The synthesis of 1-formyl-3,4,6,7,12,12b-hexahydroindolo[2,3-a]quinolizine and its use as an intermediate for desethyl eburnamine-vincamine alkaloids are described.
Substituent Effects on the Rate of Acid-catalysed Epimerization of Indolo[2,3-a]quinolizidines
作者:Mauri Lounasmaa、Mathias Berner、Arto Tolvanen
DOI:10.3987/com-98-s(h)33
日期:——
10-Substituted indolo[2,3-a]quinolizidine derivatives were prepared to study the effect of substituents on the epimerization rate. Under the conditions employed, electron withdrawing substituents hindered epimerization and electron donating substituents accelerated it.