期刊
JOURNAL OF NANOPARTICLE RESEARCH
卷 17, 期 9, 页码 -出版社
SPRINGER
DOI: 10.1007/s11051-015-3167-2
关键词
Magnetic nanoparticles; Click chemistry; Diazonium salts; Biotin; Sulfonamides; Carbon shell
New magnetic Fe@C nanoparticles in the size range of about 20-50 nm functionalized with amino, hydroxy, propargyl, or maleinimido groups were synthesized by reaction with aryl diazonium salts. Aryl diazonium salts wherein the functional groups are linked via a sulfonamide moiety turned out to be advantageous over those with direct linkage. The obtained Fe@C nanoparticles represent magnetic nanoplatforms for linking bio-entities and organocatalysts using amide formation, CuAAC, or thiol-ene click chemistry as exemplified by selected examples. The Fe@C nanoparticles obtained exhibit supramolecular behavior with high value of saturation magnetization rendering them attractive for practical applications in biomedicine and organocatalysis.
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