Elsevier, Tetrahedron Letters, 43(37), p. 7707-7710
DOI: 10.1016/0040-4039(96)01738-8
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lndolizidines 4,7 fused to both benzene and thiophene rings were synthesized via intramolecular aryl radical cyclization of enamide 3 or intramoleeular Heck reaction of enamidone 5.