4-(((2-Aminoethyl)thio)methyl)-5-methylimidazole → 2-[2-(5-Methyl-4-imidazolylmethylthio)ethylamino]-3-nitro-4,5-dihydropyrrole

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Reaction Steps

A solution of 2-(5-methyl-4-imidazolylmethylthio)ethylamine (1.3 g, 0.0076 mol) and 2-methylthio-3-nitro-4,5-dihydropyrrole (1.2 g, 0.0075 mol) in ethanol (50 ml) was refluxed for 11/2 hours. The mixture was cooled, and the solid was filtered off and recrystallised from methanol/water to give 2-[2-(5-methyl-4-imidazolylmethylthio)ethylamino]-3-nitro-4,5-dihydropyrrole (1.4 g, 66%) m.p. 207.5°-208°.

Provenance & Evidence