910895-90-8Relevant articles and documents
A general approach to polysubstituted pyrroles
Knight, David W.,Rost, Heinz C.,Sharland, Christopher M.,Singkhonrat, Jirada
, p. 7906 - 7910 (2007)
Exposure of a range of 3-hydroxy-2-sulfonylamino-4-alkynes to excess iodine delivers good yields of a series of iodopyrroles. Unexpectedly, the hydroxyl-dihydropyrroles, which were assumed to be the first-formed intermediates, turn out to be stable entities which have been isolated for the first time.