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Synthesis of compounds 8a-g and 9a-e.a
aReagents and conditions: (a) appropriate oxirane, isopropanol, reflux, overnight; (b) appropriate halide, K2CO3, acetonitrile, reflux; (c) CDI, 3-phenylpropanoic acid, THF, RT, overnight; (d) H2O2, CH3COOH/CH3OH, 40 °C, overnight.
