Circular dichroism of some bisbenzyltetrahydroisoquinoline alkaloids
The circular dichroism (CD) method has been used to study the stereochemistry of the bisbenzyltetrahydroisoquinoline alkaloids. A relationship has been established between the absolute configurations of the asymmetric centers and the parameters of the Cotton effects in the CD spectra. The changes in the CD spectra on protonation have been correlated with conformational rearrangements of the molecules due to the different attachment of the oxygen bridges.
KeywordsAlkaloid Circular Dichroism Circular Dichroism Spectrum Absolute Configuration Cotton Effect
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