Nitril Grubu Tasıyan Kaliks[4]aren ve Polimer Destekli Türevinin Sentezi ve Civa Taşıma Özelliklerinin Karşılaştırılması

Yıl 2008, Cilt: 12 Sayı: 1, 1 - 8, 09.04.2009

Gülderen Uysal Akkuş Dilek Erol

Öz

Bu çalışma 5,11,17,23-tetra-ter-bütil-25,27-bis(3siyano)propoksikaliks[4]aren (2) ve bunun birden fazla kaliksaren birimininin bir arada olduğu uygun polimerik yapısının sentezini ve ekstraksiyon özelliklerini içermektedir. Başlangıç maddesi olarak kullanılan p-ter-bütilkaliks[4]aren literatürdeki metotlara göre sentezlendi. Daha sonra bu bileşiğe literatürdeki metotlar uyarlanarak 2 nolu bileşik elde edildi. Polimerik yapı (3) bileşik 2 ile Merrifield reçinesinin reaksiyonuyla elde edildi. Son olarak bu bileşiklerin faz-transfer çalışmaları sıvı-sıvı ekstraksiyon metodu kullanılarak gerçekleştirildi. Ekstraksiyon sonuçlarından görülmektedir ki monomer 2 Hg⁺² katyonuna karşı bir seçicilik göstermektedir. Halbuki, bunun polimeri (3) Ni²⁺ hariç seçilen metallerin hepsini iyi bir şekilde organik faza taşımaktadır.

Anahtar Kelimeler

Kaliks[4]Aren, Polimerik Kaliksaren, Sıvı-Sıvı Ekstraksiyon, Geçiş Metal Katyon

Kaynakça

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