100447-23-2Relevant articles and documents
THIA-ACYLIMINIUM CYCLISATIONS. SYNTHESIS OF FIVE-MEMBERED RINGS AND MACROCYCLES
Hamersma, J. A. M.,Nossin, P. M. M.,Speckamp, W. N.
, p. 1999 - 2006 (1985)
Cyclisations of carbinollactams 1b-3b afford macrocycles 4-6 in good yield by the intermediacy of N-acyliminium species.A similar process applied to lactams 21b-25b affords the pyrrolizidine type compounds 26-35 through consecutive azonium-Cope rearrangem