Smoke suppression of graphene platelets fabricated by Friedel–Crafts reaction in brominated flame-retarded PS
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-017-6093-y
Abstract: Graphene nanoplatelets (GNPs) were introduced into polystyrene (PS)/brominated polystyrene (BPS) blends to suppress the large amounts of smoke generated from brominated flame retardants during combustion. A Lewis acid catalyst (AlCl3) was added to initiate Friedel–Crafts… read more here.
Keywords: friedel crafts; gnps; crafts reaction; fabricated friedel ... See more keywords
Catalyst-free Friedel-Crafts reaction of 1-(N-acylamino)alkyltriarylphosphonium salts with electron-rich arenes
Sign Up to like & getrecommendations! Published in 2018 at "Tetrahedron"
DOI: 10.1016/j.tet.2018.03.053
Abstract: Abstract Friedel-Crafts reaction of 1-(N-acylamino)alkyltriarylphosphonium salts with arenes or heteroarenes without the need for any catalyst provided access to a wide range of biologically interesting N-(1-arylalkyl)amides or 1-arylalkylphosphonium salts which can be of great interest… read more here.
Keywords: acylamino alkyltriarylphosphonium; crafts reaction; reaction; reaction acylamino ... See more keywords
Organocatalytic, Enantioselective Friedel-Crafts Reaction of Indoles in the Carbocyclic Ring and Electron-Rich Phenols.
Sign Up to like & getrecommendations! Published in 2018 at "Organic letters"
DOI: 10.1021/acs.orglett.8b00503
Abstract: An efficient method has been successfully developed to achieve the asymmetric C-H functionalization of indoles in the carbocyclic ring via organocatalysis, and a variety of tetrahydropyranoindoles were synthesized in good yields with excellent stereoselectivities. Further… read more here.
Keywords: indoles carbocyclic; organocatalytic enantioselective; enantioselective friedel; crafts reaction ... See more keywords
The Friedel-Crafts reaction of fluorinated graphene for high-yield arylation of graphene.
Sign Up to like & getrecommendations! Published in 2018 at "Chemical communications"
DOI: 10.1039/c8cc05762a
Abstract: Herein, we report the Friedel-Crafts reaction of fluorinated graphene with aryl molecules including methylbenzene, chlorobenzene and polystyrene. The reaction achieved the high-yield arylation functionalization of graphene under mild reaction conditions and extends the range of… read more here.
Keywords: fluorinated graphene; high yield; crafts reaction; reaction ... See more keywords
Enantioselective synthesis of isoquinoline-1,3(2H,4H)-dione derivatives via a chiral phosphoric acid catalyzed aza-Friedel-Crafts reaction.
Sign Up to like & getrecommendations! Published in 2019 at "Chemical communications"
DOI: 10.1039/c9cc04057a
Abstract: A highly enantioselective aza-Friedel-Crafts reaction of structurally new ketimines with indoles and pyrrole is developed by using a chiral phosphoric acid as the catalyst. This protocol enables the first enantioselective synthesis of isoquinoline-1,3(2H,4H)-dione derivatives in… read more here.
Keywords: chiral phosphoric; phosphoric acid; aza friedel; crafts reaction ... See more keywords
Sc(OTf)3-Catalyzed Aza-Friedel–Crafts Reaction of Electron-Rich Arenes with Isatin-Derived Ketimines: Access to 3-Amino-3-Aryl-2-Oxindoles
Sign Up to like & getrecommendations! Published in 2017 at "Synlett"
DOI: 10.1055/s-0036-1588432
Abstract: A Sc(OTf)3-catalyzed aza-Friedel–Crafts reaction of electron-rich arenes with isatin-derived ketimines is disclosed, providing biologically interesting 3-amino-3-aryl-2-oxindoles in moderate to good yields with broad substrate scope. This reaction can be easily scaled up, and the Boc… read more here.
Keywords: otf catalyzed; catalyzed aza; aza friedel; crafts reaction ... See more keywords
Protonated Bis-1,2,3-triazole as an Anion-Binding Chiral Brønsted Acid for Catalytic Asymmetric Friedel–Crafts Reaction of Indoles with Imines
Sign Up to like & getrecommendations! Published in 2018 at "Bulletin of the Chemical Society of Japan"
DOI: 10.1246/bcsj.20180098
Abstract: The complex of chiral C2-symmetric bis-1,2,3-triazole and an achiral Bronsted acid is introduced as a new class of chiral acid catalysts. The catalytic activity and stereocontrolling ability of this chiral Bronsted acid can be tuned… read more here.
Keywords: reaction indoles; asymmetric friedel; crafts reaction; bis triazole ... See more keywords
Covalently Functionalized DNA Duplexes and Quadruplexes as Hybrid Catalysts in an Enantioselective Friedel–Crafts Reaction
Sign Up to like & getrecommendations! Published in 2020 at "Molecules"
DOI: 10.3390/molecules25143121
Abstract: The precise site-specific positioning of metal–ligand complexes on various DNA structures through covalent linkages has gained importance in the development of hybrid catalysts for aqueous-phase homogeneous catalysis. Covalently modified double-stranded and G-quadruplex DNA-based hybrid catalysts… read more here.
Keywords: dna; enantioselective friedel; hybrid catalysts; crafts reaction ... See more keywords