Reactions of arylsulfonyl compounds with an excess of an organolithium reagent 14. The action of organolithium reagents on tert-butyl pyridinyl sulfones

Autor:	M. A. Marakatkina, F. M. Stoyanovich, Ya. L. Gol'dfarb, R. G. Karpenko
Rok vydání:	1978
Předmět:	Sulfonyl chemistry.chemical_classification Tert butyl chemistry.chemical_compound Chemistry Reagent Organic chemistry General Chemistry Organolithium reagent Medicinal chemistry Sulfone
Zdroj:	Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 27:2469-2473
ISSN:	1573-9171 0568-5230
DOI:	10.1007/bf00941098
Popis:	1. The tert-butyl sulfonyl groups in tert-butyl pyridin-2-yl and pyridin-4-yl sulfones are replaced by butyl groups under the action of BuLi predominantly by the AEn mechanism, and in the case of tert-butyl pryidin-4-yl sulfone also partially by the “lithioaryne” mechanisms through the intermediate formation of 5-lithio-3,4-dehydropyridine. 2. The replacement of the sulfonyl group in tert-butyl pyridin-4-yl sulfone under the action of DIPA-Li takes place by the “lithioaryne” mechanism.
Databáze:	OpenAIRE
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