Zhenfu HanHiroshi ShinokuboKoichiro Oshima
A TiCl4/Et3N combination proved to be effective for the selective oxidation of propargylic alcohols into α,β-acetylenic aldehydes in good yields. Treatment of 2-hexyne-1,6-diol with TiCl4/Et3N provided 6-hydroxy-2-hexynal in good yield.
Zhenfu HanHiroshi ShinokuboKoichiro Oshima