
Journal of Organic Chemistry p. 4762 - 4770 (2016)
Update date:2022-08-05
Topics:
Wu, Ya-Nan
Fu, Rong
Wang, Nan-Nan
Hao, Wen-Juan
Li, Guigen
Tu, Shu-Jiang
Jiang, Bo
A new copper-catalyzed sulfur-enabled dehydrobicyclization of 1,6-enynes using potassium sulfide as a sulfurating reagent has been established, providing a straightforward access toward arylated indeno[1,2-c]thiophenes with moderate to good yields. This sulfur incorporation pathway involves Michael addition, 5-exo-dig/5-endo-trig bicyclization and dehydrogenation sequence, resulting in continuous multiple bond-forming events including C-S and C-C bonds to rapidly construct functional organic molecules.
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