图书简介
The book is divided into two main parts: I): the in-depth presentation of the available homologating agents working under nucleophilic, electrophilic and radical regimes and, II) the rationale development and application of these reagents in methodological organic synthesis. Particularly care is devoted to mechanistic elements determining critical aspects (e.g. selectivity) of the transformation proposed. Each chapter documents detailed applications of the described strategy to natural products and pharmaceutical synthesis with the ultimate goal of offering not only a pure theoretical background, but rather a useful guide for designing effective transformations and establishing solid knowledge for future advancements in the area. Analogously, at the end of each chapter, a concluding section summarizing the current status of the discussed tactics, is included with an eye towards new challenging directions.
PART 1: REAGENTS FOR HOMOLOGATIONSDiazomethane and Diazo-Based ReagentsLithium Carbenoids Microfluidic Technology as a Tool for Implementing Short-Lived C1-Delivering AgentsMagnesium Carbenoids Zinc Carbenoids and Simmons-Smith-Type ProcessesCarbene-Transfer / Rearrangement SequencesOxenoidsSulfur-YlidesSulfoxonium-Ylides in C-H Activation TransformationsPhosporous-Ylides for C2, C3 and C4-HomologationsPART 2: HOMOLOGATION OF BORON-CONTAINING PLATFORMSa-Boryl CarbanionsTransition-Metal Free Homologation of Organoboron CompoundsStereospecific Reagent-Controlled Homologation of Boronic EstersAssembly-Line SynthesisPART 3: HOMOLOGATION OF DEFINED PLATFORMSFluorocarbon Chain HomologationStrategies for Accessing Fluorinated Elongated SkeletonsCarbonyl- and Aza-Carbonyl HomologationsHomologation-Functionalization of AldehydesRing Expansion MethodologiesRing Contraction Methodologies - DehomologationRadical-Based HomologationsAllenation of Terminal AlkynesUse of CO2 and CO as C1-Sources
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