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1H and 13C NMR studies on the conformation of N-methyl diastereomers of (+)-glaucine hydrotrifluoroacetate, an aporphine alkaloid salt

✍ Scribed by Glaser, Robert; Bernstein, Michael A.

Book ID
118270245
Publisher
Royal Society of Chemistry
Year
1991
Tongue
English
Weight
893 KB
Volume
12
Category
Article
ISSN
1472-779X

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## Abstract Carbon and proton NMR spectra of 3‐hydroxypyridine and its O‐methyl and N‐methyl derivatives have been analysed, and are compared with the spectra of the corresponding 2‐ and 4‐substituted pyridines. It is shown, that contrary to quantum chemical predictions and in agreement with chemic