PREPARATION AND CHARACTERIZATION OF SUPPORTED MOLYBDENUM AND TUNGSTEN SCHIFF BASE COMPLEXES ON MCM-41 AS NANOCATALYSTS FOR THE EPOXIDATION OF OLEFINS

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MASTERI FARAHANI M.; SADEGHI M.; ABDOLLAHI Y.; KASHANI MOTLAGH M.MEHDI; SALIMI F.

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Journal: JOURNAL OF NANOSTRUCTURES Year:2012 | Volume:1 | Issue:2 Page(s): 111-118

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Title

PREPARATION AND CHARACTERIZATION OF SUPPORTED MOLYBDENUM AND TUNGSTEN SCHIFF BASE COMPLEXES ON MCM-41 AS NANOCATALYSTS FOR THE EPOXIDATION OF OLEFINS

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Keywords

TUNGSTENQ2

MOLYBDENUMQ2

MCM-41Q2

SUPPORTED SCHIFF BASEQ2

EPOXIDATIONQ2

Abstract

Two new heterogenized EPOXIDATION nanocatalysts based on MOLYBDENUM and TUNGSTEN compounds were prepared with covalent grafting of MCM-41 with 3-aminoropropyl trimethoxysilane and subsequent reaction with diphenylphosphinobenzaldehyde and complexation with M (Mo, W)O2 (acac)2. X-ray diffraction and nitrogen sorption analyses revealed the preservation of the textural properties of the support as well as accessibility of the channel system despite sequential reduction in surface area, pore volume and pore size. Elemental analyses showed the presence of 0.15 mmol MOLYBDENUM and 0.09 mmol TUNGSTEN per gram of the catalyst, respectively. EPOXIDATION of olefins in the presence of M (Mo,W)O2dppb@AmpMCM-41 with tert-butyl hydroperoxide (TBHP) and hydrogen peroxide were examined.

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APA: Copy

MASTERI FARAHANI, M., SADEGHI, M., ABDOLLAHI, Y., KASHANI MOTLAGH, M.MEHDI, & SALIMI, F.. (2012). PREPARATION AND CHARACTERIZATION OF SUPPORTED MOLYBDENUM AND TUNGSTEN SCHIFF BASE COMPLEXES ON MCM-41 AS NANOCATALYSTS FOR THE EPOXIDATION OF OLEFINS. JOURNAL OF NANOSTRUCTURES, 1(2), 111-118. SID. https://sid.ir/paper/210986/en

Vancouver: Copy

MASTERI FARAHANI M., SADEGHI M., ABDOLLAHI Y., KASHANI MOTLAGH M.MEHDI, SALIMI F.. PREPARATION AND CHARACTERIZATION OF SUPPORTED MOLYBDENUM AND TUNGSTEN SCHIFF BASE COMPLEXES ON MCM-41 AS NANOCATALYSTS FOR THE EPOXIDATION OF OLEFINS. JOURNAL OF NANOSTRUCTURES[Internet]. 2012;1(2):111-118. Available from: https://sid.ir/paper/210986/en

IEEE: Copy

M. MASTERI FARAHANI, M. SADEGHI, Y. ABDOLLAHI, M.MEHDI KASHANI MOTLAGH, and F. SALIMI, “PREPARATION AND CHARACTERIZATION OF SUPPORTED MOLYBDENUM AND TUNGSTEN SCHIFF BASE COMPLEXES ON MCM-41 AS NANOCATALYSTS FOR THE EPOXIDATION OF OLEFINS,” JOURNAL OF NANOSTRUCTURES, vol. 1, no. 2, pp. 111–118, 2012, [Online]. Available: https://sid.ir/paper/210986/en

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