. Cq, 22 (Cq (CO 2 Me)) HR-MS (m/z): calculated mass for C 14 H 19 NO 5, pp.304-315

2. Hz, 2. , C. , and C. , 13 C NMR (125 MHz, CDCl 3 , ppm): ? 14, CH 3 (CO 2 Et)), ? 36.37 (CH 2 Ph), ? 51 Et)), ? 67.12 (*CH), ? 115.38 (CH, Ph), ? 129.34 (Cq, CH 2 Ph), ? 130.48 (CH, Ph), ? 154.56 (Cq (PhOH)), ? 171.60 (Cq (CO 2 Et)), ? 172.47 (Cq (CO 2 Me). HR-MS, pp.390-1528

A. Sys and J. =. , 66 (s, 3H, CH 3 ), ? 4.14 (q, Mono-inserted phenylalanine methyl ester : 1 H NMR (500 MHz 17 Hz, 2H, CH 2 NH), 3.60 (t, J = 6.7 Hz ,1H, CH) Ph). 13 C NMR (125 MHz, CDCl 3 , ppm): ? 14.13 (CH 3 (CO 2 Et)), 39.67 (CH 2 Ph), 49.32 (CH 2 NH)Cq (PhCH 2 )), 171.72 (Cq (CO 2 Et)), pp.94-97, 2002.

. Cq, HR-MS (m/z): calculated mass for C 14 H 19 NO 5 Na, pp.288-2881207, 12118.

4. Hz, 13 C NMR (125 MHz, CDCl 3 , ppm): ? 14, CH 3 (CO 2 Et)), 37.28 (CH 2 Ph), 52.87 (CH 2 NH) 126.69 (CH, Ph), 128.50 (CH, Ph), 129.37 (CH, Ph)Cq (PhCH 2 )), 171.48 (Cq (CO 2 Et)), 172.26 (Cq (CO 2 Me)). HR- MS, pp.17-24, 15796.

. Et, 13 C NMR (125 MHz, CDCl 3 , ppm): ? 14, Me)), 4.17 (q, J = 7.17 Hz, 2H, CH 2Cq (CO 2 Et)), 172.30 (Cq (CO 2 Me)). HR-MS, pp.44-47

. Et, 63 (s, 4H, NHCH 2 )), 3.65 (s, 2H, CH 2 (CH 2 NH)), 3.69 (s, 3H, CH 3 (CO 2 Me)), 4.15 (q, J = 7

2. Hz, 13 C NMR (125 MHz, CDCl 3 , ppm): ? 14, Cq (CO 2 Et)), 171.37 (Cq (CO 2 Me)). HR-MS, pp.31-34, 11101.

A. Sys, J. =. 1h, and *. Ch, CDCl 3 , ppm): ? 2, pp.93-96

C. Hz, 19 F NMR (CDCl 3 , 376 MHz, ppm): ? -62, 130.54 (q, 2J CF = 32 174.48 (Cq, CO 2 Me, pp.614754-457, 1351.

A. Sys and J. =. Phoh, 67 (s, 3H, CH 3 ), ? 5.16 (s, 2H, CH 2 OCO), 6.69 (d, J = 8, Mono-inserted tyrosine methyl ester: 1 H NMR (500 MHz Hz, 2H, CH 2 NH), 3.59 (t, J = 6.60 Hz, 1H, CH), pp.87-89

C. Hz, 19 F NMR (CDCl 3 , 376 MHz, ppm): ? -62, 130.45 (q, 2 JCF = 32.51 Hz, Cq), 139.42 (Cq) 174.32 (Cq, CO 2 Me), pp.3740-434, 2001.

. Cq, 12 (Cq, CO 2 CH 2 ) NMR 19 F (CDCl 3 , 376 MHz, ppm): ? -62 HR-MS (m/z): calculated mass for C 16 H 14 NO 2 F 3 Na, pp.332-08743

1. , N. Sys, and A. , 67 (s, 3H, CH 3 O), 5.1 (s, 2H, Mono-inserted phenylalanine methyl ester: 1 H NMR (500 MHz34 Hz, 2H, CH 2 NH), 3.64 (t, J = 6.81 Hz, 1H, CH) 51.89 (CH 3 O), 62.17 (*CH)Cq, CO 2 Me). HR-MS (m/z): calculated mass for C 20 H 23 NO 4 NaS [M+Na] + : [M+Na]+: 396, pp.96-99, 2001.

A. Sys and J. =. , CDCl 3 , ppm): ? 1.93 (s, 1H, NH), 2.47 (s, 3H, CH 3 S), 3, Mono-inserted tryptophan methyl ester: 1 H NMR (500 MHz35 Hz, 2H, CH 2 NH), 3.64 (s, 3H, CH 3 O), 3.69 (t, J = 6.08 Hz, 1H, CH), 5.03 (sys AB, J = 5.12 Hz, 2H, CH 2 Ph), 7.09 (d, J = 2.02 Hz, 1H, Hindole), pp.15-18

1. Hz and 1. Hindole-)-s, 13 C NMR (125 MHz, CDCl 3 , ppm): ? 15.73 (CH 3 S), 52.0 (CH 3 O), 61.23 (*CH) 123.19 (CH), 126.53 (CH), pp.7-49, 2001.

. Cq, HR-MS (m/z): calculated mass for C 20 H 23 NO 5 NaS [M+Na] + : [412, 171.68 (Cq, CO 2 CH 2 ), pp.412-1195, 11946.

6. J. Hz, 46 (d, JHP = 13, 3.96 (s broad, 1H, NH), pp.73-77

2. Hz, 68 (d, J = 7.8 Hz, 2H, Ph), pp.77-79

J. Hh and =. Hp-=, 79 (t, J = 1499 (s, 1H, Mono-inserted tryptophan methyl ester: 1 H NMR (500 MHz 3.04 (t, J = 12.94 Hz, 1H, CH 2 ), 3.08-3.21 (m, 2H, CH 2 (tryp)), 3.63 (s, 3H, CH 3 (OCH 3 )), 3.73 (t, J = 6.39 Hz, 1H, *CH) Ph), 7.57 (d, 1H, 7.88 Hz, Ph). 13 C NMR (125 MHz, CDCl 3 , ppm): ? 23.96 (2dCq (CO)). 31 P NMR (162MHz, pp.4-6

1. , *. Chm, and J. Hp-=-j-cp-=, CDCl 3 , ppm): ? 1.22 (t, J = 574 (t, J = 14, Mono-inserted tyrosine methyl ester: 1 H NMR (500 MHz81 Hz, 6H, CH 3 ), 1.26 (d, J = 6.18 Hz, 6H, CH 3 ), pp.77-79

2. Hz, 96 (d, 1H, 8.33 Hz, CH (Ph) 13 C NMR (125 MHz, ppm): ? 23.96 (2d, 3 J CP = 4.86 Hz, 2xCH 3 ), ? 24.1 (d, 3 J CP = 3.63 Hz, CH3) 71.42 (2dCq (CO 2 Me)). 31 P NMR (162 MHz, CDCl 3 , ppm): ? 22.93 (s). HR-MS (m/z): calculated mass for (C 17 H 28 NO 6 NaP) [M+Na] + : 396, pp.7471-396, 1552.

J. =. 1h, *. Ch-2h, and C. , Ph)). 13 C NMR (125 MHz, CDCl 3 , ppm): ? 24, Mono-inserted phenylalanine methyl ester: 1 H NMR (500 MHz 1H, NH), 2.76 (t, 1H, CH 2 (NHCH 2 )), 2.89-3.02 (m, CH 2 (Phenylala.) + 1 CH 2 (NHCH 2 )), 3.64 (t, 6.77 Hz,OCH 3 )), 63.66 (d, 3 J CP = 15.42 Hz, *CH)Ph), References [1] J. Kalia, R.T. Raines. [2] J. M. Antos, M.B. Francis, pp.27-28, 2006.

M. P. Doyle, F. Zaragoza, L. D. Cama, B. G. Christensen, 7. B. Liu et al., A: Chem, [16] I. Aviv. [26] M. Gulea, P. Marchand, S. Masson, M. Saquet, N. Collignon, pp.919-939, 1978.