Abstract: This chapter summarizes the information on all types of cross-metathesis reaction involving only acyclic compounds. The simplest example of a productive cross-metathesis reaction between acyclic olefins is that between ethene and but-2-ene. In this case, only one product is possible, apart from cis/trans isomerization of the but-2-ene; the equilibrium mixture thus consists of four compounds. Counting the cis/trans isomers of the reactants as well means that the equilibrium mixture will contain 20 different compounds. Side reactions, such as double-bond shift reactions, complicate the situation still further. The main value of cross-metathesis reactions, apart from their use in the proof of mechanism, lies in their application to the synthesis of olefins, which are otherwise expensive or difficult to prepare. A number of higher olefins, useful as insect sex attractants are made in this way. Cross-metathesis between cyclic and acyclic compounds is discussed.
Publication Year: 1997
Publication Date: 1997-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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