𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Retention of configuration during N-protonation of arylaldoximes. Application to the direct determination of configuration by 1H NMR spectroscopy in TFSA.

✍ Scribed by Jean-Marie Coustard; Jean-Claude Jacquesy; Bruno Violeau

Publisher
Elsevier Science
Year
1992
Tongue
French
Weight
215 KB
Volume
33
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

1H NMR utilization of through-space effe
1H NMR utilization of through-space effects in configurational assignments. I—application to nitriles; determination of the separate effects of the electric field and anisotropy of the CN group
✍ Michel Rouillard; Serge Geribaldi; Jean Khazarian; Marcel Azzaro 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 412 KB

## Abstract The changes in chemical shift induced by isomerization for all the ring protons of the __Z__‐ and __E__‐5,5‐dimethyl‐2‐cyclohexenylidene acetonitriles depend only on the through‐space effects of the cyano group. The configurational assignments were made taking into consideration the ani

Study of stereospecificity of 1H, 13C, 1
Study of stereospecificity of 1H, 13C, 15N and 77Se shielding constants in the configurational isomers of the selenophene-2-carbaldehyde azine by NMR spectroscopy and MP2-GIAO calculations
✍ Andrei V. Afonin; Dmitry V. Pavlov; Alexander I. Albanov; Ekaterina P. Levanova; 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 210 KB

In the ^1^H and ^13^C NMR spectra of selenophene‐2‐carbaldehyde azine, the ^1^H‐5, ^13^C‐3 and ^13^C‐5 signals of the selenophene ring are shifted to higher frequencies, whereas those of the ^1^H‐1, ^13^C‐1, ^13^C‐2 and ^13^C‐4 are shifted to lower frequencies on going from the __EE__ to __ZZ__ isom

Study of conformations and hydrogen bond
Study of conformations and hydrogen bonds in the configurational isomers of pyrrole-2-carbaldehyde oxime by 1H, 13C and 15N NMR spectroscopy combined with MP2 and DFT calculations and NBO analysis
✍ Andrei V. Afonin; Igor A. Ushakov; Dmitry V. Pavlov; Andrei V. Ivanov; Al'bina I 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 173 KB 👁 1 views

## Abstract The ^1^H, ^13^C and ^15^N NMR studies have shown that the __E__ and __Z__ isomers of pyrrole‐2‐carbaldehyde oxime adopt preferable conformation with the __syn__ orientation of the oxime group with respect to the pyrrole ring. The __syn__ conformation of __E__ and __Z__ isomers of pyrrol