Total Synthesis of 7- and 8-Oxygenated Pyrano[3,2-<i>a</i>]carbazole and Pyrano[2,3-<i>a</i>]carbazole Alkaloids via Boronic Acid-Catalyzed Annulation of the Pyran Ring
作者:Konstanze K. Julich-Gruner、Olga Kataeva、Arndt W. Schmidt、Hans-Joachim Knölker
DOI:10.1002/chem.201403143
日期:2014.7.7
The boronic acid‐catalyzed annulation of citral opens up a short route to oxygenated cyclized monoterpenoid pyranocarbazole alkaloids. Thus, murrayamine‐D is available in only three steps and 55% overall yield from the corresponding carbazole precursor.
Mester, Iuliu; Choudhury, Manash Kumar; Reisch, Johannes, Liebigs Annalen der Chemie, 1980, # 2, p. 241 - 245
作者:Mester, Iuliu、Choudhury, Manash Kumar、Reisch, Johannes
DOI:——
日期:——
Bhatia, S. K.; Prakash, Om; Kapil, R. S., Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981, vol. 20, # 8, p. 701