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566098

Sigma-Aldrich

TEMPO, polymer-bound

100-200 mesh, extent of labeling: 1.0 mmol/g loading, 1 % cross-linked with divinylbenzene

Synonym(s):

(2,2,6,6-Tetramethyl-1-piperidinyloxy, free radical), polymer-bound, PS-TEMPO

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About This Item

MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.22

form

solid

crosslinking

1 % cross-linked with divinylbenzene

reaction suitability

reaction type: solution phase peptide synthesis
reactivity: alcohol reactive

extent of labeling

1.0 mmol/g loading

particle size

100-200 mesh

General description

TEMPO, polymer-bound (PS-TEMPO) has been synthesized via nitroxide catalyzed radical polymerization of styrene. TEMPO end-capped polystyrene (PS-TEMPO) copolymers have been synthesized for the modification of multi-walled carbon nanotubes (MWNTs). Synthesis of PS-TEMPO from polystyrene, benzoyl peroxide and TEMPO has been reported. Grafting of TEMPO onto polystyrene has been proposed via copper(I)-catalyzed azide-alkyne cycloaddition reaction.

Features and Benefits

Free radical catalyst.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

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Grafting of alkoxyamine end-capped (co) polymers onto multi-walled carbon nanotubes.
Lou X, et al.
Polymer, 45(18), 6097-6102 (2004)
Mechanism and kinetics of nitroxide-controlled free radical polymerization. Thermal decomposition of 2, 2, 6, 6-tetramethyl-1-polystyroxypiperidines.
Ohno K, et al.
Macromolecules, 30(8), 2503-2506 (1997)
Expedient Immobilization of TEMPO by Copper-Catalyzed Azide-Alkyne [3+ 2]-Cycloaddition onto Polystyrene Resin.
Gheorghe A, et al.
Advanced Synthesis & Catalysis, 348(9), 1016-1020 (2006)
J. Hodges
Journal of Combinatorial Chemistry, 2, 88-88 (2000)

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