Cyclohexylisopropylamine → HCID 54014012, 화합물

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n-Butyl lithium (4.99 mmol) in hexane was added to N-isopropyl cyclohexylamine (0.69 g, 4.88 mmol, Aldrich Chem Co.) in dry tetrahydrofuran (20 ml) at -78° under nitrogen. After 15 mins, ethyl trimethylsilylacetate (0.78 g, 4.88 mmol, Fluka Chem. Co.) was added. After a further 10 mins, 11-(3',5'-bistrifluoromethylbenzyloxy) undeca-4-ene-3-one (1 g, 2.44 mmol) was added and the temperature was allowed to reach room temperature. After conventional work-up and chromatography on silica, ethyl 11-(3',5'-bistrifluoromethylbenzyloxy)-3-ethyl-undeca-2, 4- dienoate was obtained as a mixture of two isomers.

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