引用本文:
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.
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.
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.
Synthesis of Pyridylazo-substituted Chromogenic Calix[4]arenes
摘要:
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℃.
English
Synthesis of Pyridylazo-substituted Chromogenic Calix[4]arenes
Abstract:
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℃.
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Key words:
- Chromogenic calix[4]arene
- / diazo-coupling
- / isoamyl nitrite
- / aminopyridine
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