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. Author manuscript; available in PMC: 2014 Aug 16.
Published in final edited form as: J Org Chem. 2013 Aug 1;78(16):7859–7884. doi: 10.1021/jo401027r

Table 4.

Anti-proliferative activity produced by analogues containing amide linkers.

graphic file with name nihms604354u5.jpg
Entry R1 R2 MCF-7 (IC50, μM) SKBr3 (IC50, μM)
31a H H >100 >100
31b OMe H >100 >100
31c m-OMePh OMe >100 >100
31d Prenyl OAc 54.5 ± 0.6 55.2 ± 1.2