Synthesis of Novel Dehydroabietyl Skeleton Bearing Benzimidazole Derivatives and Their Chloride Ion Recognition
FENG, Shao-Bo a ZHANG, Ye b ZHOU, Qi a LI, Fang-Yao c PAN, Ying-Ming a CHEN, Zhen-Feng a WANG, Heng-Shan *,a
(a College of Chemistry and Chemical Engineering, Guangxi Normal University, Guilin 541004) (b Department of Chemistry and Engineering Technology, Guilin Normal College, Guilin 541004) (c College of Pharmacy, Guilin Medical University, Guilin 541004)
Five novel dehydroabietyl skeleton bearing benzimidazole derivatives 6a～6e were synthesized through several steps such as bromation, dinitration, reduction and cyclization by using methyl dehydroabietate as a starting material. The title compounds were characterized by 1H NMR and 13C NMR. The abilities of anion recognition by these benzimidazole derivatives have been investigated. Then the relationships between the structures and the abilities of chloride ion recognition by such dehydroabietyl skeleton bearing benzimidazole derivatives were discussed.