Results 101 to 110 of about 8,315 (196)
Decarboxylative C(sp3)–N cross-coupling via synergetic photoredox and copper catalysis [PDF]
Amines are a quintessential moiety in bioactive molecules, pharmaceuticals and organic materials. Transition-metal-catalysed C–N coupling of aryl electrophiles has been established as a powerful and reliable method for amine synthesis.
Frey, Adrian +3 more
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Nature Communications, 2019 Alkenylpyridines are versatile building blocks for the synthesis of drugs and other complex molecular structures. Here, the authors show a branch-selective pyridylation of alkenes via sulfinate-assisted photoredox catalysis and showcase its utility in an
Shengqing Zhu +4 more
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Functionalised oximes : emergent precursors for carbon-, nitrogen- and oxygen-centred radicals [PDF]
, 2016 The author thanks EaStCHEM for financial support.Oxime derivatives are easily made, are non-hazardous and have long shelf lives. They contain weak N–O bonds that undergo homolytic scission, on appropriate thermal or photochemical stimulus, to initially ...
John C. Walton +2 more
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Dual Photoredox and Copper Catalysis: Enantioselective 1,2-Amidocyanation of 1,3-Dienes [PDF]
Dual photoredox−transition-metal catalysis has emerged as a powerful tool for the development of chemical transformations. However, its application in the selective difunctionalization of 1,3-dienes remains essentially unexploited.
Guo, Weisi +3 more
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Ultrafast Spectroscopy and Dynamics of Photoredox Catalysis
Annual Review of Physical ChemistryPhotoredox catalysis has emerged as a powerful platform for chemical synthesis, utilizing chromophore excited states as selective energy stores to surmount chemical activation barriers toward making desirable products. Developments in this field have pushed synthetic chemists to design and discover new photocatalysts with novel and impactful ...
John D, Sakizadeh +3 more
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CHIMIAMetal-catalyzed hydrogen atom transfer (MHAT) has become a valuable approach for the functionalization of alkenes and toward complex molecular structures.
Willi M. Amberg, Erick M. Carreira
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Asymmetric Deoxygenative Functionalization of Secondary Amides with Vinylpyridines Enabled by a Triple Iridium-Photoredox-Chiral Phosphoric Acid System [PDF]
An enantioselective deoxygenative functionalization of secondary amides with vinylpridines is developed by merging relay iridium catalysis and cooperative photoredox-chiral Brønsted acid catalysis, affording a series of valuable chiral amines in moderate
Xiaoming Wang (187053) +2 more
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ResearchAlkenes are fundamental structural motifs in organic synthesis, valued for their prevalence in natural products and their broad reactivity profile. While traditional de novo synthesis offers access to diverse alkene frameworks, strategies enabling the ...
Qing-Zhu Li +6 more
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Dual catalysis sees the light: Combining photoredox with organo-, acid, and transition-metal catalysis [PDF]
, 2014 The photoredox activation of organic substrates with visible light is a powerful methodology that generates reactive radical species under very mild conditions. When combined with another catalytic process in a dual catalytic system, novel, visible-light-
Li J-L, Glorius F, Sahoo B, Hopkinson MN
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Alkyne Difunctionalization by Dual Gold/Photoredox Catalysis [PDF]
, 2016 \ua9 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Highly selective tandem nucleophilic addition/cross-coupling reactions of alkynes have been developed using visible-light-promoted dual gold/photoredox catalysis. The simultaneous oxidation of AuI
Glorius F +3 more
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