Structure determination of ramosine, a guaianolide, by NMR spectroscopy | Zendy

Khan Sher Bahadar | Zendy; Afza Nighat | Zendy; Malik Abdul | Zendy; ul Haq Azhar | Zendy; Ahmed Zaheer | Zendy

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Structure determination of ramosine, a guaianolide, by NMR spectroscopy

Author(s) -

Khan Sher Bahadar,

Afza Nighat,

Malik Abdul,

ul Haq Azhar,

Ahmed Zaheer

Publication year - 2004

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1461

Subject(s) - chemistry , chloroform , sesquiterpene , sesquiterpene lactone , hydroxymethyl , nuclear magnetic resonance spectroscopy , lactone , stereochemistry , two dimensional nuclear magnetic resonance spectroscopy , organic chemistry

Ramosine, a new sesquiterpene lactone, was isolated from the chloroform fraction of Amberboa ramosa and the structure was assigned as 4β‐(hydroxymethyl)‐3β,4α‐dihydroxy‐8α‐[( S )‐3‐hydroxy‐2‐ethylenepropionyloxy]‐1αH, 5αH,6βH,7αH,11βH,11α‐methylguaia‐10(14)‐en‐6, 12‐olide by extensive NMR studies. Copyright © 2004 John Wiley & Sons, Ltd.

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