Organic tellurium compound, process for producing the same,...

Details Organic tellurium compound, process for producing the same,... Organic tellurium compound, process for producing the same,...

C - Chemistry, Metallurgy

07

C

C07C 395/00 (2006.01) C08F 4/00 (2006.01) C08F 297/00 (2006.01)

Patent

CA 2494816

An organotellurium compound of the formula (1) is useful as a living radical polymerization initiator and makes possible precision control of molecular weights and molecular weight distributions under mild conditions (see formula 1) wherein R1 is C1 - C8 alkyl, R2 and R3 are each a hydrogen atom or C1 - C8 alkyl, and R4 is aryl, substituted aryl, aromatic heterocyclic group, hydroxycarbonyl or cyano.

L'invention concerne un composé d'organotellure représenté par la formule (1), qui est utilisé comme amorceur de polymérisation de radical vivant et qui permet de réguler avec précision le poids moléculaire et la distribution du poids moléculaire dans des conditions moyennes. (Dans la formule, R<1> représente C1-8 alkyle ; R2 et R3 représentent chacun hydrogène ou C1-8 alkyle ; et R4 représente aryle, aryle substitué, un groupe hétérocyclique aromatique, hydroxycarbonyle, ou cyano).

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