Table 6.
Nonpolar, Aromatic AAsa
| l-phenylalanine (Phe/F) | l-tyrosine (Tyr/Y) | l-tryptophan (Trp/W) | |||
|---|---|---|---|---|---|
| α | 3.982 (dd, 1H), 5.21, 7.91 | α | 3.931 (dd, 1H), 5.15, 7.77 | α | 4.046 (dd, 1H), 4.83, 8.09 |
| β2 | 3.271 (ddd, 1H), 5.21, −14.5, 0.573 | β2 | 3.185 (ddd, 1H), 5.15, −14.7, 0.499 | β2 | 3.472 (dd, 1H), 4.83, −15.4 |
| β3 | 3.112 (ddd, 1H), 7.91, −14.5, 0.450 | β3 | 3.044 (ddd, 1H), 7.77, −14.7, 0.426 | β3 | 3.293 (dd, 1H), 8.09, −15.4 |
| δ | 7.317 (dddddd, 2H), 0.573, 0.450, 1.97, 7.71, 0.529, 1.20 | δ | 7.181 (ddddd, 2H), 0.499, 0.426, 2.59, 8.43, 0.442 | δ1 | 7.309 (s, 1H) |
| ε | 7.416 (dddd, 2H), 7.71, 0.529, 1.30, 7.48 | ε | 6.889 (ddd, 2H), 8.34, 0.442, 2.59 | ε3 | 7.723 (ddd, 1H), 0.271, 1.06, 8.00 |
| ζ | 7.366 (dd, 1H), 1.20, 7.48 | ζ2 | 7.531 (ddd, 1H), 8.21, 0.926, 0.271 | ||
| η2 | 7.191 (ddd, 1H), 0.926, 7.05, 8.00 | ||||
| ζ3 | 7.274 (ddd, 1H), 8.21, 7.05, 1.06 | ||||
a
NMR parameters determined by HiFSA analysis: δH (multiplicity, rel. integrals), J [Hz].