A Facile Method for Synthesis of Alkyl Phenyl Selenides. The Reaction of Diphenyl Diselenide with Oxygen-containing Compounds Using La/Me<sub>3</sub>SiCl/<sup>cat.</sup>I<sub>2</sub>/<sup>cat.</sup>CuI System
作者:Toshiki Nishino、Yutaka Nishiyama、Noboru Sonoda
DOI:10.1246/cl.2003.918
日期:2003.10
Alcohols, ethers, and esters were directly converted to the corresponding alkyl phenyl selenides by the reaction of diphenyldiselenide and the La/Me3SiCl/cat.I2/cat.CuI. It was suggested that alkyl phenyl selenides were formed by the SH2 type reaction of diphenyldiselenide with alkyl radicals generated from alcohols, ethers or esters.
Ionic liquid/PPh3 promoted cleavage of diphenyl disulfide and diselenide: a straight-forward metal-free one-pot route to the synthesis of unsymmetrical sulfides and selenides
作者:Subhash Banerjee、Laksmikanta Adak、Brindaban C. Ranu
DOI:10.1016/j.tetlet.2012.02.047
日期:2012.4
A metal-free cleavage of diphenyl disulfide and diphenyl diselenide has been achieved using ionic liquid/triphenyl phosphine (PPh3) and a convenient protocol for the one-pot synthesis of unsymmetrical sulfides and selenides by condensing ‘in situ’ generated thiolate or selenate anion with alkyl halides has been developed. In addition, 1,4-conjugate addition of the generated thiolate anions to activated
Employment of Palladium Pincer-Complexes in Phenylselenylation of Organohalides
作者:Olov A. Wallner、Kálmán J. Szabó
DOI:10.1021/jo051266x
日期:2005.11.1
Palladium pincer-complex-catalyzed selenylation of propargyl-, allyl-, benzyl-, and benzoyl halides could be achieved under mild reaction conditions employing trimethylstannylphenylselenide as selenylating agent. This reaction has a high functional group tolerance as carbmethoxy, tosylamino, nitro, aryl bromide, and unprotected hydroxy groups are tolerated. Mechanistic studies indicate that the catalytic
Indium(I) Iodide-Mediated Cleavage of Diphenyl Diselenide. An Efficient One-Pot Procedure for the Synthesis of Unsymmetrical Diorganyl Selenides
作者:Brindaban C. Ranu、Tanmay Mandal、Sampak Samanta
DOI:10.1021/ol034178c
日期:2003.5.1
A simple and efficient procedure has been developed for the synthesis of unsymmetrical diorganyl selenides through a one-pot indium(I) iodide-mediated reaction of alkyl halide and diphenyl diselenide in methylene chloride at room temperature. [reaction: see text]
Indium(I) Iodide-Promoted Cleavage of Diaryl Diselenides and Disulfides and Subsequent Condensation with Alkyl or Acyl Halides. One-Pot Efficient Synthesis of Diorganyl Selenides, Sulfides, Selenoesters, and Thioesters
作者:Brindaban C. Ranu、Tanmay Mandal
DOI:10.1021/jo0493727
日期:2004.8.1
disulfides undergo facile cleavages by indium(I) iodide and the corresponding generated selenate and thiolate anions condense in situ with alkyl or acyl halides present in the reaction mixture. Thus, a simple, efficient, and general procedure has been developed for the synthesis of unsymmetrical diorganyl selenides, sulfides (thioethers), selenoesters, and thioesters by this one-pot reaction at room temperature