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Full NMR analysis of annomontine, methoxy‐ annomontine and N ‐hydroxyannomontine pyrimidine‐β‐carboline alkaloids
Author(s) -
Costa Emmanoel Vilaça,
Pinheiro Maria Lúcia Belém,
de Souza Afonso Duarte Leão,
dos Santos Adriane Gama,
Campos Francinete Ramos,
Ferreira Antonio Gilberto,
Barison Andersson
Publication year - 2008
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.2134
Subject(s) - heteronuclear molecule , chemistry , pyrimidine , coupling constant , stereochemistry , chemical shift , two dimensional nuclear magnetic resonance spectroscopy , computational chemistry , nuclear magnetic resonance spectroscopy , physics , particle physics
Using modern NMR techniques, including 1 H 13 C and 1 H 15 N heteronuclear correlation experiments, the complete and unambiguous 1 H, 13 C, and 15 N NMR chemical shift assignments of annomontine, methoxyannomontine, and N ‐hydroxyannomontine pyrimidine‐β‐carboline alkaloids were performed. All 1 H 1 H scalar coupling constants and signal multiplicities were determined, and all nOe observations were also included. Copyright © 2008 John Wiley & Sons, Ltd.