Search for dissertations about: "Helena Lundberg"
Found 4 swedish dissertations containing the words Helena Lundberg.
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1. Amidst the green Metal-catalyzed amide formation from carboxylic acids
Abstract : This thesis describes novel methods for transition metal-catalyzed transformation of non-activated carboxylic acids to amides. It was found that 2-10 mol% of zirconium(IV) chloride or 10-20 mol% titanium(IV) isopropoxide catalyzed the formation of a range of secondary and tertiary amides in good to excellent yields (61-99%) in THF at 70-100°C, with molecular sieves present as water scavengers. READ MORE
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2. Group (IV) Metal-Catalyzed Direct Amidation : Synthesis and Mechanistic Considerations
Abstract : The amide unit constitutes the backbone of proteins, and it is present in a large number of pharmaceutically active molecules, polymeric materials such as nylon and Kevlar, as well as in food additives like aspartame. Amides are produced in enormous amounts every year, thus, environmentally friendly and selective methods for their formation are of great importance. READ MORE
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3. "Pre- versus Post Birth Parental Influences in the Formation of Health: Lessons from a Large Sample of Adoptees" and "Birth Order and Child Health"
Abstract : .... READ MORE
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4. Essays on Income Taxation and Wealth Inequality
Abstract : This thesis is concerned with inequality, redistribution and taxation, in particular the taxation of labour income and the distribution of wealth. Most of the analysis is focused on Sweden. The thesis consists of four self-contained essays.Essay 1: “Analyzing tax reforms using the Swedish Labour Income Microsimulation Model”. READ MORE