Results 171 to 180 of about 6,799 (217)

New Concepts for Organocatalysis

, 2008
Organocatalysis, catalysis with low-molecular weight catalysts in which a metal is not part of the catalytic principle or the reaction substrate, can be as efficient and selective as metal- or biocatalysis. Important discoveries in this area include novel Lewis base-catalyzed enantioselective processes and, more recently, simple Brønsted acid ...
Pan, S., List, B.
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Asymmetric Supramolecular Organocatalysis: A Complementary Upgrade to Organocatalysis

European Journal of Organic Chemistry, 2017
The recent past has witnessed tremendous growth in the field of asymmetric synthesis through “asymmetric supramolecular organocatalysis (ASO)”. ASO emerges from many interactions between substrates and catalysts: namely substrate–catalyst, catalyst–catalyst and substrate–substrate interactions.
Kengadarane Anebouselvy, Kodambahalli S. Shruthi, Dhevalapally B. Ramachary   +2 more
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Deconstructing Covalent Organocatalysis

Angewandte Chemie - International Edition, 2015
AbstractModern organocatalysis has rapidly evolved into an essential component of contemporary organic synthesis. One of the most distinctive aspects of organocatalytic processes is the biomimetic nature in which the catalyst engages the substrate, often forming covalently bound intermediates in a manner reminiscent of enzyme catalysis.
Mareike C Holland, Ryan Gilmour
exaly   +3 more sources

Asymmetric Organocatalysis with Sulfones

Angewandte Chemie - International Edition, 2010
AbstractAsymmetric organocatalysis has become a powerful tool for the synthesis of optically active compounds. Whereas early research mainly focused on combining simple reagents as a proof‐of‐concept for asymmetric organocatalysis, recent investigations are directed towards extending the concept to more target‐ and diversity‐oriented synthesis.
Martin Nielsen, Christian Borch Jacobsen, Nicole Holub   +2 more
exaly   +4 more sources

Non-asymmetric organocatalysis

Chemical Communications, 2012
Asymmetric organocatalysis is now an established methodology for the preparation of chiral compounds. However, these are not the only valuable molecules which can be conveniently obtained. Organocatalytic reactions affording achiral compounds are gaining momentum, opening unexplored pathways in the synthesis of densely functionalized aromatic moieties,
RENZI, POLYSSENA, BELLA, Marco
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Catalyst design within asymmetric organocatalysis

Wiley Interdisciplinary Reviews: Computational Molecular Science, 2022
The field of organocatalysis, more specifically asymmetric organocatalysis, is continuously expanding having grown significantly over the recent years. However, despite this exponential expansion, the ability to determine with any degree of certainty the
Inigo Iribarren, Marianne Rica Garcia, Cristina Trujillo   +2 more
exaly   +2 more sources

Organocatalysis: a web collection

Chemical Communications, 2012
The exploitation of new catalysts and new organic transformations in an environmentally benign manner has became crucially important in recent years for the construction of new and useful organic structures from versatile starting materials.
Keiji, Maruoka, Benjamin, List, Hisashi, Yamamoto, Liu-Zhu, Gong   +3 more
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Enhancing the potential of enantioselective organocatalysis with light [PDF]

Nature, 2018
Organocatalysis—catalysis mediated by small chiral organic molecules—is a powerful technology for enantioselective synthesis, and has extensive applications in traditional ionic, two-electron-pair reactivity domains.
Mattia Silvi, Paolo Melchiorre, Melchiorre Paolo   +2 more
exaly   +3 more sources

Asymmetric Organocatalysis: From Infancy to Adolescence

Angewandte Chemie - International Edition, 2008
After an initial period of validating asymmetric organocatalysis by using a wide range of important model reactions that constitute the essential tools of organic synthesis, the time has now been reached when organocatalysis can be used to address ...
Alessandro Dondoni, Alessandro Massi
exaly   +2 more sources

Asymmetric organocatalysis

Tetrahedron, 2007
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Stefan, Jaroch, Hilmar, Weinmann, Kirsten, Zeitler   +2 more
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