𝔖 Bobbio Scriptorium
✦   LIBER   ✦

On the Conformation of 8-Membered Ring Heterocycles – Dynamic and Static Conformational Analysis of Acylated Hexahydrobenzazocines

✍ Scribed by Alfred Hassner; Boaz Amit; Vered Marks; Hugo E. Gottlieb


Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
126 KB
Volume
2006
Category
Article
ISSN
1434-193X

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Conformation Analysis of the 8-Membered
✍ P. Hug; Sandra Kolly; Hansrudolf Meier; Rita Pitteloud; Dieter Poppinger; Grety 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 German ⚖ 402 KB

## Abstract The 12__H__‐dibenzo [__d__, __g__] dioxathiocines 2 and 4 are prepared by condensation of the corresponding bis[phenols] 1 and 3 with SOCl~2~ and SCl~2~, respectively. X‐Ray analysis reveals the presence of the boat‐chair (__BC__) form as the only conformer in the solid state of the cyc

Conformations of the Nine-Membered Ring
✍ Mira S. Bjelaković; Natalija M. Krstić; Bernard Tinant; Jaroslav Kalvoda; Janos 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 German ⚖ 172 KB

## Abstract The conformations of (__Z__)‐ and (__E__)‐5‐oxo‐__B__‐nor‐5,10‐secocholest‐1(10)‐en‐3__β__‐yl acetates (2 and 3, resp.) were examined by a combination of X‐ray crystallographic analysis and NMR spectroscopy, with emphasis on the geometry of the cyclononenone moiety. The ^1^H‐ and ^13^C‐

The use of time-averaged 3JHH restrained
✍ Pieter M. S. Hendrickx; Francisco Corzana; Stefaan Depraetere; Dirk A. Tourwé; K 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 618 KB

## Abstract Because of its presence in many molecules of biological relevance, the conformational analysis of five‐membered rings using ^3^J~HH~ scalar coupling data from NMR is a topic of considerable interest. Typically, conformational analysis involves the use of a well‐established mathematical

Conformational analysis of benzoannulate
✍ Barbara Rys; Helmut Duddeck 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 281 KB

## Abstract Temperature‐dependent ^1^H and ^13^C NMR spectra of the title compounds are presented. The coalescence effects in the spectra are discussed and assigned to the racemization of the __C__~2~ symmetry conformation of the nine‐membered ring. The barrier of this process is __ca__. 64 kJ mol^