Neocandenatone, an isoflavan-cinnamylphenol quinone methide pigment from Dalbergia congestiflora

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• 作者：Barragá ; n-Huerta ; Blanca E. ; Peralta-Cruz ; Javier ; Gonzá ; lez-Laredo ; Rubé ; n F. ; et. al.
• 关键词：Dalbergia congestiflora ; Leguminosae ; Campincerá ; n ; Isoflavan-cinnamylphenol ; Heartwood pigment
• 刊名：Phytochemistry
• 出版年：2004
• 期刊代码：85_00319422
• 类别：ch
• 出版时间：April, 2004
• 卷：65
• 期：7
• 页码：925-928
• 文件大小：147 K

摘要

A purple pigment neocandenatone (vestitol[6→9″;7O→7″]obtusaquinone) was isolated from the heartwood of campincerán (Dalbergia congestiflora), an endemic Mexican tree. The isoflavan-cinnamyl phenol quinone methide structure of this compound was elucidated by HRMS, IR, and ¹H and ¹³C NMR spectroscopic analysis, including 2D experiments (COSY, NOESY, HMQC and HSQC).