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Synthesis 1992; 1992(10): 954-956
DOI: 10.1055/s-1992-26276
short paper
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An Easy One-Pot Synthesis of Group 14 C-Metallated 2 (or 3)-Furan- and Thiophenecarbaldehydes

Franck Denat* , H. Gaspard-Iloughmane, Jacques Dubac
  • *Laboratoire des Organométalliques (URA 477-CNRS), Université Paul-Sabatier,118, route de Narbonne, F-31062 Toulouse Cedex, France
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Publication Date:
17 September 2002 (online)

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The group 14 C-metallated 2(or 3)-furan- and thiophenecarbaldehydes 4-19 have been regioselectively prepared by a one-pot procedure from the corresponding furan- and thiophenecarbaldehydes using lithium N-methylpiperazide/butyllithium or sec-butyllithium/chlorotrialkylsilanes (germanes, tin)/water as sequence of reagents.