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Communication | Special issue | Vol 47, No. 2, 1998, pp.651-654
Published online, 1st January, 1970
DOI: 10.3987/COM-97-S(N)82
Synthesis of Medium-Size Lactones from Alkyne Using Chromium Carbene Complex

Miwako Mori,* Takashi Norizuki, and Taro Ishibashi

*Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan


Reaction of alkynes having the hydroxy group in a tether with choromium carbene complex gave medium-size lactones in good to moderate yields. The two geminal substituents in a chain affect the yield of the lactones.