A New Auronolignan from the Cotinus coggygria Heartwood

Miroslav Novakovic,Nina Todorovic,Milka Jadranin,Iris Djordjevic,Slobodan Milosavljevic,Boris Mandic,Vele Tesevic

Chemistry of Natural Compounds（2023）

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摘要

new auronolignan, named cotinignan B, was isolated from Cotinus coggygria Scop. Structure elucidation was performed on the basis of 1 H, 13 C NMR, COSY, NOESY, HSQC, and HMBC experiments, supported with HR-ESI-MS, IR and UV. Additional J-HMBC NMR experiment was essential to resolve the configuration of the trisubstituted double bond. This compound represents the secondly discovered natural compound belonging to the rare auronolignan type.

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关键词

Cotinus coggygria,auronolignan,cotinignan B,structure elucidation,J-HMBC NMR

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