N,N-Dimethyl-1,3-propanediamine → 2'-(2-Phenoxy-ethylsulfanylmethyl)-biphenyl-2-carboxylic acid (3-dimethylamino-propyl)-amide

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Reaction Steps

2′-(2-Phenoxy-ethylsulfanylmethyl)-biphenyl-2-carboxylic acid (3-dimethylamino-propyl)-amide was synthesized as described for 4′-(2-phenoxy-ethylsulfanylmethyl)-biphenyl-3-carboxylic acid (3-dimethylamino-propyl)-amide. 2′-(2-Phenoxy-ethylsulfanylmethyl)-biphenyl-2-carboxylic acid (0.7 g, 1.92 mmol, 1 eq.) in anhydrous THF was treated with 1,1-carbonyldiimidazole (0.32 g, 1.96 mmol, 1.02 eq.) and 3-(dimethylamino)propylamine (0.30 g, 2.30 mmol, 1.2 eq.). When complete, the reaction was worked up as described leaving an orange oil.

Provenance & Evidence