Chemical modification of materials by reaction with diaryl diazomethanes

Tetrahedron Letters

Volumn 50, Issue 26, 2009, Pages 3499-3502

  Leonard, David ^a   Moloney, Mark G ^a   Thompson, Claire ^a  

^a UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

DIAZOMETHANE; POLYSTYRENE; SILICON; SILICON DIOXIDE;

ARTICLE; CHEMICAL ANALYSIS; CHEMICAL MODIFICATION; CHEMICAL REACTION; COMBUSTION; CONTROLLED STUDY; SPECTROSCOPY; SURFACE PROPERTY;

EID: 65549141869     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2009.03.039     Document Type: Article

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12. Sample experimental for polymer modification: Dimethoxydiphenyldiazomethane 1 was dissolved in diethyl ether and applied to 150 mg of polystyrene XAD beads (supplied by Sigma-Aldrich) using a Pasteur pipette until a suspension of beads was formed. The solvent was allowed to evaporate, then the dry beads were heated in an oven (80 °C) overnight until decolourisation from purple to yellow was complete. After cooling, the modified beads were washed thoroughly with acetone, water and then acetone again, before being left to air dry. The modification procedure was repeated in its entirety before further reaction.
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