𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Structure elucidation of two new unusual monoterpene glycosides from Euphorbia decipiens, by 1D and 2D NMR experiments

✍ Scribed by Ozlem Demirkiran; Gulacti Topcu; Javid Hussain; Viqar Uddin Ahmad; M. Iqbal Choudhary

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
137 KB
Volume
49
Category
Article
ISSN
0749-1581

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Two new unusual monoterpene glycosides, (Z)‐3,6‐dimethyl‐3‐(β‐D‐O‐glucosylmethylene)cyclohept‐4‐ene‐1‐one (1) and 3,6‐dimethyl‐3‐(β‐D‐O‐glucosylmethylene)cycloheptanone (2) have been isolated along with five known compounds, 3‐hydroxy‐4‐methoxybenzoic acid, 6,7‐dihydroxycoumarin, luteolin, apigenin 5‐O‐αl‐L‐rhamnoside, and pinocembrin‐7‐O‐rutinoside from ethyl acetate extract of Euphorbia decipiens. The structures of the isolated compounds were elucidated by extensive 1D‐ and 2D‐NMR, and mass spectroscopic analyses. Copyright © 2011 John Wiley & Sons, Ltd.

📜 SIMILAR VOLUMES

Structural elucidation of four new furos
Structural elucidation of four new furostanol saponins from Tupistra chinensis by 1D and 2D NMR spectroscopy
✍ Kun Zou; Jun-zhi Wang; Zhi-yong Guo; Ming Du; Jun Wu; Yuan Zhou; Fei-jun Dan; Ch 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 111 KB 👁 1 views

## Abstract Four new furostanol saponins (1–4), two pairs of diastereoisomers, were isolated from methanolic extracts of __T__upistra chinensis rhizomes and their structures were assigned from ^1^H and ^13^C NMR spectra, DEPT, and by 2D COSY, NOESY, HMQC, and HMBC experiments. Copyright © 2008 John

Structure determination of salisomide an
Structure determination of salisomide and salisoflavan, two new secondary metabolites from Salsola imbricata, by 1D and 2D NMR spectroscopy
✍ Muhammad Saleem; Naseem Akhter; Muhammad Shaiq Ali; Mamona Nazir; Naheed Riaz; M 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 91 KB

## Abstract Chromatographic analysis of the alcoholic extract from __Salsola imbricata__ yielded two new secondary metabolites, salisomide (1) and salisoflavan (2). Their structures were established with the help of spectroscopic techniques including COSY, HMQC and HMBC NMR experiments. Copyright ©

Structure determination of Aervins A-D,
Structure determination of Aervins A-D, new coumaronochromone analogues from Aerva persica, by 1D and 2D NMR spectroscopy
✍ Muhammad Imran; Muhammad Ibrahim; Naheed Riaz; Prof. Dr. Abdul Malik 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 107 KB 👁 1 views

## Abstract Aervins A‐D (1‐4), four new coumaronochromone analogues have been isolated from the CHCl~3~‐soluble fraction of the MeOH extract of the whole plant of __Aerva persica__. Their structures were assigned based on ^1^H NMR, ^13^C NMR spectra, DEPT, and by 2DNMR experiments. Copyright © 2009

Structural determination of abutilins A
Structural determination of abutilins A and B, new flavonoids from Abutilon pakistanicum, by 1D and 2D NMR spectroscopy
✍ Bakhat Ali; Muhammad Imran; Riaz Hussain; Zaheer Ahmed; Abdul Malik 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 117 KB

## Abstract Two new flavonoids, abutilin A and B, were isolated from the chloroform soluble fraction of __Abutilon pakistanicum__ and their structures assigned from ^1^H and ^13^C NMR spectra, DEPT and by 2D COSY, HMQC and HMBC experiments. Ferulic acid (3), (__E__)‐cinnamic acid (4), 5‐hydroxy‐4′,

Structural determination of atricins A a
Structural determination of atricins A and B, new triterpenes from Perovskia atriplicifolia, by 1D and 2D NMR spectroscopy
✍ Shagufta Perveen; Abdul Malik; Rasool Bakhsh Tareen 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 97 KB 👁 1 views

## Abstract Atricins A (1) and B (2), two new oleanane‐type triterpenes have been isolated from the chloroform‐soluble fractions of __Perovskia atriplicifolia__ and their structures assigned from ^1^H and ^13^C‐NMR spectra, Distortion Enhancement by Polarization Trasfer (DEPT) and by 2D‐COSY, HMQC,