✦ LIBER ✦

Ring conformations of proline. Solution studies based on lanthanide nuclear magnetic resonance shifts and molecular mechanics

✍ Scribed by DeTar, DeLos F.; Luthra, Narender P.

Book ID: 127299425
Publisher: American Chemical Society
Year: 1979
Tongue: English
Weight: 987 KB
Volume: 44
Category: Article
ISSN: 0022-3263
DOI: 10.1021/jo01333a005

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Nuclear-Magnetic-Resonance Studies of 5′

Nuclear-Magnetic-Resonance Studies of 5′-Ribonucleotide and 5′-Deoxyribonucleotide Conformations in Solution Using the Lanthanide Probe Method

✍ Christopher M. DOBSON; Carlos F. G. C. GERALDES; George RATCLIFFE; Robert J. P. 📂 Article 📅 1978 🏛 John Wiley and Sons 🌐 English ⚖ 672 KB

Conformational analysis. Part 10. A theo

Conformational analysis. Part 10. A theoretical and nuclear magnetic resonance (lanthanide-induced shift) study of the conformation of cyclohex-2-enone

✍ Abraham, Raymond J.; Lucas, M. Secundino 📂 Article 📅 1988 🏛 Royal Society of Chemistry 🌐 English ⚖ 458 KB

Multiple Conformations and Proline cis-t

Multiple Conformations and Proline cis-trans Isomerization in Salmon Calcitonin: A Combined Nuclear Magnetic Resonance, Distance Geometry, and Molecular Mechanics Study

✍ Amodeo, Pietro; Castiglione Morelli, M. A.; Motta, Andrea 📂 Article 📅 1994 🏛 American Chemical Society 🌐 English ⚖ 959 KB

The solution structure of alfileramine.

The solution structure of alfileramine. Nuclear magnetic resonance spectroscopy and molecular mechanics study

✍ Manuel Marcos; Mary Carmen Villaverde; Ricardo Riguera; Luis Castedo; Frank Ster 📂 Article 📅 1989 🏛 Elsevier Science 🌐 French ⚖ 404 KB

1H nuclear magnetic resonance studies of

1H nuclear magnetic resonance studies of N-acetyl-L-proline N-methylamide. Molecular conformations, hydrogen bondings, and thermodynamic quantities in various solvents

✍ Tsutomu Higashijima; Mitsuo Tasumi; Tatsuo Miyazawa 📂 Article 📅 1977 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 598 KB

## Synopsis Concentration and temperature dependences of the 'H nmr spectra of N-acetyl-L-proline N-methylamide were observed in various solvents [CCld, CDCl:j, (CD:j)&O, (CD:JaSO, H&, and D20]. The fraction of the cis isomer (with respect to the bond between the acetyl carbonyl carbon and prolyl

NMR and molecular mechanics studies on t

NMR and molecular mechanics studies on the solution-state conformation of (−)-scopolamine free base

✍ Robert Glaser 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 484 KB

## Abstract The NMR parameters of (−)‐scopolamine free base in CDCl~3~ determined by Sarazin __et al.__ were used to reevaluate some of the stereochemical conclusions recently reported by the authors. Similarly to the case with the protonated salt, the major contributor to the fast exchange limit t