kvalitet og kvantitet The Chemistry of Zirconacycles and 26Diazasemibullvalenes by Shaoguang Zhang mL8kDDXu

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In this thesis the author introduces two strategies used to construct various types of Nheterocycles based on the chemistry of zirconacycles and 26diazasemibullvalenes. In the first part the author presents the development of multicomponent cyclization of a zirconacyclobutenesilacyclobutene fused compound nitriles and unsaturated compounds. These reactions provide synthetically useful methodology for various Nheterocycles such as 3acyl pyrrole pyrrolo32dpyridazine and dihydropyrr