| 1H | −0.18 (s, 2H, CH2); 0.095 (s, 9 H, GeMe3); 0.16 (s, 6H, SiMe2); 4.35 (t, J = 6 Hz, 2H, Ph), 4.80 (t, J =6 Hz, 1H, Ph), 4.82 (d, J =6 Hz, 2H, Ph) |
| 13C | −0.63 (SiMe2); 0.72(GeMe3); 2.09 (CH2); 90.57, 95.02, 99.09 (Ph), 100.93 (ipso); 233.69 (CO) |
| 29Si | 1.13 |