SÜRDÜRÜLEBİLİR HOMOJEN KATALİZDE BİS(BENZİMİDAZOL-2-İL)PİRİDİN (BZIMPY) KOMPLEKSLERİ
Özet
Üç dişli (N,N,N-donör) ligandlar, yüksek etkinlik ve seçicilik sunan homojen katalizörlerin geliştirilmesinde temel bir rol oynar. Bu sistemler içinde 2,6-bis(benzimidazol-2-il)piridin (bzimpy); tek basamaklı sentetik erişilebilirliği, metale düzlemsel ve rijit koordinasyonu ve kanat ucu (wingtip) konumlarından kolayca türevlendirilebilmesiyle dikkat çeker. Bu bölümde, bzimpy ligandlarının sentezi, koordinasyon kimyası ile Ru, Rh, Ir, Pd ve Cu kompleksleri incelenmiştir. Komplekslerin keton transfer hidrojenasyonu, Suzuki–Miyaura C–C eşleşmesi ve tek kapta tandem eşleşme/transfer hidrojenasyonu tepkimelerindeki katalitik performansları; ligand sübstitüentlerinin ve metal merkez sayısının etkisi çerçevesinde değerlendirilmiştir. Son olarak bu katalizör sistemleri; yükleme miktarı, çözücü ve baz seçimi, metal bolluğu ve basamak ekonomisi gibi yeşil kimya parametreleri açısından tartışılmıştır.
Anahtar Kelimeler: bis(benzimidazol-2-il)piridin, homojen kataliz, transfer hidrojenasyon, tandem kataliz, yeşil kimya
Konu Alanı: Kimya -> Kimya (diğer) -> Anorganik Kimya
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