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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Bioorg Med Chem Lett. 2014 Oct 6;24(23):5534–5536. doi: 10.1016/j.bmcl.2014.09.075

Figure 2. Synthesis of (E,E)-2,5-bis(4’-hydroxy-3’-carboxystyryl)-1-iodobenzene (2).

Figure 2

a, NBS (recrystallized), AIBN (cat), CCl4; b, P(OCH2CH3)3; c, NaOCH3, 3-carbomethoxy-4-methoxybenzaldehyde, CH3OH; d, BBr3, CH2Cl2, −78°C; e, Ac2O, Py; f, Pd(PPh3)4, (n-Bu)3SnSn(n-Bu)3; g, NaI, H2O2; h, NaOH, aq CH3OH.