3-Methylpyridine-2-carboxaldehyde → {4-[(3-Methyl-pyridin-2-ylmethyl)-(1-pyrazin-2-yl-ethyl)-amino]-butyl}-carbamic acid tert-butyl ester

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Reaktionsschritte

Using General Procedure B: Reaction of [4-(1-pyrazin-2-yl-ethylamino)-butyl]-carbamic acid tert-butyl ester and 3-methyl-pyridine-2-carbaldehyde in CH2Cl2 with NaBH(OAc)3 gave {4-[(3-methyl-pyridin-2-ylmethyl)-(1-pyrazin-2-yl-ethyl)-amino]-butyl}-carbamic acid tert-butyl ester (229 m, 63%) as an oil. 1H NMR (CDCl3) δ 1.26-1.39 (m, 6H), 1.43 (s, 9H), 1.50 (d, 1H, J=7.0 Hz), 2.30 (s, 3H), 2.90-2.96 (m, 2H), 4.05 (s, 2H), 4.08 (d, 1H, J=7.0 Hz) 7.10 (dd, 1H, J=7.5, 4.8 Hz), 7.41 (d, 1H, J=7.5 Hz), 8.37 (dd, 1H, J=5.1, 1.2 Hz), 8.39 (s, 1H), 8.48-8.50 (m, 1H), 8.63 (d, 1H, J=1.5 Hz).

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