Results 1 to 10 of about 25,247 (120)

Metal-free visible-light-enabled vicinal trifluoromethyl dithiolation of unactivated alkenes

Beilstein Journal of Organic Chemistry, 2021
The difunctionalization of alkenes involving a trifluoromethylthio group (SCF3) for the conversion of versatile and readily available olefins into structurally more complex molecules has been successfully studied.
Xiaojuan Li, Qiang Zhang, Weigang Zhang, Jinzhu Ma, Yi Wang, Yi Pan   +5 more
doaj   +1 more source

Synthesis of Dibenzylbutane and 9,8′-Neo-Lignans via Cyclometalation of Allylbenzene by EtAlCl₂ and Mg in the Presence of Zr ansa-Complexes

Chemistry Proceedings, 2021
The aim of the research is the development of a one-pot method for the synthesis of lignans, natural compounds that show a wide spectrum of biological activities.
Pavel V. Kovyazin, Pavel V. Ivchenko, Ilya E. Nifant’ev, Lyudmila V. Parfenova   +3 more
doaj   +1 more source

From‐Neutral‐to‐Neutral Reductive Radical Coupling of Non‐Activated Alcohols and Styrenes

ChemistryEurope, 2023
A reductive radical coupling reaction between non‐activated aliphatic alcohols and styrenes has been discovered through the use of low‐valent Ti‐mediated C−O bond homolysis.
Dr. Takuya Suga, Chinatsu Miki, Prof. Dr. Yutaka Ukaji   +2 more
doaj   +1 more source

Trifluoromethanesulfonamide vs. Non-Fluorinated Sulfonamides in Oxidative Sulfamidation of the C=C Bond: An In Silico Study

Molecules, 2020
A theoretical analysis of the reaction of oxidative sulfamidation of several alkenes was performed in order to explain the various experimental observations and different reactivity of triflamide and non-fluorinated sulfonamides.
Anton V. Kuzmin, Mikhail Yu. Moskalik, Bagrat A. Shainyan   +2 more
doaj   +1 more source

Iron(III)-Mediated Rapid Radical-Type Three-Component Deuteration of Quinoxalinones With Olefins and NaBD4

Frontiers in Chemistry, 2020
Iron(III)-promoted rapid three-component deuteration of quinoxalinones with olefins and NaBD4 is reported for the first time, which provides a novel, economic, and efficient method for the rapid synthesis of deuterated quinoxalinones.
Wanmei Li, Heng Cai, Lin Huang, Lei He, Yilan Zhang, Jun Xu, Pengfei Zhang   +6 more
doaj   +1 more source

Iodine-Mediated Alkoxyselenylation of Alkenes and Dienes with Elemental Selenium

Molecules, 2022
A one-pot synthesis of linear and cyclic β-alkoxyselenides is developed through the iodine-mediated three-component reaction of elemental selenium with alkenes (dienes) and alcohols.
Evgeny O. Kurkutov, Bagrat A. Shainyan
doaj   +1 more source

Chemical Composition of Essential Oil from Four Sympatric Orchids in NW-Italy

Plants, 2022
Orchidaceae is a flowering plant family worldwide distributed known for producing volatile organic compounds (VOCs) which can act as olfactory signals for pollinators.
Francesco Saverio Robustelli della Cuna, Pierluigi Cortis, Fabiana Esposito, Antonio De Agostini, Cristina Sottani, Cinzia Sanna   +5 more
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Enantioselective Hydrogenations with Chiral Titanocenes

Molecules, 2005
In this review article chiral titanocenes and their application for the enantioselective hydrogenations of different unsaturated compounds are discussed, with a special emphasis on the kinetics and the practicality of the developed systems. The nature of
J. Khinast, A. Panarello, O. Vassylyev
doaj   +1 more source

Regioselective One-Pot Synthesis of Novel Functionalized Organoselenium Compound by Bis-Alkoxyselenenylation of Alkenes with Selenium Dibromide and Alcohols

Inorganics, 2022
The one-pot efficient synthesis of novel functionalized organoselenium compound by bis-alkoxyselenenylation of alkenes with selenium dibromide and alcohols was developed.
Vladimir A. Potapov, Maxim V. Musalov, Alfiya G. Khabibulina, Arkady A. Maylyan, Tatyana N. Borodina, Sergey V. Zinchenko, Svetlana V. Amosova   +6 more
doaj   +1 more source

Efficient Regioselective Synthesis of Novel Condensed Sulfur–Nitrogen Heterocyclic Compounds Based on Annulation Reactions of 2-Quinolinesulfenyl Halides with Alkenes and Cycloalkenes

Molecules, 2021
The preparation of novel reagents 2-quinolinesulfenyl chloride and bromide based on available 2-mercaptoquinoline has been described. This approach opens up opportunities for the introduction of 2-quinolinesulfenyl chloride and bromide into organic ...
Vladimir A. Potapov, Roman S. Ishigeev, Svetlana V. Amosova   +2 more
doaj   +1 more source