TOTAL ASSIGNMENT OF H-1 AND C-13 NMR-SPECTRA OF 2 ISOMERIC TRITERPENOIDS

Citation
Fjq. Monte et al., TOTAL ASSIGNMENT OF H-1 AND C-13 NMR-SPECTRA OF 2 ISOMERIC TRITERPENOIDS, Magnetic resonance in chemistry, 35(11), 1997, pp. 802-805
Citations number
10
Categorie Soggetti
Spectroscopy,Chemistry
ISSN journal
07491581
Volume
35
Issue
11
Year of publication
1997
Pages
802 - 805
Database
ISI
SICI code
0749-1581(1997)35:11<802:TAOHAC>2.0.ZU;2-B
Abstract
The complete H-1 and C-13 assignment of two closely related isomeric t riterpenoid derivatives (methyl 2 alpha,3 beta-di-O-acetylolean-12-en- 28-oate and methyl 2 alpha,3 alpha-di-O-acetylurs-12-en-28-oate) is de scribed, In addition to 1D NMR methods, 2D shift-correlated NMR techni ques (COSY, NOESY, HMBC and HMQC) were used for the assignment. (C) 19 97 John Wiley & Sons, Ltd.