Results 291 to 300 of about 195,903 (365)

Iron-Catalyzed Tunable Double Bond Migration and Geometrical Isomerization in Olefins via a Spin-Accelerated Alkyl Mechanism. [PDF]

Angew Chem Int Ed Engl
Obeid AH, Herrero C, Guillot R, Hannedouche J.   +3 more
europepmc   +1 more source

Highly regio- and enantioselective multiple oxy- and amino-functionalizations of alkenes by modular cascade biocatalysis

, 2016
Shuke Wu, Yi Zhou, Tianwen Wang, Heng‐Phon Too, Zhi Li, Daniel I. C. Wang   +5 more
openalex   +1 more source

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Photoelectrochemical Asymmetric Catalysis Enables Enantioselective Heteroarylcyanation of Alkenes via C-H Functionalization.

Journal of the American Chemical Society, 2023
The asymmetric difunctionalization of alkenes, a method transforming readily accessible alkenes into enantioenriched chiral structures of high value, has long been a focal point of organic synthesis.
Xiao‐Li Lai, Hai‐Chao Xu
semanticscholar   +1 more source

Advances in the E → Z Isomerization of Alkenes Using Small Molecule Photocatalysts.

Chemical Reviews, 2021
Geometrical E → Z alkene isomerization is intimately entwined in the historical fabric of organic photochemistry and is enjoying a renaissance (Roth et al. Angew. Chem., Int. Ed. Engl. 1989 28, 1193-1207).
Tomáš Neveselý, Max Wienhold, J. Molloy, R. Gilmour   +3 more
semanticscholar   +1 more source

Photoinduced Oxygen Transfer Using Nitroarenes for the Anaerobic Cleavage of Alkenes.

Journal of the American Chemical Society, 2022
Herein we report the anaerobic cleavage of alkenes into carbonyl compounds using nitroarenes as oxygen transfer reagents under visible light. This approach serves as a safe and practical alternative to mainstream oxidative cleavage protocols, such as ...
D. Wise, Emma S Gogarnoiu, Alan Duke, Joshua M. Paolillo, Taylor L Vacala, W. Hussain, Marvin Parasram   +6 more
semanticscholar   +1 more source

Diastereoselective Transfer of Tri(di)fluoroacetylsilanes-Derived Carbenes to Alkenes.

Angewandte Chemie, 2022
Stereoselective cyclopropanation reaction of alkenes is usually achieved by metal complexes via singlet-metal-carbene intermediates. However, previous transition-metal-catalyzed cyclopropanation of alkenes with acylsilanes afforded low ...
Yi-Zhou Zhang, gang zhou, Xingxing Gong, Zhuanzhuan Guo, X. Qi, Xiao Shen   +5 more
semanticscholar   +1 more source

Remote and Proximal Hydroaminoalkylation of Alkenes Enabled by Photoredox/Nickel Dual Catalysis.

Journal of the American Chemical Society, 2022
A mild and site-selective hydroaminoalkylation of activated and unactivated alkenes via dual photoredox/Ni catalysis is developed. This dual catalytic strategy enables exclusive access to α-selective products, which is complementary to previously ...
Songlin Zheng, Wenlong Wang, W. Yuan
semanticscholar   +1 more source

Iron- and Cobalt-Catalyzed Asymmetric Hydrofunctionalization of Alkenes and Alkynes.

Accounts of Chemical Research, 2021
ConspectusTransition metal catalyzed asymmetric hydrofunctionalization of readily available unsaturated hydrocarbons presents one of the most straightforward and atom-economic protocols to access valuable optically active products.
Jun Guo, Zhaoyang Cheng, Jianhui Chen, Xu Chen, Zhan Lu   +4 more
semanticscholar   +1 more source

Photoinduced Hydrocarboxylation via Thiol-Catalyzed Delivery of Formate Across Activated Alkenes.

Journal of the American Chemical Society, 2021
Herein we disclose a new photochemical process to prepare carboxylic acids from formate salts and alkenes. This redox-neutral hydrocarboxylation proceeds in high yields across diverse functionalized alkene substrates with excellent regioselectivity. This
Sara N. Alektiar, Zachary K. Wickens
semanticscholar   +1 more source