
Journal of Organic Chemistry p. 10175 - 10177 (2003)
Update date:2022-07-30
Topics:
Bellina, Fabio
Colzi, Francesca
Mannina, Luisa
Rossi, Renzo
Viel, Stephane
6-Exo-dig and/or 7-endo-dig iodocyclization reactions of functionalized acetylenic derivatives with ICl are disfavored in comparison with the corresponding electrophilic addition reactions providing regioselectively (E)-1-chloro-2-iodoethene derivatives. On the contrary, 6-endo-dig and 5-exo-dig iodocyclizations of methyl ynoates with ICl seem to be favored in comparison with the corresponding electrophilic addition reactions.
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