## Abstract ^1^H and ^13^C NMR spectra of __trans, trans__‐2,3‐divinylfuran derivatives (1–4) in CDCl~3~ were fully assigned using one‐ and two‐dimensional NMR techniques. The ^1^H NMR resonances of ethylenic protons in position 2 with regard to the corresponding protons in position 3 of the furan
Complete 1H and 13C NMR assignments of stigma-5-en-3-O-β-glucoside and its acetyl derivative
✍ Scribed by Shaheen Faizi; Muhammad Ali; Rubeena Saleem; Irfanullah; Sarah Bibi
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 121 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0749-1581
- DOI
- 10.1002/mrc.855
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Unambiguous and complete assignments of ^1^H and ^13^C NMR chemical shifts for stigma‐5‐en‐3‐O‐β‐glucoside, isolated from Brassica rapa sb.sp. campestris and Aloe barbadensis, and its acetyl derivative are presented, based on DEPT, HETCOR, COLOC, HMBC, COSY‐45°, NOESY and J‐resolved experiments. Copyright © 2001 John Wiley & Sons, Ltd.
📜 SIMILAR VOLUMES
## Abstract The ^1^H and ^13^C NMR spectra of six 5‐substituted 2‐azabicyclo[2.2.2]octane derivatives were fully assigned by COSY and HSQC experiments. Copyright © 2005 John Wiley & Sons, Ltd.
Complete assignment of the 'H and I3C NMR spectra of flavone and three flavone derivatives is reported. Protonproton and carbon-proton coupling constants of the flavones, including the extreme seven-bond long-range coupling between H-7 and H-3 in 6-hydroxyflavone (0.52 Hz) and flavone (0.27 Hz), are
## Abstract ^1^H and ^13^C NMR chemical shifts of α‐ and β‐anomers of adenosine, 2′‐deoxyadenosine and their acetate derivatives were completely and definitely assigned using the concerted application of one‐ and two‐dimensional experiments (gCOSY, gNOESY, gHSQC and gHMBC). The influence of the ste
## Abstract Herein, we describe the synthesis and complete assignment of the ^1^H and ^13^C NMR chemical shifts of a series of antimicrobial 4‐arylamino‐3‐nitrocoumarin derivatives based on a combination of ^1^H and ^13^C NMR, ^1^H‐^1^H‐COSY, NOESY, HSQC and HMBC experiments. Conformational effects