An efficient one-pot method for the synthesis of mono- and biscyclopentenones via zirconium-catalyzed cycloalumination of cyclic alkynes and diynes
作者:Vladimir A. D’yakonov、Regina A. Tuktarova、Usein M. Dzhemilev
DOI:10.1016/j.tetlet.2010.08.120
日期:2010.11
Mono- and bisaluminacyclopentenes obtained via zirconium-catalyzed cycloalumination with Et3Al and cyclic alkynes or diynes can be converted into the corresponding mono- and biscyclopentenones by treatment with CO2, ClCOOEt, or CO(OEt)(2) in yields of 34-73%. (C) 2010 Elsevier Ltd. All rights reserved.