1006381-20-9Relevant articles and documents
Aza- and carbo-[3+3] annulations of exo-cyclic vinylogous amides and urethanes. Synthesis of tetrahydroindolizidines and an unexpected formation of hexahydroquinolines
Ghosh, Sunil K.,Buchanan, Grant S.,Long, Quincy A.,Wei, Yonggang,Al-Rashid, Ziyad F.,Sklenicka, Heather M.,Hsung, Richard P.
, p. 883 - 893 (2008/09/16)
[3+3] Annulations of exo-cyclic vinylogous amides and urethanes with vinyl iminium salts are described here. We observed an intriguing dichotomy in their reaction pathways. For pyrrolidine- and azepane-based vinylogous amides or urethanes, aza-[3+3] annul