Synthesis and Conformation of New Azo-functionalized Calix[4]arenes  

Synthesis and Conformation of New Azo-functionalized Calix[4]arenes

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作  者:邢彦军 王艳佳 

机构地区:[1]College of Chemistry and Chemical Engineering, Donghua University, Shanghai 200051, China

出  处:《Chinese Journal of Chemistry》2006年第9期1209-1213,共5页中国化学(英文版)

摘  要:A new family of functionalized calix[4]arenes has been synthesized from calix[4]arene or azo-calix[4]arene by acylation with the corresponding co-alkylmercapto acid chloride. Six new compounds 4a-4e and 5a-5e were isolated and characterised by MALDI, elemental analyses, IH NMR and 13C NMR. NMR spectral data showed that these azo-functionalized calix[4]arenes 5a-5c are all in 1,3-alternate conformation in solution at room temperature while calix[4]arenes 4a-4e are all in cone conformation. The IR and UV properties of calix[4]arenes 5n-5e were also investigated.A new family of functionalized calix[4]arenes has been synthesized from calix[4]arene or azo-calix[4]arene by acylation with the corresponding co-alkylmercapto acid chloride. Six new compounds 4a-4e and 5a-5e were isolated and characterised by MALDI, elemental analyses, IH NMR and 13C NMR. NMR spectral data showed that these azo-functionalized calix[4]arenes 5a-5c are all in 1,3-alternate conformation in solution at room temperature while calix[4]arenes 4a-4e are all in cone conformation. The IR and UV properties of calix[4]arenes 5n-5e were also investigated.

关 键 词:CALIX[4]ARENE azo-functionalized 1 3-alternate ACYLATION 

分 类 号:O625.1[理学—有机化学]

 

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