HCID 178454357, compound → HCID 178451191, compound

Participants

Reaction Steps

Nα,Nτ -bis-BOC-Histidine tert-Butyl Ester (23) was synthesized from Nα,Nτ -bis-BOC-histidine (13) according to the general procedure: yield, 77%; mp 98° C.; [α]25D +17.8° (c 1.3, CHCl3); IR 3880, 1750, 1710 cm-1 ; 1H NMR δ 7.98 (d, 1H, J=0.8), 7.13 (s, 1H), 5.59 (br d, 1H, J=8.4), 4.43 (dd, 1H, J=2.9, 5.1), 3.00 (d, 2H, J=5.2). Anal. Calcd for C20H34N3O6 : C, 58.2; H, 8.3,; N, 10.1. Found: C, 58.6; H, 8.2; N, 10.1.

Provenance & Evidence