Diisopropylethylamine → 3-(Chloromethyl)-N-[(2,4-dimethoxyphenyl)methyl]-1,2,4-thiadiazol-5-amine

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Reaction Steps

A solution of 5-chloro-3-chloromethyl-[1,2,4]thiadiazole (3 g, 18 mmol, [74461-64-6]) in DCM (20 mL) was treated with DIPEA (1 eq), followed by 2,4-dimethoxybenzylamine (1 eq). After stirring overnight, the mixture was concentrated and purified by silica gel chromatography (10% MeOH/EtOAc) to afford (3-chloromethyl-[1,2,4]thiadiazol-5-yl)-(2,4-dimethoxy-benzyl)-amine, which was used directly in the next step.

Provenance & Evidence