Table 1. Structures and Y1R affinities of the reported argininamides 1–9.
| |||
| Compd. | Ref. | R | pKi |
| 1 (BIBP-3226) | a, b |
|
9.00 |
| 2 (UR-MK299) | a |
|
10.11 |
| 3 (UR-MK136) | a, c |
|
8.92 |
| 4 | a |
|
9.25 |
| 5 | a |
|
8.16 |
| 6 | a |
|
7.39 |
| 7 | d |
|
6.82 |
| 8 | a |
|
<6.00 |
| 9 | a |
|
6.40 |