![[HTML version]](/e/graphics/htmlborder.gif)
![[PDF version]](/e/graphics/pdfborder.gif)
![[CIF]](/e/graphics/cifborder.gif)
![[3d view]](/e/graphics/3dviewborder.gif)
![[Structure Factors]](/e/graphics/structurefactorsborder.gif)
![[CIF check Report]](/e/graphics/checkcifborder.gif)
![[Buy article online]](/logos/buy.gif)
![[Contents scheme]](sg2018contents.gif)
Acta Cryst. (2006). E62, o1764-o1765 [ doi:10.1107/S1600536806010324 ]
Abstract: The title compound, C20H19NO5, a protoberberine-type alkaloid, was isolated from the roots of the plant Sinomenium acutum. The piperidine ring adopts a screw-boat conformation and the pyridinone ring is in an envelope conformation.
Online 7 April 2006
Copyright © International Union of Crystallography
IUCr Webmaster