An Efficient Copper-mediated 1,3-Dipolar Cycloaddition of Pyrazolidinone-based Dipoles to Terminal Alkynes to Produce N,N-Bicyclic Pyrazolidinone Derivatives

An Efficient Copper-mediated 1,3-Dipolar Cycloaddition of Pyrazolidinone-based Dipoles to Terminal Alkynes to Produce N,N-Bicyclic Pyrazolidinone Derivatives

A simple dinuclear copper complex [Cu(μ-OH)(tmen)]2Cl2 (tmen = N,N,N′,N′-tetramethylethylenediamine) could act as an effective precatalyst for the 1,3-dipolar cycloaddition of pyrazolidinone-based dipoles to terminal alkynes to produce the corresponding N,N-bicyclic pyrazolidinone derivatives.

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Veröffentlicht in:Chemistry letters 2010-10, Vol.39 (10), p.1086-1087
Hauptverfasser: Oishi, Takamichi, Yoshimura, Kazuaki, Yamaguchi, Kazuya, Mizuno, Noritaka
Format: Artikel
Sprache:eng
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Zusammenfassung:A simple dinuclear copper complex [Cu(μ-OH)(tmen)]2Cl2 (tmen = N,N,N′,N′-tetramethylethylenediamine) could act as an effective precatalyst for the 1,3-dipolar cycloaddition of pyrazolidinone-based dipoles to terminal alkynes to produce the corresponding N,N-bicyclic pyrazolidinone derivatives.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2010.1086