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Synthesis 2004(3): 331-333  
DOI: 10.1055/s-2004-815934
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© Georg Thieme Verlag Stuttgart · New York

Synthesis of Ferrocenylethynyl Ketones by Coupling of Ferrocenylethyne with Acyl Chlorides

Juxing Yin, Xiaojun Wang, Yongmin Liang, Xiaoli Wu, Baohua Chen*, Yongxiang Ma
National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
Fax: +86(931)8912582 ; e-Mail: chbh@lzu.edu.cn ;
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Publication History

Received 9 October 2003
Publication Date:
26 January 2004 (online)

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Abstract

Some new ethynyl ketones containing ferrocenyl moieties were prepared conveniently by coupling ferrocenylethyne with acyl chlorides in the presence of a catalytic amount of PdCl2(PPh3)2/PdBzCl(PPh3)2-CuI. This coupling reaction proceeded smoothly in a dry argon atmosphere at room temperature and gave coupling products in satisfactory yields.

Key words

ferrocene - ferrocenylethynyl ketones - Sonogashira coupling - acyl chlorides - Pd-catalysis