| 1H | −0.65 (s, 1H, 2J119Sn-H = 78 Hz, CH); 0.038 (s, 9H, 2J119Sn-H = 51.6 Hz, 2J117Sn-H = 50.4 Hz, SnMe3); 0.087 (s, 9 H, GeMe3); 0.29 (s, 3H SiMe), 0.31 (s, 3H, SiMe); 4.33 (t, J = 6 Hz, 2H, Ph), 4.70 (t, J = 6 Hz, 1H, Ph), 4.89 (d, J = 6 Hz, 2H, Ph) |
| 13C | −5.48 (SnMe3); −1.74(CH); 0.88 (SiMe), 0.99 (SiMe); 3.02(GeMe3); 89.92, 95.61, 99.95 (Ph), 102.1 (ipso); 233.68 (CO) |
| 119Sn | 12.51 |
| 29Si | 2.29 (2J29Si-119Sn = 24.3 Hz) |