Associations of keggin-type anions with cationic porphyrin as catalysts for epoxidation of alkenes
Publish place: 12th National Iranian Chemical Engineering Congress
Publish Year: 1387
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NICEC12_089
تاریخ نمایه سازی: 30 شهریور 1387
Abstract:
Compounds based on the association of polyoxometalates and cationic metalloporphyrin were prepared with the aim of obtaining new bi-functional catalysts.a combined study on the synthesis and characterizations of these compounds were performed. The new compound has the general formula [metalloporphyrin] [polyoxometalate]. The porphyrin used was MTBzPyP (meso-tetrakis (4-N-benzyl pyridyl) porphyrin M=Mn) and the polyoxometalate used was TPA (H3PW12O40)4H2O. The MnTBzPyP and TPA and [MnTBzPyP][TPA] was synthesized.all compounds were characterized by UV-visible and IR. The research results show that MnTBzPyP bearing quadruply positive charges association with an [PW12O40]3- to form a supermolecular aqueous solution.
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Authors
Rahmatollah Rahimi
Department of chemistry, University of Science and Technology ,Tehran, Iran
Zahra Karamzadeh
Department of chemistry, University of Science and Technology ,Tehran, Iran
Marzyeh Javaheri
Department of chemistry, University of Science and Technology ,Tehran, Iran
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