![(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-4-(methylselanyl)butanoic acid structure](https://static.chemtradehub.com/structs/121/1217852-49-7-f252.webp "(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-4-(methylselanyl)butanoic acid structure")
(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-4-(methylselanyl)butanoic acid
CAS Number:
1217852-49-7
Molecular Formula:
C20H21NO4Se
Carboxylic acids as latent initiators of radical polymerization carried out in the presence of hypervalent iodine compounds: synthesis of branched and transiently crosslinked polymers
Literature Information
Publication Date
2011-12-13
DOI
10.1039/C1PY00495F
Impact Factor
5.582
Authors
Hongzhang Han, Nicolay V. Tsarevsky
View Original
Abstract
The acetoxy groups in (diacetoxyiodo)benzene, PhI(OAc)2, can exchange with methacrylic acid in various solvents yielding [(acetoxy methacryloyloxy)iodo]benzene or (dimethacryloyloxyiodo)benzene. The last two hypervalent iodine compounds can serve as inimers due to the presence of polymerizable moiety and the easy generation of radicals upon thermal or light-induced homolysis of the I–O bonds. PhI(OAc)2 was added to mixtures of methacrylic acid and methyl methacrylate, and upon heating to 80 °C, branched or transiently crosslinked polymers were formed. In homopolymerizations of methyl methacrylate initiated by PhI(OAc)2, i.e., in the absence of the monomer with carboxylic acid group, no branching or gelation was observed.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
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