Metallation of Hetero-Substituted Unsaturated Systems
This chapter deals with the generation of polar organometallic intermediates of the type , and in which X represents a group containing a heteroatom directly linked to the double-bond system. Practically all these polar metal derivatives are generated by direct metallation of the corresponding unsaturated systems , and or the isomeric systems and . The intermediates in which X is halogen (mostly chlorine) are stable only at very low temperatures .
KeywordsHexane Thiol Butadiene Trichloroethene Thioether
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© Springer-Verlag Berlin Heidelberg 1987