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New labdane diterpenoids from Salvia leriifolia: Absolute configuration, antimicrobial and cytotoxic activities

Moridi Farimani, M. and Taleghani, A. and Aliabadi, A. and Aliahmadi, A. and Esmaeili, M. A. and Sarvestani, N. N. and Khavasi, H. R. and Smiesko, M. and Hamburger, M. and Ebrahimi, S. N.. (2016) New labdane diterpenoids from Salvia leriifolia: Absolute configuration, antimicrobial and cytotoxic activities. Planta Medica, 82 (14). pp. 1279-1285.

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Official URL: http://edoc.unibas.ch/44443/

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Abstract

Fractionation of an n-hexane extract of the aerial parts of Salvia leriifolia led to the isolation of two new (1, 2) and two known (3, 4) labdane diterpenoids, together with three other known compounds. The structures were established by a combination of 1D and 2D NMR, and HRESIMS. The structures of 1 and 3 were confirmed by single-crystal X-ray analysis. The absolute configuration of 1–4 was established by electronic circular dichroism spectroscopy. Compounds 1–4 were evaluated for their cytotoxic activities against MCF-7 human breast cancer cells. Labdanes 3 and 4 were additionally tested against MDA-MB231 human breast cancer and DU-145 human prostate cancer cell lines. Compound 4 showed IC50 values of 25, 50, and 50 µM against MCF-7, MDA-MB231, and DU-145 cells, respectively. Compounds 1–4 were tested for activity against gram-positive (Staphylococcus aureus) and gram-negative (Escherichia coli) bacteria. Compound 3 showed an MIC of 213 µM against methicillin-resistant S. aureus.
Faculties and Departments:05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Molecular Modeling (Vedani)
05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Pharmazeutische Biologie (Hamburger)
UniBasel Contributors:Hamburger, Matthias and Smiesko, Martin
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Georg Thieme Verlag
ISSN:0032-0943
e-ISSN:1439-0221
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:30 Oct 2017 08:10
Deposited On:30 Oct 2017 08:10

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