ol402305b_si_002.cif (13.16 kB)
A Novel Tandem Sequence to Pyrrole Syntheses by 5-endo-dig Cyclization of 1,3-Enynes with Amines
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posted on 2016-02-18, 18:12 authored by Ganesan Bharathiraja, Sekarpandi Sakthivel, Mani Sengoden, Tharmalingam PunniyamurthyThe synthesis of pentasubstituted pyrroles has been described using molecular iodine from 1,3-enynes and amines via a sequential tandem aza-Michael addition, iodocyclization, and oxidative aromatization. The protocol is simple and efficient to afford the target products at ambient conditions.
