Synfacts 2011(4): 0431-0431  
DOI: 10.1055/s-0030-1259601
Metal-Mediated Synthesis
© Georg Thieme Verlag Stuttgart ˙ New York

Copper(I)-Catalyzed Coupling of N-Tosyl-hydrazones with Terminal Alkynes

Contributor(s): Paul Knochel, Andreas K. Steib
Q. Xiao, Y. Xia, H. Li, Y. Zhang, J. Wang*
Peking University, Beijing, P. R. of China
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18. März 2011 (online)


A new copper(I)-catalyzed coupling reaction of N-tosylhydrazones with terminal alkynes, which affords trisubstituted allenes in moderate to good yield, is described.