Dimethylformamide → 4-[(3-benzyloxy-4-methoxybenzyl)(4-cyanophenyl)amino]-4H-[1,2,4]triazole

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The title compound was prepared by adapting the method for 4-[(3-benzyloxybenzyl)(4-cyanophenyl)amino]-4H-[1,2,4]triazole using NaH (60% dispersion in oil, 0.22 g, 5.4 mmol), 4-[(4-cyanophenyl)amino]-4H-[1,2,4]triazole (1.0 g, 5.68 mmol) and 4-methoxy-3-benzyloxybenzyl bromide[Meyers, 1989] (1.66 g, 5.4 mmol) in anhydrous DMF (5 mL) to give 4-[(3-benzyloxy-4-methoxybenzyl)(4-cyanophenyl)amino]-4H-[1,2,4]triazole as an off-white solid (0.97 g, 44%) after recrystallisation; mp. 138-141° C.; δH (400 MHz, CDCl3) 3.89 (s, 3H), 4.72 (s, 2H), 5.12 (s, 2H), 6.59 (AA′BB′, 2H), 6.62 (d, J=2, 1H), 6.64 (dd, J=7.8, 2, 1H), 6.79 (d, J=7.8, 1H), 7.28-7.34 (m, 5H), 7.57 (AA′BB′, 2H), 7.74 (s, 2H); LRMS (FAB+) m/z (rel. intensity) 412 (100, [M+H]), 343 (51), 227 (72%); HPLC: tR=2.21 min (94%); HRMS (FAB+): Found 412.1774 C24H22N5O2 requires 412.1776.

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