Synlett p. 63 - 66 (2007)
Update date:2022-08-04
Topics:
Kato, Keisuke
Teraguchi, Ryuhei
Kusakabe, Taichi
Motodate, Satoshi
Yamamura, Shigeo
Mochida, Tomoyuki
Akita, Hiroyuki
Treatment of 1,1-diethynyl acetates in the presence of Au or Pt catalyst (5 mol%) in methanol at 60 °C for 20-48 hours gave γ-ketoesters and lactones in 40-54% and 19-39% yields, respectively. An oxygen atom is introduced to the first acetylene moiety in
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