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(a) (i) NaOH, PTC*, toluene/H2O; (ii) recrystallized from toluene/MeOH; (b) (i) MsOH, toluene, 90 °C; (ii) ∼10% Pd/C, H2, HCl/MeOH, rt, o/n. PTC*: Chiral phase transfer catalyst. Please see Experimental Section for details.
