| Yazarlar |
Prof. Dr. İzzet ŞENER
Ankara Üniversitesi, Türkiye |
Fikret Karcı
Pamukkale Üniversitesi, Türkiye |
|
Hasalettin Deligöz
Pamukkale Üniversitesi, Türkiye |
|
Emine Kılıç
Ankara Üniversitesi, Türkiye |
| Özet |
| Synthesis of some novel hetarylazocalix[4]arene dyes was achieved by diazotisation of six heterocyclic amines using nitrosyl sulphuric acid, coupling with calix[4]arene. The absorption spectra of the dyes are discussed, both the effect of varying pH and solvent upon the absorption ability of azocalixarenes. The hetarylazocalix[4]arene readily undergo acidic dissociation into the common anion in DMF and DMSO. Absorption maxima of the dyes showed large bathochromic effects in comparison with analogues dyes containing carbocyclic amine residue. The colour of the dyes is discussed with respect to the nature of the heterocyclic ring and substituents there in. Concentration effects on the visible absorption maxima of the dyes are also reported. © 2004 Elsevier Ltd. All rights reserved. |
| Anahtar Kelimeler |
| calixarene,azocalix[4]arenes,heterocyclic amines,calixarene dyes,diazo-coupling reaction,solvent effect,substituent effect,absorption properties |
| Makale Türü | Özgün Makale |
| Makale Alt Türü | SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale |
| Dergi Adı | DYES AND PIGMENTS |
| Dergi ISSN | 0143-7208 |
| Dergi Tarandığı Indeksler | SCI |
| Makale Dili | İngilizce |
| Basım Tarihi | 08-2004 |
| Cilt No | 62 |
| Sayı | 2 |
| Sayfalar | 141 / 148 |
| Doi Numarası | 10.1016/j.dyepig.2003.11.015 |
| Atıf Sayıları | |
| WoS | 36 |
| SCOPUS | 36 |
| Google Scholar | 44 |
| Google Scholar | 44 |
