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۱Manganese (III)–Bis(salicylaldehyde)–4–Methyl– 1,2–Phenylenediimine (Mn–BSMP) as an Inexpensive N2O2 Type Schiff Base Catalyst for Oxidative Decarboxylation of Carboxylic Acids with (n–Bu4NIO4) in the Presence of Imidazol
اطلاعات انتشار: Iranian Journal of Chemistry and Chemical Engineering (IJCCE)، سي ام،شماره۴(پياپي ۶۰)، ۲۰۱۱، سال
تعداد صفحات: ۶
In this study, bis(salicylaldehyde)–4–methyl–1,2–phenylenediimine (BSMP) as a Schiff baseligand of N2O2–type and its Mn and Fe complex as M–BSMP catalyst were synthesized andcharacterized by UV–Vis, IR spectroscopy and elemental analysis. The efficiency of Fe– andMn–BSMP catalysts was evaluated in the oxidative decarboxylation of arylacetic acids with tetra–butylammonium periodate (n–Bu4NIO4) in the presence of imidazol with the mole ratios of M–BSMP: imdazole: n–Bu4NIO4: carboxylic acid of 1:2:5:5, respectively in CH2Cl2. Using Mn–BSMP instead of Fe–BSMP makes the decarboxylation improved, leading 60–95% of corresponding carbonyl compounds as the sole products.
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