Premium
Proton and carbon‐13 NMR and conformation in solution of some amorphanes (quinghaosu derivatives)
Author(s) -
Marsaioli Anita J.,
Fujiwara Fred Y.,
Foglio Mary Ann,
Sharapin Nikolai,
Zhang JinSheng
Publication year - 1994
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.1260321004
Subject(s) - chemistry , proton , alkene , carbon 13 nmr , proton nmr , ketone , molecular mechanics , carbon fibers , computational chemistry , stereochemistry , organic chemistry , molecular dynamics , physics , materials science , quantum mechanics , composite number , composite material , catalysis
The total proton and carbon‐13 NMR assignments of quinghaosu I, II and V isolated from Artemisia annua cultivated in Brazil and of the synthetic derivatives quinghaosu alkene, ketone and epoxy are reported. The conformations and conformational equilibria of these compounds in solution were obtained from the spectral data and molecular mechanics calculations.