Triethylamine → HCID 54224900, compound

Participants

Reaction Steps

1.0 g (2.43 mmol) of t-butyl 4-(cyclohexylmethyl)-5-(4-hydroxy-2-isopropylbutyl)-2,2-dimethyl-3-oxazolidinecarboxylate in 50 ml of methylene chloride is treated with 0.38 ml (2.7 mmol) of triethylamine and 0.24 ml (2.7 mmol) of propionyl chloride and stirred at room temperature for 12 hours. After the usual working-up the crude product is purified by flash chromatography on silica gel with a 1:5 mixture of ether and petroleum ether, whereby there is obtained 1.0 g (88%) of t-butyl (4S,5S)-4-(cyclohexylmethyl)-5-[(S)-2-isopropyl-4-(propionyloxy)butyl]-2,2-dimethyl-3-oxazolidinecarboxylate as an oil, MS: 452 (M-CH3)+.

Provenance & Evidence