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Synthesis of amide isosteres of schweinfurthin-based stilbenes
Journal article   Peer reviewed

Synthesis of amide isosteres of schweinfurthin-based stilbenes

David P Stockdale, John A Beutler and David F Wiemer
Bioorganic & medicinal chemistry, Vol.25(20), pp.5483-5489
10/15/2017
DOI: 10.1016/j.bmc.2017.08.016
PMCID: PMC5763908
PMID: 28866376
url
https://www.ncbi.nlm.nih.gov/pmc/articles/5763908View
Open Access

Abstract

[Display omitted] The schweinfurthins are plant-derived stilbenes with an intriguing profile of anti-cancer activity. To obtain analogues of the schweinfurthins that might preserve the biological activity but have greater water solubility, a formal replacement of the central olefin with an amide has been explored. Two pairs of amides have been prepared, each containing the same hexahydroxanthene “left half” joined through an amide linkage to two different “right halves.” In each series, the amide has been inserted in both possible orientations, placing the carbonyl group on the tricyclic ABC ring system and the amine on the D-ring, or placing the amine on the hexahydroxanthene and the carbonyl group on the D-ring. The four new schweinfurthin analogues have been tested in the NCI 60 cell line screen, and in both cases the more active isomer carried the carbonyl group on the C-ring.
Schweinfurthin Amide isostere Stilbene Cancer

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