нужны 2 статьи:
1) Mono-(BOC)-Protected Diamines. Synthesis of tert-Butyl-N-alkyl-N-(2-aminoethyl)carbamates and tert-Butyl-N-[2-(alkylamino)ethyl] Carbamates
Authors: A. P. Krapcho a; Martin J. Maresch a; James Lunn a
Synthetic Communications, Volume 23, Issue 17 September 1993 , pages 2443 - 2449
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http://dx.doi.org/doi:10.1080/003979193080111302) Mono-Protected Diamines. N-tert-Butoxycarbonyl-,-Alkanediamines from ,-Alkanediamines
Authors: A. Paul Krapcho a; Christopher S. Kuell a
Synthetic Communications, Volume 20, Issue 16 August 1990 , pages 2559 - 2564
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http://dx.doi.org/doi:10.1080/00397919008053205