3-(Trifluoromethyl)benzaldehyde → tert-Butyl [1-[[3-(trifluoromethyl)phenyl]methyl]azetidin-3-yl]carbamate

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Reaction Steps

To a solution of tert-butyl azetidin-3-ylcarbamate (0.34 g, 2 mmol) in dichloroethane was added 3-(trifluoromethyl)benzaldehyde (0.45 g, 2.6 mmol) and sodium triacetoxyborohydride (0.64 g, 3 mmol). The resultant mixture was stirred at room temperature for 16 hours, and then the mixture was diluted with dichloromethane and washed with aqueous NaHCO3 solution. The organic layer was separated, dried over MgSO4, and concentrated. The residue was purified by flash chromatography on silica gel eluting with 30-70% ethyl acetate/hexane to yield the title compound.

Provenance & Evidence