116725-92-9Relevant articles and documents
Quinolizidines. XXXIII. A chiral synthesis of (-)-ophiorrhizine, a pentacyclic quaternary indole alkaloid from ophiorrhiza major RIDL
Fujii,Ohba,Seto
, p. 49 - 52 (2007/10/02)
A detailed account is given of the first chiral synthesis of the Ophiorrhiza alkaloid ophiorrhizine [(-)-1]. The synthesis was started by coupling the lactim ether (+)-4, readily available from cincholoipon ethyl ester [(+)-3], with 6-benzyloxy-3-chloroac
Topsentin compounds effective against viruses and certain tumors
-
, (2008/06/13)
A new class of novel, biologically active bisindole alkaloid compounds, which have been named topsentins, pharmaceutical compositions containing them, methods of producing the compounds and methods of using them are disclosed. This new class of compounds