N-(4-Aminobutyl)-N-methyl carbamic acid tert-butyl ester → {4-[(5-Chloro-3-methyl-pyridin-2-ylmethyl)-amino]-butyl}-methyl-carbamic acid tert-butyl ester

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Yellow oil prepared from (4-amino-butyl)-methyl-carbamic acid tert-butyl ester and 5-chloro-3-methyl-pyridine-2-carbaldehyde. 1H NMR (CDCl3) δ 1.44 (s, 9H), 1.50-1.60 (m, 4H), 2.27 (s, 3H), 2.30-2.36 (m, 2H), 2.83 (s, 3H), 3.20-3.26 (m, 2H), 3.83 (s, 2H), 8.34 (d, 1H, J=1.5 Hz), 7.4 (d, 1H, J=1.9 Hz).

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