Heterocycles p. 481 - 487 (1999)
Update date:2022-08-05
Topics:
Silva, Artur M. S.
Vieira, Judite S.
Cavaleiro, José A. S.
Patonay, Tamás
Lévai, Albert
Elguero, José
The reactions of 2-α-bromostyrylchromones or 2-styrylchromones with sodium azide afforded 4(5)-aryl-5(4)-(2-chromonyl)-1,2,3-triazoles. In the case of 2-α-bromostyrylchromones, the unexpected 1-aryl-5-(2-chromonyl- methyl)tetrazoles have been obtained as minor products and the mechanism of its formation is discussed. The bromination/dehydrobromination reactions of 2-styrylchromones were also studied.
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