3-((tert-Butoxycarbonyl)amino)-3-methylbutanoic acid → HCID 19025722, compound

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Reaction Steps

Prepared from 3-t-butoxycarbonylamino-3-methylbutanoic acid (Example 31, Step E) and the amine obtained in Step E by the procedure described in Example 1, Step F. 1H NMR (200 MHz, CDCl3): 1.33 (s,6H), 1.42 (s,9H), 1.80 (m,1H), 2.24 (m,2H), 2.50 (d,2Hz,1H), 7.43 (dd;2,8 Hz;1H). FAB-MS: calculated for C20H28IN3O4 501; found 502 (M+H,20%).

Provenance & Evidence