An efficient one-pot method for the synthesis of mono- and biscyclopentenones via zirconium-catalyzed cycloalumination of cyclic alkynes and diynes

作者：D'yakonov Vladimir A^*; Tuktarova Regina A; Dzhemilev Usein M

来源：Tetrahedron Letters, 2010, 51(45): 5886-5888.

DOI：10.1016/j.tetlet.2010.08.120

• Homogeneous catalysis
• Organoaluminium compounds
• Cycloalkynes
• Cycloalumination
• Dzhemilev reaction
• Cyclic diynes
• Cyclopentenones
• Zirconocene dichloride

Mono- and bisaluminacyclopentenes obtained via zirconium-catalyzed cycloalumination with Et(3)Al and cyclic alkynes or diynes can be converted into the corresponding mono- and biscyclopentenones by treatment with CO(2), ClCOOEt, or CO(OEt)(2) in yields of 34-73%.

• 出版日期2010-11-10