Diisopropylethylamine → {4-[(3,4-Dimethoxy-pyridin-2-ylmethyl)-(3,5-dimethyl-pyridin-2-ylmethyl)-amino]-butyl}-carbamic acid tert-butyl ester

Participants

Reaction Steps

Using General Procedure A: Reaction of {4-[(3-methyl-pyridin-2-ylmethyl)-amino]-butyl}-carbamic acid tert-butyl ester, 3,4-dimethoxy-2-chloromethylpyridinium hydrochloride, DIPEA and KI in CH3CN gave {4-[(3,4-dimethoxy-pyridin-2-ylmethyl)-(3,5-dimethyl-pyridin-2-ylmethyl)-amino]-butyl}-carbamic acid tert-butyl ester as an oily residue. 1H NMR (CDCl3) δ 1.30-1.35 (m, 2H), 1.43 (s, 9H), 1.48-1.55(m, 2H), 2.14 (s, 3H), 2.27 (s, 3H), 2.95-3.00 (m, 2H), 3.76 (s, 6H), 3.91 (s, 3H), 5.14 (bs, 1H), 6.79 (d, 1H, J=6.9 Hz), 7.22 (s, 1H), 8.19 (s, 1H), 8.25 (d, 1H, J=6.9 Hz).

Provenance & Evidence