𝔖 Bobbio Scriptorium
✦   LIBER   ✦

RPA MNDO analysis of the dihedral angle dependence of vicinal J(SnSn) and J(SnC) NMR coupling constants

✍ Scribed by N.M. Peruchenaa; L. Sosa; G.A. Aucar; R.H. Contreras

Book ID
113258185
Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
492 KB
Volume
330
Category
Article
ISSN
0166-1280

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Dihedral-angle dependence of the vicinal
Dihedral-angle dependence of the vicinal 15N,13C spin-coupling constants. A new NMR parameter for the conformational analysis of amino acids and peptides
✍ Masatsune Kainosho; Takashi Tsuji 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 394 KB

## Abstract The first successful observation of the vicinal ^15^N,^13^C spin‐coupling constants in a series of amino acids, comprising Val, Ile, Leu and Thr, in which the α‐nitrogens are fully replaced with ^15^N, is described. A Karplus‐type dihedral‐angle dependence was noted for the coupling con

Dependence of vicinal 31P–31P and 31P–13
Dependence of vicinal 31P–31P and 31P–13C coupling constants on the dihedral angle of α, β-diphosphonates
✍ G. Grossmann; R. Lang; G. Ohms; D. Scheller 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 535 KB

## Abstract Several α,β‐diphosphonates with a norbornane or cyclohexane skeleton were prepared, and the ^31^P‐^31^P coupling constants over three bonds for the ethyl or methyl esters, the acid and anion were obtained from the ^13^C NMR spectra or the ^13^C satellites in the ^31^P NMR spectra. The ^

13C NMR: The stereochemical dependence o
13C NMR: The stereochemical dependence of 15N13C coupling constants in pyrazoles
✍ T. Axenrod; P. Mangiaracina; C. M. Watnick; M. J. Wieder; S. Bulusu 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 227 KB

## Abstract Geminal ^15^N^13^C coupling constants have been measured in a series of ^15^N‐enriched 1‒phenyl‒3,5‒dialkyl‐substituted pyrazoles. The importance of the orientation of the nitrogen lone‐pair in determining the magnitude of ^2^__J__(^15^N^13^C) values is reflected in the enhanced coupli