Design and synthesis of 3,5-disubstituted 1,2,4-oxadiazole containing retinoids from a retinoic acid receptor agonist
2011
Das, Bhaskar C. | Tang, Xiang-Ying | Sanyal, Swarnava | Mohapatra, Seetaram | Rogler, Patrick | Nayak, Sabita | Evans, Todd
We previously synthesized novel retinoid libraries, and after screening for bioactivity found one compound BT10 that functions as a specific agonist for retinoic acid receptors. This lead compound was further derivatized using SAR and LRD to obtain 3,5-disubstituted-1,2,4-oxadiazole-containing retinoids. The new oxadiazole (amide bioisosters)-containing retinoids (compounds 1, 2, 3, 4, 5, and 6) were synthesized in 42–65% yield by reacting with (E)-4-((3-ethyl,2-4,4,4-trimethylcyclohex-2-enylidene)methyl)benzoic acid and phenyl substituted amidoxime in DMF using CDI as the coupling reagent. The biological activities of the synthesized compounds are currently being evaluated.
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