Enantioselective Epoxidation of Styrene by Manganese Chiral Schiff Base Complexes Immobilized on MCM-41

ChemPlusChem ◽  
2015 ◽  
Vol 80 (4) ◽  
pp. 749-761 ◽  
Author(s):  
Moon Mandal ◽  
Vemu Nagaraju ◽  
Bipul Sarma ◽  
G. V. Karunakar ◽  
Kusum K. Bania
Keyword(s):  
Schiff Base ◽  
Schiff Base Complexes ◽  
Enantioselective Epoxidation ◽  
Chiral Schiff Base ◽  
Mcm 41

Oxidative coupling of 2-naphthol to (R)/(S)-BINOL by MCM-41 supported Mn-chiral Schiff base complexes

RSC Advances ◽  
2015 ◽  
Vol 5 (42) ◽  
pp. 33185-33198 ◽  
Author(s):  
Kusum K. Bania ◽  
G. V. Karunakar ◽  
Lanka Satyanarayana
Keyword(s):  
Schiff Base ◽  
Oxidative Coupling ◽  
Schiff Base Complexes ◽  
Chiral Catalyst ◽  
Chiral Schiff Base ◽  
Mcm 41

Conversion of 2-naphthol toC2-symmetric BINOL is achieved in 91% ee in the presence of an Mn-Schiff base chiral catalyst supported on MCM-41.

Preparation of Immobilized Chromium Schiff Base Complexes and their Catalytic Performance for Olefins Epoxidation

2014 ◽  
Vol 692 ◽  
pp. 240-244
Author(s):  
Gong De Wu ◽  
Xiao Li Wang ◽  
Zhi Li Zhai
Keyword(s):  
Hydrogen Peroxide ◽  
Schiff Base ◽  
Elemental Analysis ◽  
Catalytic Performance ◽  
Schiff Base Complexes ◽  
Metal Centers ◽  
Chemical Measurements ◽  
Physico Chemical ◽  
Immobilized Complexes ◽  
Mcm 41

A series of transition metal alanine-salicylaldehyde Schiff base chromium (III) complexes immobilized on MCM-41 were prepared and characterized by various physico-chemical measurements such as FIIR, XRD, HRTEM, N2 sorption and elemental analysis. The immobilized complexes were effective and stable catalysts for the epoxidation of styrene and cyclohexene with 30% hydrogen peroxide. Moreover, the metal centers were found to play important roles in the catalytic performance of immobilized complex catalysts.

Chiral Schiff base complexes of copper (II), vanadium (IV) and nickel (II) as oxidation catalysts. X-ray crystal structures of [Cu (R-salpn) (OH2)] and [Cu (±-busalcx)]

Polyhedron ◽  
1998 ◽  
Vol 17 (23-24) ◽  
pp. 4179-4187 ◽  
Author(s):  
Siona Bunce ◽  
Ronald J Cross ◽  
Louis J Farrugia ◽  
Sam Kunchandy ◽  
Linette L Meason ◽  
...  
Keyword(s):  
Schiff Base ◽  
Crystal Structures ◽  
Schiff Base Complexes ◽  
Oxidation Catalysts ◽  
X Ray ◽  
Chiral Schiff Base
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