𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Structural elucidation of four new furostanol saponins from Tupistra chinensis by 1D and 2D NMR spectroscopy

✍ Scribed by Kun Zou; Jun-zhi Wang; Zhi-yong Guo; Ming Du; Jun Wu; Yuan Zhou; Fei-jun Dan; Chuang Liu

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
111 KB
Volume
47
Category
Article
ISSN
0749-1581

No coin nor oath required. For personal study only.

✦ Synopsis

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 Wiley & Sons, Ltd.

📜 SIMILAR VOLUMES

Structural elucidation and NMR spectral
Structural elucidation and NMR spectral assignment of three new furostanol saponins from the roots of Tupistra chinensis
✍ Zhiyong Guo; Kun Zou; Junzhi Wang; Chuang Liu; Zichun Tang; Chunyan Yang 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 94 KB 👁 1 views

## Abstract Three new furostanol saponins (1–3) were isolated from the roots of __Tupistra chinensis (T. chinensis)__. And their structures were elucidated on the basis of NMR and mass spectrometry (MS) spectral analysis. Copyright © 2009 John Wiley & Sons, Ltd.

Isolation and structural elucidation of
Isolation and structural elucidation of griffithine by 1D and 2D NMR techniques
✍ Atta-ur-Rahman; Azra Pervin; M. Feroz; Shahnaz Perveen; M. I. Choudhary; Naim Ha 📂 Article 📅 1991 🏛 John Wiley and Sons 🌐 English ⚖ 493 KB

## Abstract The isolation and structure elucidation of a novel dimeric alkaloid, griffithine, from the leafy shoots of __Sophora griffithii__ Stock (Papilionaceae) is described. The alkaloid possesses a 12‐membered ring system formed by the linking of C‐10 and C‐10′ of the alkaloid with the N‐1 and

Structure elucidation of two new unusual
Structure elucidation of two new unusual monoterpene glycosides from Euphorbia decipiens, by 1D and 2D NMR experiments
✍ Ozlem Demirkiran; Gulacti Topcu; Javid Hussain; Viqar Uddin Ahmad; M. Iqbal Chou 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 137 KB

## 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‐dihydroxycoum

Synthesis and structure elucidation of f
Synthesis and structure elucidation of five series of aminoflavones using 1D and 2D NMR spectroscopy
✍ Ana I. R. N. A. Barros; Artur M. S. Silva 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 247 KB 👁 1 views

## Abstract Twenty‐six new aminoflavones have been synthesised by two different methods and the structure elucidation was accomplished using extensive 1D (^1^H, ^13^C) and 2D NMR spectroscopic studies (COSY, HSQC and HMBC experiments). Copyright © 2006 John Wiley & Sons, Ltd.

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

Structure elucidation of a novel group o
Structure elucidation of a novel group of dithiocarbamate derivatives using 1D and 2D NMR spectroscopy
✍ Qin Li; Chunhui Yang; Ze-Mei Ge; Runtao Li; Yuxin Cui 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 97 KB

## Abstract Compounds 1–7 form a novel group of dithiocarbamates, first synthesized from the reaction of a series of primary amines with carbon disulfide and 3‐bromo ethyl pyruvate in the presence of anhydrous potassium phosphate. Structure elucidation of this group of compounds was accomplished us