NMR-DATA OF CARAPIN A – H
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资源简介:
We are reporting here the NMR data of seven previously undescribed limonoids (Carapin A – G, including 3 tetranortriterpenoid-type spirolactone, 2 phragmalin-type, 1 apotirucallane‑type and 1 gedunin-type limonoids), and one new pregnane-type steroid (Carapin H) isolated from Carapa macrantha Harms (Meliaceae). The structural elucidation was achieved using spectroscopic and spectrometric methods, X-ray crystallography, and comparison with corresponding literature data
本研究报道了从大花洋椿(Carapa macrantha Harms,楝科Meliaceae)中分离得到的7个此前未被报道的柠檬苦素类(limonoids)化合物(命名为Carapin A–G,其中包含3个四去甲三萜类螺内酯(tetranortriterpenoid-type spirolactone)、2个普拉马林型(phragmalin-type)柠檬苦素、1个阿朴苦楝烷型(apotirucallane-type)柠檬苦素以及1个吉杜林型(gedunin-type)柠檬苦素),以及1个新的孕烷型甾体(pregnane-type steroid)化合物Carapin H。该类化合物的结构解析通过波谱学、质谱学方法、X射线晶体学技术,并与相关文献数据比对完成。
提供机构:
nmrXiv
创建时间:
2025-12-10



