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Directed Evolution of Selective Enzymes: Catalysts for Synthetic Organic Chemistry
FOCUS relatively low temperatures. Methanol can be utilized as a feedstock for petrochemical products and as fuel for an internal combustion engine and for fuel cells. Original Source: Chemical Engineering World, Feb 2016, 51 (2), 22 (Website: http://www. cewindia.com) © Jasubhai Group 2016
Innovative catalyst fabrication method may yield breakthrough in fuel cell development: Kyushu University research group develops new method for creating highly efficient gold nanoparticle catalysts for fuel cells The successful future of fuel cells relies on improving the performance of the catalysts they use. Gold nanoparticles have been cited as an ideal solution, but creating a uniform, useful catalyst has proven elusive. However, a team of researchers at Kyushu University's International Institute for Carbon-Neutral Energy Research (I2CNER) devised a method for using a new type of catalyst support. Original Source: Nanotechnology Now, 9 Mar 2016, (Website: http://www.nanotech-now. com/) © 7thWave Inc 2016
Catalysis: engineers combine bioand chemical catalysis Researchers from Iowa State University, US, have devised a process of combining biocatalysis and chemical catalysis that converts sugars into nylon. The method features electrocatalytic hydrogenation and fermentation, but does not need impurity removal between the two steps. Genetically modified yeast is used for the high-yield fermentation of glucose to muconic acid. Adding a lead acid catalyst and applying a small voltage generates hydrogen that results in the conversion of muconic acid to the monomer 3hexenedioic acid. Upon isolating 3hexenedioic acid, it is subsequently polymerized to unsaturated nylon-6,6. The method can be conducted at room temperature and employs an abundant, low-priced metal catalyst. The proponents will be scaling up the process and create a continuous conversion method. Original Source: TCE (formerly The Chemical Engineer), Mar 2016, (897), 20 (Website: http:// www.tcetoday.com) © Institution of Chemical Engineers 2016
PATENTS Method and system for forming plug and play metal catalysts Supported metal catalysts are formed by vaporizing a quantity of metal and a quantity of carrier forming a vapor cloud.
May 2016
ON
C ATA LY S T S
The vapor cloud is quenched forming precipitate nanoparticles comprising a portion of metal and a portion of carrier. The nanoparticles are impregnated onto supports. The supports can be used in existing heterogeneous catalysis systems. The patent describes a system for impregnating supports with the nanoparticles. Original Source: US 9,302,260, SDC Materials, Tempe, AZ, USA, 5 APR 20156.
Hybrid Fischer–Tropsch Catalysts Disclosed are hybrid Fischer-Tropsch catalysts containing cobalt deposited on hybrid supports. The hybrid supports contain an acidic zeolite component and a silica-containing material. It has been found that the use of the hybrid FischerTropsch catalysts in synthesis gas conversion reactions results in high C. sub.5+ productivity, high CO conversion rates and low olefin formation. Original Source: US 9,278,344, Chevron U.S.A., San Ramon, CA, USA, 8 MAR 2016.
High performance, high durability non-precious metal fuel cell catalysts This invention relates to non-precious metal fuel cell cathode catalysts, fuel cells that contain these catalysts, and methods of making the same. The fuel cell cathode catalysts are highly nitrogenated carbon materials that can contain a transition metal. The highly nitrogenated carbon materials can be supported on a nanoparticle substrate. Original Source: US 9,287,568, 3 M Innovative Properties Co., St. Paul, MN, USA, 15 MAR 2016.
Production of propylene via simultaneous dehydration and skeletal isomerisation of isobutanol on acid catalysts followed by metathesis A process for producing propylene includes simultaneously subjecting isobutanol to dehydration and skeletal isomerization to make a mixture of n-butenes and isobutene. The n-butenes are subjected to methathesis. The process includes introducing isobutanol into a dehydration/ isomerization reactor and contacting the isobutanol with a catalyst at conditions effective to dehydrate and skeletal isomerase the isobutanol to make a mixture of n-butenes and iso-butene. A mixture of n-butenes and iso-butene are recovered and fractionated to produce an n-butenes stream. The n-butenes stream are then sent to a methathesis reactor and contacted with a catalyst at conditions effective to produce propylene. A stream is recovered from the methathesis reactor that includes propylene, unreacted n-butenes, heavies,
and optionally unreacted ethylene. The stream can be fractionated to recover propylene, and the unreacted n-butenes and unreacted ethylene can optionally be recycled to the methathesis reactor. Original Source: US 9,260,355, Total Research & Technology Feuly, Seneffe, BE, 16 FEB 2016.
BOOKSHELF Non-nitrogenous Organocatalysis A growing interest in organocatalysts, catalytic reactions employing entirely organic catalysts, has made organocatalysis indispensable. However, there can be a misconception that organocatalysts are based only on nitrogen-containing functional groups and are useful only for asymmetric reactions. This book shows that the umbrella of organocatalysis covers other main group elements besides nitrogen and is not limited to asymmetric methods. Many of the catalysts and mechanisms discussed may not have a viable asymmetric variant or cannot be rendered asymmetric at all. Original Source: A. Harned (ed), 1st edn, 2016, CRC Press, Boca Raton, FL, ISBN-13: 978149871503, 288 pp.
Stereochemistry and Stereoselective Synthesis: An Introduction This text fills the gap for a concise introduction to the key concepts of organic stereochemistry and the most important classical and modern methods in stereoselective synthesis. The concepts are illustrated, with practical examples and question-answer sets to help consolidate the reader's knowledge. In addition, animations are available from the Wiley website. This text is aimed at students in chemistry, biochemistry, and life sciences, as well as researchers in pharmaceutical and agrochemical companies in need of a quick introduction to the field. Original Source: L. Poppe and N. Nogradi (eds), 1st edn, 2016, Wiley-VCH, Weinheim, ISBN-13: 978-3527339013, 300 pp.
Directed Evolution of Selective Enzymes: Catalysts for Synthetic Organic Chemistry Written by one of the most authoritative chemists in the field of synthetic organic biochemistry, this book combines techniques from nature with synthetic organic approaches. The text provides an overview of current research with a look at future industrial applications. Original Source: M. T. Reetz, 1st edn, 2016, Wiley-VCH, Weinheim, ISBN-13: 9783527316601, 288 pp.
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Innovative catalyst fabrication method may yield breakthrough in fuel cell development: Kyushu University research group develops new method for creating highly efficient gold nanoparticle catalysts for fuel cells The successful future of fuel cells relies on improving the performance of the catalysts they use. Gold nanoparticles have been cited as an ideal solution, but creating a uniform, useful catalyst has proven elusive. However, a team of researchers at Kyushu University's International Institute for Carbon-Neutral Energy Research (I2CNER) devised a method for using a new type of catalyst support. Original Source: Nanotechnology Now, 9 Mar 2016, (Website: http://www.nanotech-now. com/) © 7thWave Inc 2016
Catalysis: engineers combine bioand chemical catalysis Researchers from Iowa State University, US, have devised a process of combining biocatalysis and chemical catalysis that converts sugars into nylon. The method features electrocatalytic hydrogenation and fermentation, but does not need impurity removal between the two steps. Genetically modified yeast is used for the high-yield fermentation of glucose to muconic acid. Adding a lead acid catalyst and applying a small voltage generates hydrogen that results in the conversion of muconic acid to the monomer 3hexenedioic acid. Upon isolating 3hexenedioic acid, it is subsequently polymerized to unsaturated nylon-6,6. The method can be conducted at room temperature and employs an abundant, low-priced metal catalyst. The proponents will be scaling up the process and create a continuous conversion method. Original Source: TCE (formerly The Chemical Engineer), Mar 2016, (897), 20 (Website: http:// www.tcetoday.com) © Institution of Chemical Engineers 2016
PATENTS Method and system for forming plug and play metal catalysts Supported metal catalysts are formed by vaporizing a quantity of metal and a quantity of carrier forming a vapor cloud.
May 2016
ON
C ATA LY S T S
The vapor cloud is quenched forming precipitate nanoparticles comprising a portion of metal and a portion of carrier. The nanoparticles are impregnated onto supports. The supports can be used in existing heterogeneous catalysis systems. The patent describes a system for impregnating supports with the nanoparticles. Original Source: US 9,302,260, SDC Materials, Tempe, AZ, USA, 5 APR 20156.
Hybrid Fischer–Tropsch Catalysts Disclosed are hybrid Fischer-Tropsch catalysts containing cobalt deposited on hybrid supports. The hybrid supports contain an acidic zeolite component and a silica-containing material. It has been found that the use of the hybrid FischerTropsch catalysts in synthesis gas conversion reactions results in high C. sub.5+ productivity, high CO conversion rates and low olefin formation. Original Source: US 9,278,344, Chevron U.S.A., San Ramon, CA, USA, 8 MAR 2016.
High performance, high durability non-precious metal fuel cell catalysts This invention relates to non-precious metal fuel cell cathode catalysts, fuel cells that contain these catalysts, and methods of making the same. The fuel cell cathode catalysts are highly nitrogenated carbon materials that can contain a transition metal. The highly nitrogenated carbon materials can be supported on a nanoparticle substrate. Original Source: US 9,287,568, 3 M Innovative Properties Co., St. Paul, MN, USA, 15 MAR 2016.
Production of propylene via simultaneous dehydration and skeletal isomerisation of isobutanol on acid catalysts followed by metathesis A process for producing propylene includes simultaneously subjecting isobutanol to dehydration and skeletal isomerization to make a mixture of n-butenes and isobutene. The n-butenes are subjected to methathesis. The process includes introducing isobutanol into a dehydration/ isomerization reactor and contacting the isobutanol with a catalyst at conditions effective to dehydrate and skeletal isomerase the isobutanol to make a mixture of n-butenes and iso-butene. A mixture of n-butenes and iso-butene are recovered and fractionated to produce an n-butenes stream. The n-butenes stream are then sent to a methathesis reactor and contacted with a catalyst at conditions effective to produce propylene. A stream is recovered from the methathesis reactor that includes propylene, unreacted n-butenes, heavies,
and optionally unreacted ethylene. The stream can be fractionated to recover propylene, and the unreacted n-butenes and unreacted ethylene can optionally be recycled to the methathesis reactor. Original Source: US 9,260,355, Total Research & Technology Feuly, Seneffe, BE, 16 FEB 2016.
BOOKSHELF Non-nitrogenous Organocatalysis A growing interest in organocatalysts, catalytic reactions employing entirely organic catalysts, has made organocatalysis indispensable. However, there can be a misconception that organocatalysts are based only on nitrogen-containing functional groups and are useful only for asymmetric reactions. This book shows that the umbrella of organocatalysis covers other main group elements besides nitrogen and is not limited to asymmetric methods. Many of the catalysts and mechanisms discussed may not have a viable asymmetric variant or cannot be rendered asymmetric at all. Original Source: A. Harned (ed), 1st edn, 2016, CRC Press, Boca Raton, FL, ISBN-13: 978149871503, 288 pp.
Stereochemistry and Stereoselective Synthesis: An Introduction This text fills the gap for a concise introduction to the key concepts of organic stereochemistry and the most important classical and modern methods in stereoselective synthesis. The concepts are illustrated, with practical examples and question-answer sets to help consolidate the reader's knowledge. In addition, animations are available from the Wiley website. This text is aimed at students in chemistry, biochemistry, and life sciences, as well as researchers in pharmaceutical and agrochemical companies in need of a quick introduction to the field. Original Source: L. Poppe and N. Nogradi (eds), 1st edn, 2016, Wiley-VCH, Weinheim, ISBN-13: 978-3527339013, 300 pp.
Directed Evolution of Selective Enzymes: Catalysts for Synthetic Organic Chemistry Written by one of the most authoritative chemists in the field of synthetic organic biochemistry, this book combines techniques from nature with synthetic organic approaches. The text provides an overview of current research with a look at future industrial applications. Original Source: M. T. Reetz, 1st edn, 2016, Wiley-VCH, Weinheim, ISBN-13: 9783527316601, 288 pp.
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