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The synthesis of N6-(bis(ethylamino)methylene]-N2-[(1,1-dimethyl ethoxycarbonyl] lysine (Boc-diethylhomoarginine) by regiospecific amidination of lysine with (ethylamino) (ethylimino)-methanesulfonic acid (2) is described.
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Arzeno et al. (1990) studied this question.
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