1235120-75-8Relevant academic research and scientific papers
Al2O3-Supported Cu-catalyzed electrophilic substitution by PhSeBr in organoboranes, organosilanes, and organostannanes. A protocol for the synthesis of unsymmetrical diaryl and alkyl aryl selenides
Bhadra, Sukalyan,Saha, Amit,Ranu, Brindaban C.
, p. 4864 - 4867 (2010)
(Figure Presented) Alumina-supported copper sulfate efficiently catalyzes electrophilic substitution in organoborane, organosilanes, and organostannanes by phenylselenium bromide providing a novel and efficient route to the synthesis of unsymmetrical diaryl and alkyl aryl selenides. A series of aryl, alkyl, and heteroaryl phenyl selenides were obtained in high yields. The catalyst is inexpensive, eco- and user-friendly, and recyclable. The mechanism involving Cu-assisted nucleophilic displacement of Br in PhSeBr by mild nucleophiles is described.
Magnetically separable CuFe2O4 nanoparticle catalyzed CSe cross coupling in reusable PEG medium
Harsha Vardhan Reddy,Satish,Ramesh,Karnakar,Nageswar
experimental part, p. 585 - 587 (2012/07/30)
A simple and efficient procedure for the synthesis of unsymmetrical diaryl selenides has been developed by magnetically separable CuFe2O 4 nanoparticle catalyzed reactions of organoboranes with PhSeBr in recyclable PEG-400 medium at 80 °C and Cs2CO3 as base. Using this protocol, a variety of unsymmetrical selenides were obtained in good to excellent yields. The copper ferrite nanoparticles were magnetically separated, recycled, and reused up to four cycles.
