Results 1 to 10 of about 4,731 (208)

Photoinduced Atom Transfer Radical Addition/Cyclization Reaction between Alkynes or Alkenes with Unsaturated α-Halogenated Carbonyls

open access: yesMolecules, 2021
We have developed a photochemical ATRA/ATRC reaction that is mediated by halogen bonding interactions. This reaction is caused by the reaction of malonic acid ester derivatives containing bromine or iodine with unsaturated compounds such as alkenes and ...
Kazuki Matsuo   +3 more
doaj   +1 more source

Metal-Free One-Pot Multi-Functionalization of Unsaturated Compounds with Interelement Compounds by Radical Process

open access: yesMolecules, 2023
In recent years, the importance of “environmentally friendly manufacturing” has been increasing toward the establishment of a resource-recycling society.
Yuki Yamamoto, Akiya Ogawa
doaj   +1 more source

Photoinduced Bisphosphination of Alkynes with Phosphorus Interelement Compounds and Its Application to Double-Bond Isomerization

open access: yesMolecules, 2022
The addition of interelement compounds with heteroatom-heteroatom single bonds to carbon-carbon unsaturated bonds under light irradiation is believed to be an atomically efficient method to procure materials with carbon-heteroatom bonds.
Yuki Yamamoto   +4 more
doaj   +1 more source

Regioselective Radical Reaction of Monometallofullerene Y@C2v(9)-C82 With N-arylbenzamidine Mediated by Silver Carbonate

open access: yesFrontiers in Chemistry, 2020
A novel radical reaction of monometallofullerene Y@C2v(9)-C82 with N-arylbezamidine (1) is successfully conducted through catalysis with silver carbonate. The high-performance liquid chromatographic and mass spectrum results demonstrate that the reaction
Jia Li   +8 more
doaj   +1 more source

Recent advancements in iodide/phosphine-mediated photoredox radical reactions

open access: yesBeilstein Journal of Organic Chemistry, 2023
Photoredox catalysis plays a crucial role in contemporary synthetic organic chemistry. Since the groundbreaking work of Shang and Fu on photocatalytic decarboxylative alkylations in 2019, a wide range of organic transformations, such as alkylation ...
Tinglan Liu   +3 more
doaj   +1 more source

Photo-induced catalytic C−H heteroarylation of group 8 metallocenes

open access: yesCell Reports Physical Science, 2022
Summary: Possessing a characteristic sandwich-type structure, metallocenes have been widely used by the chemistry community. However, the direct catalytic C−H heteroarylation of metallocenes still remains underexplored.
Gu-Cheng He   +7 more
doaj   +1 more source

Ligand- and Additive-Free 2-Position-Selective Trifluoromethylation of Heteroarenes Under Ambient Conditions

open access: yesFrontiers in Chemistry, 2019
A highly selective copper-catalyzed trifluoromethylation of indoles is reported with the assistance of a removable directing group. This protocol provides an easy and rapid method to various 2-position-selective trifluoromethylated heteroarenes including
Xiaolin Shi   +7 more
doaj   +1 more source

Cascade trifluoromethylthiolation and cyclization of N-[(3-aryl)propioloyl]indoles

open access: yesBeilstein Journal of Organic Chemistry, 2020
A cascade oxidative trifluoromethylthiolation and cyclization of N-[(3-aryl)propioloyl]indoles with AgSCF3 is described. This protocol allows for the synthesis of novel bis(trifluoromethylthiolated) or trifluoromethylthiolated pyrrolo[1,2-a]indol-3-ones ...
Ming-Xi Bi   +4 more
doaj   +1 more source

Evaluation of OH Radical Reaction Positions in 3-Ring PAHs Using Transition State Energy and Atomic Charge Calculations

open access: yesApplied Sciences, 2022
In this study, transition state energy and atomic charge were calculated using the Gaussian 09 program with focus on three-ring PAHs, such as acenaphthylene and anthracene, which are most likely found in contaminated sites.
Min-Joo Lee, Byung-Dae Lee
doaj   +1 more source

Study on antioxidant properties of glycosylated products of wheat germ protein

open access: yesShipin yu jixie, 2023
Objective: This study aimed to investigate the antioxidant properties of wheat germ protein glycosylation product. Methods: The glycation product (WGP-G) of wheat germ protein (WGP) and glucose was prepared by ultrasonic assisted moist heat method ...
NIU Qiu-yun
doaj   +1 more source

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