Magnetically Separable Copper Ferrite Nanoparticles-Catalyzed Synthesis of Diaryl, Alkyl/Aryl Sulfones from Arylsulfinic Acid Salts and Organohalides/Boronic Acids
作者:B. T. V. Srinivas、Vikas S. Rawat、Kavitha Konda、Bojja Sreedhar
DOI:10.1002/adsc.201301003
日期:2014.3.10
inexpensive, non‐toxic and environmentally benign catalytic system comprised of magnetically separable copper ferrite (CuFe2O4) nanoparticles has been developed for the synthesis of diaryl, alkyl/aryl sulfones. Arylsulfinic acid salts are coupled with various alkyl/aryl halides/boronic acids to afford the corresponding diaryl, alkyl/aryl sulfones in good to excellent yields under the identical catalytic system
由可磁分离的铁氧体铜(CuFe 2 O 4)纳米粒子组成的可回收,廉价,无毒且对环境无害的催化体系已经开发出来,用于合成二芳基,烷基/芳基砜。在相同的催化体系下,将芳基亚磺酸盐与各种烷基/芳基卤化物/硼酸偶联,以良好或优异的收率得到相应的二芳基,烷基/芳基砜。宽泛的官能团耐受性,加上通过施加外部磁场即可轻松回收催化剂,以及连续五个连续循环始终如一的高催化效率,使得该方案在操作上具有吸引力。