Sulfur-Containing Silsesquioxane Derivatives Obtained by the Thiol-ene Reaction: Synthesis and Thermal Degradation.
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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
Facile Access to Phospholene Fused Polycycles through Intramolecular Alder‐ene Reaction of Phosphole Sulfides
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DOI: 10.1002/ejoc.202401294
Abstract: We have developed a simple, metal‐free annulation of phosphole sulfides through intramolecular Alder‐ene reaction involving a 1,6‐enyne component. This atom‐efficient cyclization pathway provides phospholene fused polycycles with high yields and excellent regioselectivity. The 1,6‐enyne cyclization… read more here.
Keywords: phospholene fused; phosphole; ene reaction; intramolecular alder ... See more keywords
Catalytic Asymmetric Hetero-ene Reaction for Direct Customizable Allylic Functionalization
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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.
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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.
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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
Lewis acid-catalyzed diastereoselective formal ene reaction of thioindolinones/thiolactams with bicyclobutanes
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DOI: 10.1039/d4sc02194k
Abstract: Bicyclo[1.1.0]butanes (BCBs), featuring two fused cyclopropane rings, have found widespread application in organic synthesis. Their versatile reactivity towards radicals, nucleophiles, cations, and carbenes makes them suitable for various reactions, including ring-opening and annulation strategies. Despite… read more here.
Keywords: reaction; reaction thioindolinones; ene reaction; formal ene ... See more keywords
Catalytic asymmetric construction of 1,5-remote Si- and C-stereocenters via desymmetrizing ene reaction of bis(methallyl)silanes
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DOI: 10.1039/d5sc01054c
Abstract: The catalytic enantioselective synthesis of chiral silanes has long been a challenging pursuit. Achieving simultaneous construction of remote Si- and C-stereogenic centers in an acyclic molecule via desymmetrization is particularly difficult. Herein, we realized an… read more here.
Keywords: construction remote; ene reaction; reaction bis; methallyl silanes ... 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