𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Complete assignments of 1H and 13C NMR resonances of oleanolic acid, 18α-oleanolic acid, ursolic acid and their 11-oxo derivatives

✍ Scribed by Werner Seebacher; Nebojsa Simic; Robert Weis; Robert Saf; Olaf Kunert

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
86 KB
Volume
41
Category
Article
ISSN
0749-1581

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Complete assignments of ^1^H and ^13^C NMR chemical shifts for oleanolic acid, 18α‐oleanolic acid, ursolic acid and their 11‐oxo derivatives based on ^1^H, ^13^C, 2D DQF‐COSY, NOESY, HSQC, HMBC and HSQC‐TOCSY experiments were achieved. Copyright © 2003 John Wiley & Sons, Ltd.

📜 SIMILAR VOLUMES

Complete 1H and 13C NMR assignments of s
Complete 1H and 13C NMR assignments of stephalic acid
✍ Eleuterio Burgueño-Tapia; Luis R. Hernández; Pedro Joseph-Nathan; Manuel Salmón 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 41 KB 👁 2 views

In addition to 1D NMR methods and 2D shift-correlated NMR techniques (COSY and HETCOR), spin-spin simulation and MMX calculations, to obtain the minimum energy conformation structure, were used for the complete 1 H and 13 C NMR assignments of stephalic acid.

13C and 1H NMR assignments for a series
13C and 1H NMR assignments for a series of dehydroabietic acid derivatives
✍ Bárbara Gigante; Lina Santos; Maria João Marcelo-Curto; José Ascenso 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 339 KB

## Reliable assignments were made for a series of nitro and amine C ring-substituted dehydroabietic acid derivative, the main resin acid present in disproportionated rosin and an important intermediate in the chemical industry. A combination of 1D and 2D NMR techniques, including HETCORR, COSY and

Complete 13C and 1H NMR assignments for
Complete 13C and 1H NMR assignments for a series of aromatic C-ring derivatives of dehydroabietic acid
✍ Alex R. Jurgens; James D. McChesney 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 283 KB

## Abstract Complete ^13^C and ^1^H NMR spectral assignments for a series of derivatives of the naturally occurring C‐ring aromatic diterpene resin acid dehydroabietic acid have been made. The use of a combination of 1D and 2D NMR techniques allowed mostly unambiguous assignments of all ^13^C reson

Complete 1H and 13C NMR assignments of t
Complete 1H and 13C NMR assignments of the epimeric menthane-1-carboxylic acids
✍ Debra K. Dillner; Daniel D. Traficante 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 93 KB

## Abstract Complete NMR analyses with full assignments for ^1^H and ^13^C NMR spectral data for both epimers of menthane‐1‐carboxylic acid are described. The NMR properties of the recently synthesized axial isomer had not been previously described, and through use of a variety of 1D and 2D techniq

13C and 1H NMR signal assignments of som
13C and 1H NMR signal assignments of some new synthetic dehydroabietic acid derivatives
✍ Marinaldo S. de Carvalho; Lúcia H. B. Baptistella; Paulo M. Imamura 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 124 KB 👁 1 views

## Abstract The ^1^H and ^13^C NMR signal assignments of a series of new synthetic derivatives of dehydroabietic acid are presented. Copyright © 2008 John Wiley & Sons, Ltd.

Complete 1H and 13C Resonance Assignment
Complete 1H and 13C Resonance Assignments of Glycosidic Conjugates of Hyodeoxycholic Acid by Two-Dimensional NMR Techniques
✍ Toshiaki Momose; Takashi Iida; Kumiko Mushiake; Junichi Goto; Toshio Nambara 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 617 KB

H and 13C NMR signals were completely assigned for six 3a-and 6a-O-/?-~-glycosidic conjugates (glucosides, glucuronides and N-acetylglucosaminides) of hyodeoxycholic (3a,6a-dihydroxy-5/3-cholanoic) acid as their methyl ester-acetate derivatives (three being 3-glycosides and three corresponding 6-ana