Sübstitüe Perimidin Ligantları ile Metal Klorürlerin Varlığında CO2’in Organik Ürünlere Dönüşümü

Year 2019, Volume: 45 Issue: 1, 60 - 70, 30.04.2019

Emine Aytar , Veli Kasım

Abstract

Bu çalışmada
2-piridinkarboksaldehit/Kinolin-2-karboksaldehit ve 1,8-diaminonaftalenden yola
çıkılarak sübstitüe perimidin ligant sistemleri (L₁ve L₂)
sentezlendi. Bu bileşiklerin yapıları ¹H ve ¹³C-NMR Spektroskopisi,
FT-IR, UV Spektroskopisi, Kütle Spektroskopisi, Elementel Analiz ve Erime
Noktası Ölçümü yöntemleri ile aydınlatıldı. Elde edilen bileşikler (L₁ve L₂) ve metal tuzları (ZnCI₂ ve CuCI₂)
birlikte kullanılarak insutu sistemi ile CO₂’in halkalı karbonatlara
dönüşüm reaksiyolarında katalizör olarak katalitik etkileri araştırıldı.
Kinolin-2-karboksaldehit sübstitüenti içeren L₂ ligantı ve ZnCI₂’ün oluşturduğu in situ
sistemi %90.4 verim ve %99.4 seçicilikle en aktif katalizör sistemi olarak
tespit edildi.

Keywords

Katalizör, CO2 ‘in Dönüşümü, Epoksit, Halkalı Karbonat

Conversion of CO2 to Organic Products in the Presence of Metal Chlorides with Substituted Perimidine Ligants

Abstract

In this study, substituted
perimidine ligant systems (L₁and L₂)
derived from 2-pyridinecarboxaldehyde/quinoline-2-carboxaldehyde and
1,8-diaminonaphthalene has been synthesized. The structures of these compounds
were characterized by means of NMR (¹H and ¹³C) spectra,
FT-IR spectra, UV-Vis spectra, mass spectra, melting point measurements, as
well as elemental analysis (C, H, N). The obtained and fully chatacterized
compounds (L₁and L₂) and metal salts (ZnCI₂
ve CuCI₂) were used together as insutu catalytic system and
investigated their activity. The in situ system of L₂ ligant
bearing the quinoline-2-carboxaldehyde and ZnCI₂ showed superior
activity (90.4% yield and 99.4% selectivity).

Keywords

Catalysts, CO2 fixation, Epoxide, Cyclic carbonates

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