Citation: Chuan Ming JIN, Guo Yuan LU, Xiao Zeng YOU. Synthesis of Pyridylazo-substituted Chromogenic Calix[4]arenes[J]. Chinese Chemical Letters, ;2001, 12(11): 959-960. shu

Synthesis of Pyridylazo-substituted Chromogenic Calix[4]arenes

Department of Chemistry, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093

Received Date: 26 March 2001

Fund Project: This work was supported by the National Natural Science Foundation of China (Grant No. 29872014).

This letter reports a novel method for preparing chromogenic calix[4]arenes, in which the 4-aminopyridine was diazotized with isoamyl nitrite in EtONa/EtOH, and mono(azo)-, bis(azo)-and tetra(azo)-substituted calix[4]arenes were obtained as main product respectively by diazo-coupling in different molar ratio to calix[4]arene in non-aqueous solution at 0-5℃.
- Chromogenic calix[4]arene,
- diazo-coupling,
- isoamyl nitrite,
- aminopyridine
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