I want to know the key signals of megastigmanes in protons and carbon, can someone help me?

12 December 2015 1 6K Report

The aglycone has almost 13 carbon signals, two of them are methyl singlets in proton spectrum. Most of them have trans olefinic protons with a sugar moiety. However and in spite of small structures, they have a wide variation concerning substitution and stereochemistry

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Carbon

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