𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Structure elucidation of a hexahydrocannabinol derivative via 13C13C homonuclear correlation and 1H13C heteronuclear correlation with proton detection

✍ Scribed by Lucia Zetta; Antonio De Marco; Clemens Anklin; Mara Cornia; Giovanni Casiraghi

Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
249 KB
Volume
25
Category
Article
ISSN
0749-1581

No coin nor oath required. For personal study only.

✦ Synopsis

Two-dimensional carbon-carbon correlated spectra (2D-INADEQUATE) and proton-carbon correlated spectra obtained with proton detection have been used to determine the absolute configuration and conformation of a hexahydrocannabinol derivative obtained with highly stereocontrolled synthesis. From the proton-proton coupling constants the junction between rings B and C was found to be trans and the relative stereodisposition of C-lOa, C-9 and C-6awas deduced to be k.

📜 SIMILAR VOLUMES

Structure elucidation of two diphenylhyd
Structure elucidation of two diphenylhydantoin derivatives via 1H and 13C NMR spectroscopy
✍ M. Ciechanowicz-Rutkowska; L. Ragona; F. Greco; L. Zetta; M. Pegna 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 410 KB

## Abstract The solution conformations of 1‐benzyl‐5,5‐diphenyl‐2,4‐dioxo‐3‐imidazolidineacetic acid (AC) and 3‐(2,4‐dichlorobenzyl)‐5,5‐diphenyl‐2,4‐dioxo‐1‐imidazolidine acetic acid (AD) were studied by proton and carbon NMR spectroscopy. The two drugs have different pharmacological activities, A

13C chemical shifts of phenol derivative
13C chemical shifts of phenol derivatives. A correlation with electronic structure
✍ Marek Ilczyszyn; Zdzisław Latajka; Henryk Ratajczak 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 432 KB

## Abstract The ^13^C chemical shifts of twenty chloro‐ and nitro‐substituted phenols have been measured in __d__‐chloroform. The influence of substituents on the screening at C‐1, on the total charge at this position and on the dipole moments is reported and analysed. The results of this study sug

Investigating the Sensitivity Limits of
Investigating the Sensitivity Limits of 13C-Detected 1H–13C Chemical Shift Correlation Sequences with Modern Microprobe and Microtube Technology
✍ William F. Reynolds; Margaret Yu; Raul G. Enriquez 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 365 KB

The sensitivity limits for 13C-detected 13C-1H shift correlation sequences were evaluated using a microprobe in combination with 3 mm microtubes Ðtted with susceptibility plugs which allow for further restriction of the sample volume. For an absolute value BIRD-decoupled HETCOR spectrum acquired in

Quantitative Measurement of Transverse a
Quantitative Measurement of Transverse and Longitudinal Cross-Correlation between13C–1H Dipolar Interaction and13C Chemical Shift Anisotropy: Application to a13C-Labeled DNA Duplex
✍ Chojiro Kojima; Akira Ono; Masatsune Kainosho; Thomas L. James 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 105 KB

Measurement of both longitudinal and transverse relaxation interference (cross-correlation) between 13C chemical shift anisotropy and 13C-1H dipolar interactions is described. The ratio of the transverse to longitudinal cross-correlation rates readily yields the ratio of spectral densities J(0)/J(om

Structural elucidation of a new Δ2-pyraz
Structural elucidation of a new Δ2-pyrazoline derivatives using 1H and 13C NMR spectroscopy
✍ M. D. Carrión; L. C. López-Cara; M. E. Camacho; A. Entrena; M. A. Gallo; A. Espi 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 105 KB

This paper describes the unequivocal structural elucidation of a new kind of Delta2-pyrazoline derivatives carried out by means of monodimensional 1H and 13C NMR spectroscopies, bidimensional ones such as HMBC and HMQC experiments, and NOEDIFF effects. Conformational analysis of this molecule agrees