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    • 1. 发明授权
    • Thiocarbonylthio compound and living free radical polymerization using the same
    • 硫羰基硫代化合物和活性自由基聚合使用
    • US06720429B2
    • 2004-04-13
    • US10128246
    • 2002-04-24
    • Lizamma MathewKuo-Chen Shih
    • Lizamma MathewKuo-Chen Shih
    • C07D20944
    • C07D209/48C08F2/38C08F4/00
    • The present invention provides a thiocarbonylthio compound represented by formula (I) Wherein n is an integer of 0 to 3; R1 is alkyl, haloalkyl, alkenyl, aryl, alkylaryl, haloalkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, alkoxyaryl, alkyl sulfide, or alkylsilyl; R2 and R3 are independently H, alkyl, haloalkyl, alkenyl, aryl, alkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, alkyl sulfide, or alkylsilyl; R4 and R5 are independently H, alkyl, haloalkyl, alkenyl, aryl, alkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, alkyl sulfide, or alkylsilyl, or R4 and R5 link together with the carbon atoms to which they are attached to form a ring system; and Y is O or S. The thiocarbonylthio compound can be used in a living free radical polymerization to obtain a polymer with high conversion and low polydispersity.
    • 本发明提供由式(I)表示的硫代羰基硫代化合物,其中n为0-3的整数; R 1是烷基,卤代烷基,烯基,芳基,烷基芳基,卤代烷基芳基,芳基烷基,氨基烷基,烷基氨基,烷氧基,烷氧基芳基,烷基硫基或烷基甲硅烷基。 R 2和R 3独立地为H,烷基,卤代烷基,烯基,芳基,烷基芳基,芳基烷基,氨基烷基,烷基氨基,烷氧基,烷基硫基或烷基甲硅烷基。 R 4和R 5独立地是H,烷基,卤代烷基,烯基,芳基,烷基芳基,芳基烷基,氨基烷基,烷基氨基,烷氧基,烷基硫基或烷基甲硅烷基,或者R 4和R 5与它们所连接的碳原子一起形成环 系统; Y为O或S.硫代羰基硫代化合物可用于活性自由基聚合,得到高转化率和低多分散性的聚合物。