and HC2-2-py in the presence of lithium bis(trimethylsilyl)amide (LiHMDS). Complex …