“…H); 6,86(s, NH); 6,6 (hr., COOH); 5,64 (d, J = 8, NH); 5,lO (s, PhCH20); 4,03 (dd, J = 8, 7, CH(2.1)); 2,35-1,0 (m, CH3(3.1), CH2(4.1), 8 H von Acp); 0,92 (d, J = 7, CH3(3'.1)); 0 3 8 (I, J = 7,CH,(5.1)). "C-NMR (50,4 MHz, CDC1,): 176,9 (s, COOH); 172,l (s, Amid-CO); 156,7 (s, Urethan-CO); 136, 1,128,5,128,1,127,9 (6arom. C);67,l ( t ,PhCH,O); 66,2 (s, C(2.2)); 59,5 (d, C(Z.1)); 37,2(d,C(3.1)); 37, 1,36,8(2t, C(3.2), C(6.2)); 24,7,24,53,24,50(3t,C(4.I),C(4.2), C(5.2)); 15,3 (4, C(3I.I)); 11,l (q, C(5.1)).…”