Sulfur-Containing Silsesquioxane Derivatives Obtained by the Thiol-ene Reaction: Synthesis and Thermal Degradation.
Sign Up to like & getrecommendations! Published in 2022 at "ChemPlusChem"
DOI: 10.1002/cplu.202200099
Abstract: This article presents the synthesis of new derivatives of octa(3-thiopropyl)silsesquioxane (SSQ-8SH) via thiol-ene reaction with simple olefins bearing alkyl groups as well as methoxysilyl, substituted aryl or fluoroalkyl groups. All products were characterized by 1… read more here.
Keywords: ene reaction; silsesquioxane; thiol ene; thermal degradation ... See more keywords
Catalytic Asymmetric Hetero-ene Reaction for Direct Customizable Allylic Functionalization
Sign Up to like & getrecommendations! Published in 2017 at "Chem"
DOI: 10.1016/j.chempr.2017.07.013
Abstract: In a recent publication in Nature , Tambar and coworkers have reported a Lewis-acid-assisted Bronsted-acid-catalyzed asymmetric hetero-ene reaction that proceeds from internal alkenes with excellent enantio-, regio-, and E -olefin selectivity. Key to the success… read more here.
Keywords: asymmetric hetero; hetero ene; ene; ene reaction ... See more keywords
Computational Screening of Lewis Acid Catalysts for the Ene Reaction between Maleic Anhydride and Polyisobutylene
Sign Up to like & getrecommendations! Published in 2020 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.0c04860
Abstract: Polyisobutenyl succinic anhydrides (PIBSAs) and their succinimide derivatives are one of the most important additives in lubricant and fuel formulations. These additives are commonly synthesized th... read more here.
Keywords: catalysts ene; lewis acid; ene reaction; computational screening ... See more keywords
Construction of Distant Stereocenters by Enantioselective Desymmetrizing Carbonyl-Ene Reaction.
Sign Up to like & getrecommendations! Published in 2017 at "Organic letters"
DOI: 10.1021/acs.orglett.7b01329
Abstract: An efficient desymmetrizing carbonyl-ene reaction of 1-substituted 4-methylenecyclohexanes with glyoxal derivatives was thus executed by a chiral N,N'-dioxide/NiII catalyst, providing facile access to cyclohexene derivatives bearing two remote 1,6-related stereocenters. This distal stereocontrol methodology originates… read more here.
Keywords: carbonyl ene; desymmetrizing carbonyl; distant stereocenters; ene reaction ... See more keywords
An enzymatic Alder-ene reaction
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DOI: 10.1038/s41586-020-2743-5
Abstract: An ongoing challenge in chemical research is to design catalysts that select the outcomes of the reactions of complex molecules. Chemists rely on organo- or transition metal catalysts to control stereo-, regio-, and periselectivity (selectivity… read more here.
Keywords: alder ene; enzymatic alder; biology; reaction ... See more keywords
Interfacing enzymes with silicon nanocrystals through the thiol-ene reaction.
Sign Up to like & getrecommendations! Published in 2018 at "Nanoscale"
DOI: 10.1039/c8nr05368e
Abstract: This study reports the preparation of functional bioinorganic hybrids, through application of the thiol-ene reaction, that exhibit catalytic activity and photoluminescent properties from enzymes and freestanding silicon nanocrystals. Thermal hydrosilylation of 1,7-octadiene and alkene-terminated poly(ethylene… read more here.
Keywords: silicon nanocrystals; thiol ene; spectroscopy; ene reaction ... See more keywords
F10BINOL-derived chiral phosphoric acid-catalyzed enantioselective carbonyl-ene reaction: theoretical elucidation of stereochemical outcomes† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c8sc03587c
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Science"
DOI: 10.1039/c8sc03587c
Abstract: An enantioselective carbonyl-ene reaction of 1,1-disubstituted olefins with ethyl glyoxylate was accomplished using an F10BINOL-derived chiral phosphoric acid of which the perfluoro-binaphthyl skeleton is beneficial not only for adopting high catalytic activity but also for… read more here.
Keywords: carbonyl ene; f10binol derived; derived chiral; chiral phosphoric ... See more keywords
Fe(BF4)2 catalyzed inter- and intramolecular carbonyl-ene reaction of trifluoropyruvate
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DOI: 10.1055/s-0036-1591858
Abstract: Inter- and intramolecular carbonyl-ene reactions have been developed using 5 mol% Fe(BF 4 ) 2 as catalyst, affording homoallylic alcohols in 36–87% isolated yields. This catalyst, prepared from FeCl 2 and AgBF 4 , is… read more here.
Keywords: carbonyl ene; intramolecular carbonyl; ene; ene reaction ... See more keywords
Facile Access to Cyclopentadienes via Catalytic Intramolecular Palladium-Ene Reaction of 2,4-Pentadienyl Acetates
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DOI: 10.1055/s-0037-1610552
Abstract: We have recently disclosed a palladium-catalyzed Trost–Oppolzer type Alder-ene reaction of 2,4-pentadienyl acetates for the synthesis of highly substituted cyclopentadienes and cyclopentene-fused aromatics. The overall transformation also represents an acid-free iso-Nazarov type cyclization. Herein, we… read more here.
Keywords: reaction pentadienyl; palladium; pentadienyl acetates; ene reaction ... See more keywords
Influence of Functional Groups on the Ene Reaction of Singlet Oxygen with 1,4-Cyclohexadienes.
Sign Up to like & getrecommendations! Published in 2021 at "Photochemistry and photobiology"
DOI: 10.1111/php.13422
Abstract: The photooxygenation of 1,4-cyclohexadienes has been studied with a special focus on regio- and stereoselectivities. In all examples, only the methyl-substituted double bond undergoes an ene reaction with singlet oxygen, to afford hydroperoxides in moderate… read more here.
Keywords: singlet oxygen; oxygen; reaction singlet; ene reaction ... See more keywords