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Your search keyword '"Michelle Gilhespy"' showing total 2 results
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2 results on '"Michelle Gilhespy"'

1. Renewable acrylonitrile production

Author

Ryan T. Gill, Eric C. D. Tan, Todd R. Eaton, Gregg T. Beckham, Watson Michael John, Robin M. Cywar, Violeta Sànchez i Nogué, Derek R. Vardon, Vassili Vorotnikov, Adam D. Bratis, O. Stanley Fruchey, Michelle Gilhespy, Mary J. Biddy, Zinovia Skoufa, Lorenz P. Manker, Rongming Liu, Eric M. Karp, William E. Michener, and David G. Brandner

Subjects
Multidisciplinary, Materials science, Thermal runaway, 010405 organic chemistry, 010402 general chemistry, 01 natural sciences, Endothermic process, 0104 chemical sciences, Catalysis, chemistry.chemical_compound, Ammonia, chemistry, Chemical engineering, Titanium dioxide, Ethyl acrylate, Acrylonitrile, Ammoxidation
Abstract

A sweet source to make acrylonitrile Much of the attention directed toward displacing petroleum feedstocks with biomass has focused on fuels. However, there are also numerous opportunities in commodity chemical production. One such candidate is acrylonitrile, a precursor to a wide variety of plastics and fibers that is currently derived from propylene. Karp et al. efficiently manufactured this compound from an ester (ethyl 3-hydroxypropanoate) that can be sourced renewably from sugars. The process relies on inexpensive titania as a catalyst and avoids the side production of cyanide that accompanies propylene oxidation. Science , this issue p. 1307

Published
2017

2. Polymer-supported nitroxyl radical catalyst for selective aerobic oxidation of primary alcohols to aldehydes

Author

Xavier Baucherel, Michelle Gilhespy, and Martin Lok

Subjects
Primary (chemistry), Chemistry, Metals and Alloys, Nitroxyl, General Chemistry, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, chemistry.chemical_compound, Alcohol oxidation, Selective catalyst, Materials Chemistry, Ceramics and Composites, Organic chemistry, Molecular oxygen, Polymer supported
Abstract

PS-TEMPO, a polymer-supported 2,2,6,6-tetramethylpiperidine-N-oxyl (TEMPO), was successfully applied as a recyclable, active and selective catalyst for the oxidation of primary aliphatic and benzylic alcohols to aldehydes by molecular oxygen in the presence of Co(NO3)2 and Mn(NO3)2 as co-catalysts.

Published
2005
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