𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Concerning carbon-13 n.m.r. spectroscopy of 5β-hydroxylated phytoecdysones

✍ Scribed by J. Krepinsky; J. A. Findlay; B. Danieli; G. Palmisano; P. Beynon; S. Murakami


Publisher
John Wiley and Sons
Year
1977
Tongue
English
Weight
211 KB
Volume
10
Category
Article
ISSN
0749-1581

No coin nor oath required. For personal study only.

✦ Synopsis


Abstract

The ^13^C n.m.r. spectra of the 5β‐hydroxylated phytoecdysones polypodine B, muristerone A and kaladasterone are presented and briefly discussed together with the spectrum of makisterone A. Comparisons with previously reported spectra of ecdysone, ecdysterone and poststerone are made and allow a correction for the C‐20/C‐24 assignment for ecdysone.


📜 SIMILAR VOLUMES


Substituent effect of the nitro group on
✍ Andrezej Ejchart 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 143 KB 👁 1 views

## Abstract Linear correlation coefficients were obtained for the substituent effect of the nitro group in primary nitroalkanes. The solvent effect of chloroform is also discussed, as well as the influence of the scalar relaxation on the half‐width of α‐carbons in ^13^C n.m.r. spectroscopy.

Investigation of the torsional angle at
✍ Eileen M. Nottoli; Joseph B. Lambert; Robert L. Letsinger 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 426 KB

## Abstract The conformational preference of the thymine base ring with respect to the sugar ring in β,β,β,‐trichloroethyl 5′amino‐5′‐deoxythymidine‐5′‐phosphate has been studied by ^13^C n.m.r. spectroscopy. The magnitude of the three bond vicinal coupling constant, __J__(C‐2, H‐1′), for β,β,β‐tri