The Stereochemistry Determination of 19-Nor-Neoclero dane by NMR Methods
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Graphical Abstract
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Abstract
An extensive investigation on the NMR data of some 19-nor-neoclerodane diterpenoids showed the stereochemistries of the compounds might be predicted according to the chemical shifts of H-6,H-10 in the 1HNMR spectra and the values of some carbons in the (1
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