Functionalization of Graphene via 1,3-Dipolar Cycloaddition
نویسندگان
چکیده
منابع مشابه
Functionalization of graphene via 1,3-dipolar cycloaddition.
Few-layer graphenes (FLG) produced by dispersion and exfoliation of graphite in N-methylpyrrolidone were successfully functionalized using the 1,3-dipolar cycloaddition of azomethine ylides. The amino functional groups attached to graphene sheets were quantified by the Kaiser test. These amino groups selectively bind to gold nanorods, which were introduced as contrast markers for the identifica...
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Synthesis of enantiomerically pure isoxazolidine via an asymmetric 1,3- dipolar cycloaddition reaction of nitrone with electron-deficient dipolarophile was described. The process occurs at room temperature in aqueous ethanol as a green solvent and in the presence of a bidendate bis(imine)–Cu(II)triflate complex as catalyst. The reaction mechanism is discussed on the basis of the assignment of t...
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The catalytic highly regio-, diastereo-, and enantioselective synthesis of a small library of spiropyrrolizidineoxindolesvia a four-component 1,3-dipolar cycloaddition reaction of azomethine ylides, derived from isatin, with electron-deficient dipolarophilewas described. The process occurs at room temperature in aqueous ethanol as a green solvent and in the presence of a bidendatebis(imine)–Cu(...
متن کاملIdentifying Reactive Sites on Graphene Sheets against 1,3-Dipolar Cycloaddition and Amidation Reactions
The production of graphene by micromechanical cleavage 1 has triggered an enormous experimental activity. Since then, many studies have demonstrated that graphene monolayers possess novel structural, 2 electrical 3 and mechanical 4 properties. However many important issues need to be addressed before this material can be used in an ideal way. Much workhas been produced that proposes chemical fu...
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ژورنال
عنوان ژورنال: ACS Nano
سال: 2010
ISSN: 1936-0851,1936-086X
DOI: 10.1021/nn100883p