Poly(arylene sulfones) prepared by friedel-crafts reactions
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چکیده
منابع مشابه
Biocatalytic Friedel–Crafts Acylation and Fries Reaction
The Friedel-Crafts acylation is commonly used for the synthesis of aryl ketones, and a biocatalytic version, which may benefit from the chemo- and regioselectivity of enzymes, has not yet been introduced. Described here is a bacterial acyltransferase which can catalyze Friedel-Crafts C-acylation of phenolic substrates in buffer without the need of CoA-activated reagents. Conversions reach up to...
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Due to the profound extent to which natural products inspire medicinal chemists in drug discovery, there is demand for innovative syntheses of these often complex materials. This article describes the synthesis of tricarbocyclic natural product architectures through an extension of the enantioselective Birch-Cope sequence with intramolecular Friedel-Crafts alkylation reactions. Additionally, pa...
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Beta zeolite supported on silicon carbide, with high thermal conductivity and high mechanical strength, was successfully used as an active and stable catalyst for Friedel-Crafts reactions in a fixed bed configuration.
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Transition-metal-catalyzed alkylation reactions of arenes have become a central transformation in organic synthesis. Herein, we report the first general strategy for alkylation of arenes with styrenes and alcohols catalyzed by carbon-based materials, exploiting the unique property of graphenes to produce valuable diarylalkane products in high yields and excellent regioselectivity. The protocol ...
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Chloroaminocyclotriphosphazatrienes, N3P3Cl6-nRn [R = NHMe (n = 2), NHEt ( n = 1, 2), NHPr« (n = 4), NHPr* ( n = 1, 4), NHBu< (n = 2, 4), NHCH2Ph ( n = 1), NEt2 (n= 1, 2, 3), N(CH2Ph)2 (n = 1)] react with benzene in the presence of anhydrous aluminium chloride to give phenylated products: phosphazenes and/or hydrocarbons. The structures of the phenylphosphazenes are assigned from their NMR spec...
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ژورنال
عنوان ژورنال: Journal of Polymer Science Part A-1: Polymer Chemistry
سال: 1967
ISSN: 0449-296X,1542-9350
DOI: 10.1002/pol.1967.150050728