Unsymmetrically disubstituted ferrocenes. Part XI. The effect of solvent and metallating agent on the lithiation of 2-ferrocenylpyridine
- 1 January 1971
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- p. 3341-3344
- https://doi.org/10.1039/j39710003341
Abstract
The reaction of 2-ferrocenylpyridine with n-butyl-lithium in light petroleum, in tetrahydrofuran, and in NNN′N′-tetramethyl-1,2-diaminoethane gave a different range of products in each solvent. The same ferrocene was also metallated by t-butyl-lithium and by methyl-lithium in diethyl ether. Both metallation and addition across the carbon–nitrogen double bond were achieved with the former reagent; the latter behaved only as a metallating agent.Keywords
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