Search for dissertations about: "Organic chemistry Organisk kemi crown ether silica Intramoleculaf Diels-Alder reaction radical allyl"
Found 1 swedish dissertation containing the words Organic chemistry Organisk kemi crown ether silica Intramoleculaf Diels-Alder reaction radical allyl.
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1. Synthesis and Rearrangement of Epoxy Sugars
Abstract : Ring-Contraction of sugar-derived epoxy alcohols, functionalised in position 1 and 6, by treatment with lithium bromide and N, N, N', N'-tetramethylurea in refluxing toluene gave enantiomerically pure a,b-unsaturated aldehydes of furanosides. O-Glycosidic epoxy alcohols gave only one, easily purified, aldehyde in approximately 30-60% yield depending on the substitution pattern. READ MORE
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