Synthesis, Anti-Influenza H1N1 and Anti-Dengue Activity of A-Ring Modified Oleanonic Acid Polyamine Derivatives
MOLECULES(2022)
摘要
A series of sixteen A-ring modified (2,3-indolo-, 2-benzylidene) oleanonic acid derivatives, holding some cyclic amines, linear polyamines and benzylaminocarboxamides at C28, has been synthesized and screened for antiviral activity against influenza A/PuertoRico/8/34 (H1N1) and Dengue virus serotypes of DENV-1, -2, -3, -4. It was found that 28-homopiperazine 2 and 3-N-phthalyl 22 amides of oleanonic acid demonstrated high potency with selectivity index SI 27 (IC50 21 mu M) and 42 (IC50 12 mu M). Oleanonic acid aminoethylpiperazine amide 6 and C-azepano-erythrodiol 23 appeared to be the most effective compounds against DENV-1 (IC(50 ')s 67 and 107 mu M) and -2 (IC(50 ')s 86 and 68 mu M correspondingly) serotypes.
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关键词
triterpenoids,oleanolic acid,polyamine,Ugi derivatives,indole,benzylidene,antiviral activity,Dengue virus
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