Irigermanone, a Noriridal with Unprecedented Methylketone Function, from  Iris germanica | Zendy

Potterat Olivier | Zendy; Herzog Carmela | Zendy; Raith Melanie | Zendy; Ebrahimi Samad Nejad | Zendy; Hamburger Matthias | Zendy

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Irigermanone, a Noriridal with Unprecedented Methylketone Function, from Iris germanica

Author(s) -

Potterat Olivier,

Herzog Carmela,

Raith Melanie,

Ebrahimi Samad Nejad,

Hamburger Matthias

Publication year - 2014

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.201300316

Subject(s) - chemistry , rhizome , terpene , circular dichroism , stereochemistry , aldehyde , iris (biosensor) , two dimensional nuclear magnetic resonance spectroscopy , organic chemistry , traditional medicine , medicine , computer security , biometrics , computer science , catalysis

A new iridal, irigermanone ( 1 ) and nine known congeners, 2 – 10 , respectively, have been isolated from the dried rhizomes of German iris ( Iris germanica ). The structure of 1 was established by spectroscopic methods including HR‐ESI‐MS, 1D‐ and 2D‐NMR, and electronic circular dichroism (ECD) spectroscopy. Compound 1 is a structurally unique noriridal, and it possesses an unprecedented methylcarbonyl group instead of the α , β ‐unsaturated aldehyde function typical for this group of triterpenes.

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