外型和内型C-2位单取代降冰片烯衍生物的核磁共振波谱研究

王子豪,徐赫,汪涛,杨善中,丁运生,魏海兵

NMR Spectroscopic Studies on (exo, endo) C-2 Monosubstituted Norbornene Derivatives

Zi-hao WANG,He XU,Tao WANG,Shan-zhong YANG,Yun-sheng DING,Hai-bing WEI

表3 exo-NB-CH2OH上的1H和13CNMR化学位移归属

Table 3 1H and 13C NMR assignments of exo-NB-CH2OH

Position δC δH (J/Hz) 1H -1H COSY 1H-13C HMQC 1 43.3 2.75 (1H, m) H-6, 7a, 7b + 2 41.9 1.62 (1H, m) H-3a, 3b, 8a, 8b + 3a b 29.5 1.11 (1H, dt, J1=12.0 Hz, J2=J3=4.2 Hz) 1.25 (1H, ddd, J1=12.0 Hz, J2=8.4 Hz, J3=2.4 Hz) H-2, 3b, 4 H-2, 3a, 4 + 4 41.5 2.82 (1H, m) H-3a, 3b, 5, 7a, 7b + 5 136.8 6.07 (1H, dd, J1=6.0 Hz, J2=3.0 Hz) H-4, 6 + 6 136.4 6.11 (1H, dd, J1=6.0 Hz, J2=3.0 Hz) H-1, 5 + 7a b 44.9 1.29 (1H, d, J1=9.0 Hz) 1.34 (1H, d-quint, J1=9.0 Hz, J2=1.8 Hz) H-1, 4, 7b H-1, 4, 7a + 8a b 8β 67.5 3.53 (1H, dd, J1=10.8 Hz, J2=8.4 Hz) 3.70 (1H, dd, J1=10.8 Hz, J2=6.6 Hz) 1.49 (1H, s) H-2, 8b H-2, 8a / +