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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1,徐赫1,汪涛2,杨善中1,丁运生1,魏海兵1,*()
NMR Spectroscopic Studies on (exo, endo) C-2 Monosubstituted Norbornene Derivatives
Zi-hao WANG1,He XU1,Tao WANG2,Shan-zhong YANG1,Yun-sheng DING1,Hai-bing WEI1,*()

图1. (a) exo-NB-COOH、(b) endo-NB-COOH、(c) exo-NB-CH2OH和(d) endo-NB-CH2OH的化学结构及计算机模拟能量最低构象(碳原子:灰色;氢原子:紫色;氧原子:红色)

Fig.1. The chemical structures of (a) exo-NB-COOH, (b) endo-NB-COOH, (c) exo-NB-CH2OH, and (d) endo-NB-CH2OH, and their calculated conformations with minimum energy (the gray, purple, and red balls stand for the C, H, and O atoms, respectively)