Article ID Journal Published Year Pages File Type
1370620 Bioorganic & Medicinal Chemistry Letters 2011 4 Pages PDF
Abstract

Two new diterpenoid quinonemethides (1 and 2) along with two known compounds (3 and 4) were isolated from the hexane and ethyl acetate extracts of root nodules of Pygmacopremna herbacea. The structures of the new compounds were established by spectroscopic data interpretation. Single crystal X-ray diffraction analysis confirmed the structure of 1. The cytotoxic activities of these compounds were evaluated against A 549, HEPG2, MCF-7, PC-3 and HELA cancer cell lines. Compounds 4, 2 and 1 were shown very good cytotoxic activity.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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