Stereochemical analysis of leubethanol, an anti-TB-active serrulatane, from Leucophyllum frutescens.

Stereochemical analysis of leubethanol, an anti-TB-active serrulatane, from Leucophyllum frutescens.
复制标题

DOI:
10.1021/np2000667
复制
发表时间:
2011-09-23
影响因子:
5.1
通讯作者:
Waksman N
Waksman N
中科院分区:
生物学2区
文献类型:
--
作者:
Molina-Salinas GM;Rivas-Galindo VM;Said-Fernández S;Lankin DC;Muñoz MA;Joseph-Nathan P;Pauli GF;Waksman N

文献摘要

参考文献

被引文献

相似文献

对 Leucophyllum frutescens (Berl.) I.M. Johnst 的甲醇根皮提取物进行生物活性引导的分馏导致了 leubethanol (1) 的鉴定,这是一种新的锯齿状二萜,具有对抗多重耐药和药物敏感的强毒力结核分枝杆菌菌株的活性。 Leubethanol (1) 通过 1D/2D NMR 数据鉴定为与 erogorgiane (2) 密切相关的 Serrulatane,并具有抗结核活性,最低抑制浓度在 6.25–12.50 µg/mL 范围内。 1 的立体化学证据来自于 1D 和 2D NOE 实验、1H-NMR 全自旋分析,以及通过实验振动圆二色性 (VCD) 光谱与密度泛函理论计算的两种非对映体 VCD 光谱的比较。
Bioactivity-guided fractionation of the methanolic root bark extract of Leucophyllum frutescens (Berl.) I.M. Johnst. led to the identification of leubethanol (1), a new serrulatane-type diterpene with activity against both multi drug-resistant and drug-sensitive strains of virulent Mycobacterium tuberculosis. Leubethanol (1) was identified by 1D/2D NMR data, as a serrulatane closely related to erogorgiane (2), and exhibited anti-TB activity with minimum inhibitory concentrations in the range 6.25–12.50 µg/mL. Stereochemical evidence for 1 was gleaned from 1D and 2D NOE experiments, 1H-NMR full spin analysis, as well as by comparison of the experimental vibrational circular dichroism (VCD) spectrum to density functional theory calculated VCD spectra of two diastereomers.
DOI: 10.1002/chir.20801
发表时间: 2009-01-01
期刊: CHIRALITY
影响因子: 2
作者:
Munoz, Marcelo A.;Chamy, Cristina;Joseph-Nathan, Pedro
通讯作者: Joseph-Nathan, Pedro
DOI: 10.1016/j.tet.2006.05.086
发表时间: 2006-11-06
期刊: TETRAHEDRON
影响因子: 2.1
作者:
Davies, Huw M. L.;Dai, Xing
通讯作者: Dai, Xing
DOI: 10.1139/v92-079
发表时间: 1992-02-01
影响因子: 1.1
作者:
GODBOUT, N;SALAHUB, DR;WIMMER, E
通讯作者: WIMMER, E
DOI: 10.1016/s0040-4020(03)00515-5
发表时间: 2003-06-02
期刊: TETRAHEDRON
影响因子: 2.1
作者:
Ata, A;Kerr, RG;Jacobs, RS
通讯作者: Jacobs, RS
DOI: 10.1016/j.phytochem.2006.04.014
发表时间: 2006-06-01
期刊: PHYTOCHEMISTRY
影响因子: 3.8
作者:
Liu, Qian;Harrington, David;Jamie, Joanne F.
通讯作者: Jamie, Joanne F.