Various polysubstituted, metalated olefins are easily prepared
from heterosubstituted alkenes such as vinyl enol ethers, vinyl
sulfides, sulfoxides and even sulfones in a one-step procedure. A
complete isomerization was observed in this process, which leads only
to the E isomer.
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1 Introduction
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1.1 Oxidative Metallation of Organic Halides
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1.2 Metal-Halogen Exchange
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1.3 Metal-Hydrogen Exchange
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1.4 Hydrometallation Reactions
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1.5 Carbometallation Reactions
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1.6 Transmetallation Reactions
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1.7 The Shapiro Reaction
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2 Limitations of these Methods
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3 Zirconocene Complexes in Organic Synthesis
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4 Discussion
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4.1 Vinylic Enol Ether into Vinylic Organometallic Derivatives
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4.1.1 Mechanistic Discussion
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4.2 Vinylic Thioenol Ether into Vinylic Organometallic
Derivatives
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4.3 Vinyl Sulfoxides into Vinylic Organometallic Derivatives
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4.4 Vinyl Sulfones into Vinylic Organometallic Derivatives
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5 Conclusions
sp2 organometallics - vinyl sulfides - vinyl sulfones - vinyl enol ethers - vinyl
sulfoxides - zirconocene complexes - stereoselectivity