Fig. 3: Gram-scale reaction and functional group transformations.

a Gram-scale reaction. b Functional group transformations. Reaction conditions: a3a (0.1 mmol), LiOH (2 equiv) in THF/H2O 4:1 (1 mL) at room temparature. b3a (0.1 mmol), K2CO3 (2 equiv) in MeOH (1 mL) at room temparature. c3a (0.1 mmol), NaBH4 (1.5 equiv) in MeOH (1 mL) at room temperature. d5a (0.1 mmol), PhNH2 (1.2 equiv) and TsOH (0.1 equiv) in toluene (1 mL) at 100 °C.