81699-90-3Relevant academic research and scientific papers
A General and highly efficient protocol for the synthesis of chalcogenoacetylenes by copper(I)-terpyridine catalyst
Movassagh, Barahman,Yousefi, Ali,Momeni, Badri Zaman,Heydari, Sepideh
, p. 1385 - 1390 (2014/06/23)
A highly efficient copper-catalyzed Csp-X (X = S, Se, Te) bond-forming reaction of terminal alkynes and diorganyl dichalcogenides has been developed. This transformation was realized through the use of copper(I) iodide as a catalyst, 4′-(4-meth
Cryptand-22 as an efficient ligand for the copper-catalyzed cross-coupling reaction of diorgano dichalcogenides with terminal alkynes leading to the synthesis of alkynyl chalcogenides
Mohammadi, Elmira,Movassagh, Barahman
, p. 1613 - 1615 (2014/03/21)
A general and efficient method for the cross-coupling reaction of diorgano dichalcogenides with terminal alkynes using copper iodide/cryptand-22 (CuI/C22) has been developed. This protocol gave alkynyl chalcogenides in moderate to excellent yields in the
An efficient synthesis of alkynyl selenides and tellurides from terminal acetylenes and diorganyl diselenides or ditellurides catalyzed by recyclable copper oxide nanopowder
Godoi, Marcelo,Ricardo, Eduardo W.,Frizon, Tiago E.,Rocha, Manuela S. T.,Braga, Antonio Luiz,Singh, Devender,Paixao, Marcio W.
, p. 10426 - 10430,5 (2012/12/12)
Herein, we report an efficient method for the synthesis of alkynyl selenides and tellurides from terminal alkynes and diorganyl diselenides or ditellurides using CuO nanopowder as a recyclable catalyst. This new methodology furnished the desired products in good to excellent yields. Furthermore, the catalyst was easily recovered and reused for further catalytic reactions without loss of activity.
Synthesis of substituted Se-phenyl selenocarboxylates from terminal alkynes
Tiecco, Marcello,Testaferri, Lorenzo,Temperini, Andrea,Bagnoli, Luana,Marini, Francesca,Santi, Claudio,Terlizzi, Raffaella
, p. 3447 - 3458 (2007/10/03)
Se-Phenyl selenocarboxylates have been conveniently prepared from (phenylseleno)acetylenes by treatment with p-toluenesulfonic acid monohydrate in dichloromethane. This easy conversion is compatible with a broad range of oxygen- and nitrogen-containing functional groups. The Se-phenyl selenocarboxylates were easily converted into the corresponding esters and amides. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004.
Short and efficient preparation of alkynyl selenides, sulfides and tellurides from terminal alkynes
Bieber, Lothar W.,Da Silva, Margarete F.,Menezes, Paulo H.
, p. 2735 - 2737 (2007/10/03)
Diphenyl diselenide reacts with terminal alkynes at room temperature in DMSO in the presence of catalytic amounts of copper iodide to give good to excellent yields of alkynyl phenyl selenides. The reaction occurs under neutral conditions and the solvent a
Convenient preparation of alkynyl selenides, sulfides and tellurides from terminal alkynes and phenylchalcogenyl halides in the presence of copper(I) iodide
Braga,Silveira,Reckziegel,Menezes
, p. 8041 - 8042 (2007/10/02)
Alkynyl selenides, sulfides and tellurides were obtained under very mild conditions by reacting terminal alkynes with phenylchalcogenyl halides in the presence of copper iodide(I).
PREPARATION OF 3-HYDROXYL-VINYL SELENIDES AND 1,3-BIS(SELENO)-PROPENES
Renard, M.,Hevesi, L.
, p. 5939 - 5954 (2007/10/02)
Z and E 3-hydroxy-vinyl selenides can be prepared with very high stereoselectivity respectively by nucleophilic addition of selenolates to propargyl alcohols and by selenylation followed by LiAlH4 reduction of the same propargyl alcohols. 1,3-Bis(seleno)-
Cu(I)-CATALYZED REACTION OF TERMINAL ALKYNES WITH PHENYL SELENOCYANATE IN THE PRESENCE OF TRIETHYLAMINE. SYNTHESIS OF ALKYNYL SELENIDES
Tomoda, Shuji,Takeuchi, Yoshito,Nomura, Yujiro
, p. 253 - 256 (2007/10/02)
Treatment of terminal alkynes with phenyl selenocyanate in dichloromethane in the presence of CuX(X=CN or Br) and triethylamine at room temperature gave 1-phenylseleno-1-alkynes in high yields.
