Tandem transformations of tetrahydrobenzothieno[2,3-c]pyridines in the presence of activated alkynes
作者:Leonid G. Voskressensky、Svetlana A. Kovaleva、Tatiana N. Borisova、Anna V. Listratova、Alexandr B. Eresko、Valery S. Tolkunov、Sergey V. Tolkunov、Alexey V. Varlamov
DOI:10.1016/j.tet.2010.09.098
日期:2010.11
The reactivity of some new tetrahydrothienopyridines towards activated alkynes was investigated. A novel cascade cleavage-spiroannulation process, leading to the formation of previously unreported derivatives of 1'H-spiro[1-benzothiophene-3,4'-pyridine] was discovered and studied. (C) 2010 Elsevier Ltd. All rights reserved.
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