Beilstein J. Org. Chem.2015,11, 1649–1655, doi:10.3762/bjoc.11.181
; radical cyclization; radical fragmentation; spiro-indoles; Introduction
Radical additions and cyclizations of ene-sulfonamides are useful reactions in a number of settings. The primary products of these reactions, α-sulfonamidoyl radicals, are often thought to undergo elimination reactions of sulfonyl
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Graphical Abstract
Figure 1:
(a) Radical reactions of ene-sulfonamides give diverse isolated products; (b) these products are of...