Tetrahedron

Substitution in the cyclopentadienide anion series: Methylation of the cyclopentadienide and methylcyclopentadienide anions

S McLean, P Haynes

文献索引：McLean,S.; Haynes,P. Tetrahedron, 1965 , vol. 21, p. 2313 - 2327

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被引用次数: 70

摘要

It is shown that the cyclopentadienide anion can undergo an electrophilic substitution. In methylation reactions it was possible to stop the reaction at the intermediate 5-substituted cyclopentadiene stage. In the methylcyclopentadienide anion, the methyl group directs an electrophile to the adjacent carbon atom.