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Your search keyword '"Muskawar, Prashant Narayan"' showing total 14 results
Start Over Author "Muskawar, Prashant Narayan" Publisher elsevier bv
14 results on '"Muskawar, Prashant Narayan"'

1. Selective oxidation of alcohol to carbonyl compound catalyzed by l-aspartic acid coupled imidazolium based ionic liquid

Author

Aswar Sachin Arunrao, Muskawar Prashant Narayan, S. Senthil Kumar, Pundlik Rambhau Bhagat, S. Kumar, and Parasuraman Karthikeyan

Subjects
chemistry.chemical_classification, Alcohol, Condensed Matter Physics, Aldehyde, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Catalysis, chemistry.chemical_compound, chemistry, Alcohol oxidation, Aspartic acid, Ionic liquid, Materials Chemistry, Organic chemistry, Physical and Theoretical Chemistry, Selectivity, Hydrogen peroxide, Spectroscopy
Abstract

A clean and highly efficient alcohol oxidation, using hydrogen peroxide in the presence of l -aspartic acid coupled imidazolium based ionic liquid [L-AAIL], was achieved under solvent free condition with excellent yield. In this catalytic system, variety of alcohol including inactive aliphatic alcohol, could be completely oxidized with high conversion and selectivity. The catalyst can be recycled and reused for seven runs without any significant loss of its activity.

Published
2012

2. A novel L-asparaginyl Amido ethyl methyl imidazolium bromide catalyst for heterogeneous epoxidation of α, β-unsaturated ketones

Author

S. Kumar, Muskawar Prashant Narayan, Pundlik Rambhau Bhagat, S. Senthil Kumar, Aswar Sachin Arunrao, and Parasuraman Karthikeyan

Subjects
chemistry.chemical_classification, Epoxy, Condensed Matter Physics, Heterogeneous catalysis, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Catalysis, Amino acid, chemistry.chemical_compound, chemistry, Bromide, visual_art, Ionic liquid, Materials Chemistry, visual_art.visual_art_medium, Organic chemistry, Asparagine, Physical and Theoretical Chemistry, Hydrogen peroxide, Spectroscopy
Abstract

In the present work, a class of imidazolium based ionic liquid coupled with asparagine system was employed for asymmetric epoxidation. The heterogeneous catalyst exhibited excellent activity for epoxidation of α, β-unsaturated ketones, affording the corresponding epoxy ketones in the presence of hydrogen peroxide. The catalyst was easily recovered from the reaction mixture and reused for five consecutive runs.

Published
2012

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