N-[2-[N-(4-methoxybenzyl)-N-(2-pyridyl)amino]ethyl]-N-methyl-1,2-ethanediamine → N-cyano-N'-[2-[[(2-guanidino-4-thiazolyl)methyl]thio]ethyl]-N"-[2-[N-[2-[N-(4-methoxybenzyl)-N-(2-pyridyl)amino]ethyl]-N-methylamino]ethyl]guanidine

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Reaction Steps

Preparation is effected analogously to Example 1, using 0.53 g (1.7 mmol) of N-[2-[N-(4-methoxybenzyl)-N-(2-pyridyl)amino]ethyl]-N-methyl-1,2-ethanediamine and the equimolar amount of N-cyano-N'-[2-[[(2-guanidino-4-thiazolyl)methyl]thio]ethyl]-O-phenyl-isourea as starting materials. Working up by chromatography analogously to Example 1 yields the purified title compound in the form of a viscous oil which crystallises from absolute ether at -20° C. and is recrystallised from ethanol/ether; MS (+FAB method): m/z (rel. int. [%])=596 ([M+H]+, 1), 121 (100); IR (KBr): 2163 cm-1 (C≡N); m.p.: 56°-58° C. (ethanol/ether).

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