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N-(6-methoxy-pyridazin-3-yl)-2,2-dimethyl-propionamide

3-pentyl bromide

→

title compound

수율 65.5%

N-[4-(1-Ethyl-propyl)-6-methoxy-pyridazin-3-yl]-2,2-dimethyl-propionamide

수율 65.5%

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실험 절차

Using a procedure analogous to Example 17B, from N-(6-methoxy-pyridazin-3-yl)-2,2-dimethyl-propionamide (6.09 g, 29.14 mmol) and Grignard reagent prepared from 3-pentyl bromide (18.1 mL, 160.3 mmol) and Mg (3.84 g, 160.26 mmol) gives the title compound (5.32 g, 19.1 mmol, 65%). 1H NMR (CDCl3): δ. 0.84 (t, J=7.5 Hz, 6H), 1.36 (s, 9H), 1.50-1.72 (m, 4H), 3.50-3.70 (m, 1H), 4.07 (s, 3H), 6.96 (s, 1H) ppm. ES-MS (m/z): calcd for C15H25N3O2 (M+H)+: 280.4. found: 280.2.

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