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Browsing Theses - Chemistry by Title
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(Massachusetts Institute of Technology, 2011)A study of the effects of employing different solvents and the introduction of dihydrogen during the catalytic reduction of dinitrogen to ammonia with [HIPTN 3N]Mo complexes was completed. During a catalytic reaction, the ...
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(Massachusetts Institute of Technology, 1996)
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(Massachusetts Institute of Technology, 2007)The semiconducting properties of conjugated polymers are finding use in various optoelectronic applications, including chemical sensors and light-emitting diodes. In this thesis, we investigate aggregation in conjugated ...
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(Massachusetts Institute of Technology, 2002)Chapter 1. Molybdenum Dinitrogen Chemistry: Formation and Reactivity of (Ar[tBu]N)3MoN2- A collection of (Ar[tBu]N)3MoN2- compounds, supported with Na+, K+, Mg2+ and Ca2+ have been prepared through a variety of synthetic ...
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(Massachusetts Institute of Technology, 1894)
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(Massachusetts Institute of Technology, 2005)I. An improved Ullmann reaction for N- or O-arylation of 1,2-aminoalcohols with aryl iodides is described. The procedures enjoy several advantages over traditional methods: a substoichiometric amount of copper catalyst is ...
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(Massachusetts Institute of Technology, 2004)Chapter 1. A highly enantioselective catalyst for the asymmetric conjugate reduction of a,- unsaturated cyclic ketones was generated upon combination of catalytic amounts of CuCl, NaOt-Bu, and a chiral bis-phosphine with ...
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(Massachusetts Institute of Technology, 1952)
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(Massachusetts Institute of Technology, 1940)
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(Massachusetts Institute of Technology, 2005)My graduate research at MIT has been focused on the development of palladium- or nickel-catalyzed cross-coupling reactions using unactivated alkyl electrophiles (e.g., halides and sulfonates). Although aryl and alkenyl ...
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(Massachusetts Institute of Technology, 2007)Both adenosylcobalamin- and S-adenosylmethionine-dependent radical enzymes use a 5'-deoxyadenosyl radical intermediate to abstract a hydrogen atom from their substrates. In the case of adenosylcobalamin-dependent enzymes, ...
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(Massachusetts Institute of Technology, 2008)Natural products are a rich source of medicinally important molecules. Monoterpene indole alkaloids from plants are an especially important source of therapeutic molecules. Due to the complexity of these molecules, ...
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(Massachusetts Institute of Technology, 1997)
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(Massachusetts Institute of Technology, 2005)Metal ion homeostasis is critical to the survival of all cells, because requirements for these essential nutrients must be balanced with their toxicity when present at elevated concentrations. Regulation of nickel ...
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(Massachusetts Institute of Technology, 2008)Halogenated natural products are common and serve roles as hormones, pesticides, antibiotics, and anti-tumor agents. The incorporation of a halogen atom into an organic scaffold can tune the molecule's potency and selectivity, ...
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(Massachusetts Institute of Technology, 1990)
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(Massachusetts Institute of Technology, 1996)
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(Massachusetts Institute of Technology, 2011)The nitrogen-vacancy (N-V) center in diamonds have the potential to be an ultra-sensitive magnetic field sensor that is capable of detecting single spins. Implementing this sensor for general and nontransparent samples is ...
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(Massachusetts Institute of Technology, 1997)
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(Massachusetts Institute of Technology, 1994)
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