作者:Aderbal F. Magalhães、Ana Maria A. Tozzi、Eva G. Magalhães、Ivani S. Blanco、Marisa A. Nogueira
DOI:10.1016/s0031-9422(97)00340-3
日期:1997.11
petrol extracts of the roots of Lonchocarpus latifolius and L. muehlbergianus . Molecular structures were determined from spectroscopic data, especially NMR techniques. An alkyl group bonded to the central carbon (C-8) of a natural dibenzoylmethane, had not been found before. Spectral data analysis suggested a preponderance of the respective diketotautomers.
摘要 从Lonchocarpus latifolius 和L. muehlbergianus 根的汽油提取物中分离得到3 种新的二苯甲酰甲烷衍生物。分子结构由光谱数据确定,尤其是核磁共振技术。以前从未发现过与天然二苯甲酰甲烷的中心碳 (C-8) 键合的烷基。光谱数据分析表明各自的二酮变异构体占优势。