ORGANOTELLURIUM COMPOUNDS, METHOD FOR THEIR PREPARING, INITIATORS OF "LIVE" POLYMERIZATION, METHODS FOR PREPARING POLYMERS, POLYMERS, BLOCK-COPOLYMERS Russian patent published in 2007 - IPC C07F11/00 C07C395/00 C08F4/609

Abstract RU 2301809 C2

FIELD: chemistry of metalloorganic compounds.

SUBSTANCE: invention describes organotellurium compounds of the general formula (I): wherein R¹ means (C₁-C₈)-alkyl; each among R² and R³ means hydrogen atom (H) or (C₁-C₈)-alkyl; R⁴ means substituted phenyl, aromatic heterocyclic group or cyano-group. Proposed compounds can be used as initiating agents in "live" radical polymerization that provides possibility for precise regulation of molecular masses and molecular-mass distributions under mild conditions.

EFFECT: improved and valuable properties of compounds.

22 cl, 51 ex

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RU 2 301 809 C2

Authors

Jamago Sigeru

Josida Dzuniti

Dates

2007-06-27—Published

2002-08-06—Filed