HCID 86602200, compound → Ethyl 7-oxo-3-azabicyclo[3.3.1]nonane-3-carboxylate

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Reaction Steps

Ethyl 7-oxo-3-azabicyclo[3.3.1]nonane-3-carboxylate ethylene ketal (4.40 g, 17.2 mmol) was combined with 2% aqueous H2SO4(50 ml) and stirred for 4 h. Then the reaction mixture was extracted with ethyl acetate (4×30 ml). The combined extracts were dried over sodium sulfate, filtered and concentrated by rotary evaporation to yield a light yellow oil (3.20 g, 88.1%).

Provenance & Evidence