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Catalytic Effects of the New Schiff Base Metal Complexes on the Conversion of Benzyl Alcohol to Benzaldehyde and Benzoic Acid

Cengiz Ayhan Zıba, Mustafa Dolaz, Nuran Çelikçi

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Abstract

Abstract In this study, two new salicylidene hydroxyl ligands (HL1 and HL2) and their metal complexes (Cu2+, Mn2+, Fe3+, Ru3+, Cr3+, and VO2+) were synthesized and characterized by the spectroscopic and analytical methods. The molecular structure of the ligand HL1 was determined by a single-crystal X-ray diffraction study. Catalytic effects of the Schiff base metal complexes on benzyl alcohol were investigated in the H2O2 medium. In this oxidation reaction, the percent conversion of benzyl alcohol to benzaldehyde and benzoic acid was determined as %benzaldehyde and %benzoic acid by the gas chromatography (GC) method. Finally, the synthesized metal complexes found the highest catalytic effect that Co and Mn metal complexes 97-98% benzyl alcohol conversion. And maximum %benzoic acid formation is seen in MnL1 (39%) and VOL1 (58%) metal complexes.

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Abstract In this study, two new salicylidene hydroxyl ligands (HL1 and HL2) and their metal complexes (Cu2+, Mn2+, Fe3+, Ru3+, Cr3+, and VO2+) were synthesized and characterized by the spectroscopic and analytical methods. The molecular structure of the ligand HL1 was determined by a single-crystal X-ray diffraction study. Catalytic effects of the Schiff base metal complexes on benzyl alcohol were investigated in the H2O2 medium. In this oxidation reaction, the percent conversion of benzyl alcohol to benzaldehyde and benzoic acid was determined as %benzaldehyde and %benzoic acid by the gas chromatography (GC) method. Finally, the synthesized metal complexes found the highest catalytic effect that Co and Mn metal complexes 97-98% benzyl alcohol conversion. And maximum %benzoic acid formation is seen in MnL1 (39%) and VOL1 (58%) metal complexes.

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Available abstract

Abstract In this study, two new salicylidene hydroxyl ligands (HL1 and HL2) and their metal complexes (Cu2+, Mn2+, Fe3+, Ru3+, Cr3+, and VO2+) were synthesized and characterized by the spectroscopic and analytical methods. The molecular structure of the ligand HL1 was determined by a single-crystal X-ray diffraction study. Catalytic effects of the Schiff base metal complexes on benzyl alcohol were investigated in the H2O2 medium. In this oxidation reaction, the percent conversion of benzyl alcohol to benzaldehyde and benzoic acid was determined as %benzaldehyde and %benzoic acid by the gas chromatography (GC) method. Finally, the synthesized metal complexes found the highest catalytic effect that Co and Mn metal complexes 97-98% benzyl alcohol conversion. And maximum %benzoic acid formation is seen in MnL1 (39%) and VOL1 (58%) metal complexes.

Key concepts: Benzaldehyde, Benzyl alcohol, Benzoic acid, Schiff base, Catalysis, Chemistry, Metal, Ligand (biochemistry)

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Catalytic Effects of the New Schiff Base Metal Complexes on the Conversion of Benzyl Alcohol to Benzaldehyde and Benzoic Acid — Research Paper | ScholarLens