Theses and Dissertations from UMD

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New submissions to the thesis/dissertation collections are added automatically as they are received from the Graduate School. Currently, the Graduate School deposits all theses and dissertations from a given semester after the official graduation date. This means that there may be up to a 4 month delay in the appearance of a give thesis/dissertation in DRUM

More information is available at Theses and Dissertations at University of Maryland Libraries.

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Author: search.filters.author.Kunsberg, David JosephSubject: search.filters.subject.Photochemistry

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    N-METHYL-4-PICOLINIUM IODIDE ESTERS AS VISIBLE LIGHT PHOTOREMOVABLE PROTECTING GROUPS FOR CARBOXYLIC ACIDS
    (2015) Kunsberg, David Joseph; Falvey, Daniel E.; Chemistry; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)
    Facile photorelease of carboxylic acids is performed through charge-transfer excitation of N-methyl-4-picolinium iodide esters. Photolysis reactions are carried out under mild, biphasic solvent conditions using a household LED lamp. Release is quantified by 1H NMR analysis and carboxylic acid release is reported in high yields. The viability of this method for synthetic chemistry is demonstrated through a macroscale photolysis. Additionally, the potential for solvent-independent NAP ester charge-transfer photolysis is explored.