Organo-peroxyl compounds via catalytic oxidation of a hindered phenol and aniline utilizing new manganese(II) bis benzimidazole diamide based complexes
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| Title: | Organo-peroxyl compounds via catalytic oxidation of a hindered phenol and aniline utilizing new manganese(II) bis benzimidazole diamide based complexes |
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| Authors: | Bakshi, Ruchi1, Mathur, Pavan pavanmat@yahoo.co.in |
| Source: | Inorganica Chimica Acta. Oct2010, Vol. 363 Issue 13, p3477-3488. 12p. |
| Subjects: | Manganese, Benzimidazoles, Phenol, Aniline, Amides, Oxidation, Catalysis, Organic compounds |
| Abstract: | Abstract: Bis benzimidazole diamide ligand-N,N′-bis(2-methylbenzimidazolyl) propanediamide [GBMA=L] has been synthesized and utilized to prepare new Mn(II) complexes of general composition [Mn(L)X2]·nH2O where X is an exogenous anionic ligand(X=Cl−, CH3COO−, SCN−). The geometry of the ligand and its Mn(II) complex have been optimized at the level of UHF, by using ZINDO/1 method. Binding energies, heat of formation and bond lengths of geometry optimized structures for the ligand and complex have been obtained. The oxidation of 2,4,6-tri-tert.-butylphenol (TTBP) and 2,4,6-tri-tert.-butylaniline (TTBA) has been investigated using these Mn(II) complexes as catalyst and TBHP as an alternate source of oxygen. The organo-peroxyl compounds have been isolated and characterized by 1H NMR, 13C NMR, IR and mass data. A different product profile was obtained when H2O2 is used as an oxidant. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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