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Nα-tert-Butyloxycarbonyl-ornitine was reacted with 2-formylphenylboronic acid in methanol-triethylamine and subsequently treated with sodium borohydride (Wiskur et al, Org. Letters 2001, 3, 1311). The resulting secondary amine was transformed to the methyl ester by treatment with methanol and trimethylsilyl chloride, 10:1, to give N′-(2-boronobenzyl), methyl ornitinate, dihydrochloride.