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© Yang SI, Institut Pasteur
Publication : Phytochemistry

Cytisine-like alkaloids from Ormosia hosiei Hemsl. & E.H. Wilson

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Phytochemistry - 26 Aug 2014

Pouny I, Batut M, Vendier L, David B, Yi S, Sautel F, Arimondo PB, Massiot G

Link to Pubmed [PMID] – 25172516

Phytochemistry 2014 Nov;107:97-101

Four alkaloids named hosieines A-D were isolated from the root and stem of Ormosia hosiei. Their flat structures were established by mass spectrometry and by a combination of NMR experiments. These molecules probably share a common biosynthetic origin with the lupin alkaloids but they differ in the formation of the last ring, being here part of a rare 2-azabicyclo[3.2.1]octane system. Their absolute configuration was determined by X-ray crystallography using CuKα radiation. As has been described for cytisine, they display a remarkable affinity towards neuronal nicotinic acetylcholine α4β2 receptor.

https://www.ncbi.nlm.nih.gov/pubmed/25172516