Cu-catalyzed [2 + 2 + 1] cascade annulation of vinyl iodonium salts with elemental sulfur/selenium for the modular synthesis of thiophenes and selenophenes
A [2 + 2 + 1] annulation protocol has been established for the modular synthesis of 2,4-disubstituted thiophenes/selenophenes, with excellent regioselectivity. The reactions have been catalyzed by copper salt with elemental sulfur and selenium serving as
Chen, Chao,Wang, Fei,Wu, Chao,Wu, Yaxing
supporting information
p. 945 - 949
(2022/02/01)
Thermal Reaction of Phenylacetylene with Dialkyl Diselenides
Heating of phenylacetylene with dialkyl diselenides results in addition of two alkaneselenyl groups to the phenylacetylene triple bond to give a mixture of E and Z adducts. When heated together with dialkyl disulfides, diakyl diselenides initiate addition
Shilkina, T. A.,Papernaya, L. K.,Deryagina, E. N.,Albanov, A. I.
p. 77 - 79
(2007/10/03)
Synthesis of 2,4-Diphenylselenophene
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Shilkina, T. A.,Papernaya, L. K.,Deryagina, E. N.
p. 831 - 832
(2007/10/03)
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