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1 exo-NB-COOH上的1H和13C NMR化学位移归属

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

Position δC δH (J/Hz) 1H-1H COSY 1H-13C HMQC 1 46.7 3.11 (1H, m) H-6, 7a, 7b + 2 43.1 2.27 (1H, m) H-3a, 3b + 3a b 30.3 1.96 (1H, dt, J1=11.4 Hz, J2=3.0 Hz) 1.40 (1H, m) H-2, 3b, 4 H-2, 3a, 4 + 4 41.7 2.94 (1H, m) H-3a, 3b, 5, 7a, 7b + 5 138.1 6.15 (1H, dd, J1=5.4 Hz, J2=3.0 Hz) H-4, 6 + 6 135.7 6.12 (1H, dd, J1=5.4 Hz, J2=3.0 Hz) H-1, 5 + 7a b 46.4 1.39 (1H, d, J=8.4 Hz) 1.54 (1H, d, J=8.4 Hz) H-1, 4, 7b H-1, 4, 7a + 8 182.7 11.61 (1H, br) / /