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首页> 外文期刊>Journal of Organometallic Chemistry >ELECTROCHEMICAL SYNTHESIS OF BIS(2-THIENYL)SILANES, 2-THIENYLCHLOROSILANES, BIS[5-(2-BROMOTHIENYL)]SILANES, AND 5-(2-BROMOTHIENYL) DIMETHYLCHLOROSILANE, PRECURSORS OF POLY[(SILANYLENE)THIOPHENE]S
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ELECTROCHEMICAL SYNTHESIS OF BIS(2-THIENYL)SILANES, 2-THIENYLCHLOROSILANES, BIS[5-(2-BROMOTHIENYL)]SILANES, AND 5-(2-BROMOTHIENYL) DIMETHYLCHLOROSILANE, PRECURSORS OF POLY[(SILANYLENE)THIOPHENE]S

机译:电化学合成双(2-噻吩基)硅酮,2-噻吩基氯硅烷,双[5-(2-溴代苯基)]硅酮和5-(2-溴代苯基)二甲基氯硅烷,聚[(硅烷基)噻吩]的前体

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摘要

Bis(2-thienyl)silanes and bis[5-(2-bromothienyl)]silanes were synthesized by electrochemical reduction of monohalothiophenes (Br,CI) and 2,5-dibromothiophene respectively in the presence of a dichlorosilane in THF or DME, using an undivided cell, a sacrificial Mg or Al anode, a constant current density and tetrabutylammonium bromide as the supporting electrolyte. In addition, when dichlorosilanes were used in large excess, halothiophenes underwent solely a monocoupling reaction leading selectively to thienylchlorosilanes, which reveals the versatility of the electrochemical method. [References: 29]
机译:在THF或DME中,在二氯硅烷存在下,分别通过电化学还原单卤代噻吩(Br,Cl)和2,5-二溴噻吩,合成了双(2-噻吩基)硅烷和双[5-(2-溴噻吩基)]硅烷。一个未分割的电池,一个牺牲性的Mg或Al阳极,一个恒定的电流密度和四丁基溴化铵作为支持电解质。另外,当大量使用二氯硅烷时,卤代噻吩仅进行单偶联反应,选择性地导致噻吩基氯硅烷,这揭示了电化学方法的多功能性。 [参考:29]

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