I--Catalyzed Methyl−Oxygen Bond Cleavage in 2-Methoxyfurans. An Efficient Synthesis of Butenolides
journal contributionposted on 04.02.2005, 00:00 by Shengming Ma, Lianghua Lu, Ping Lu
An efficient I--catalyzed methyl-oxygen bond cleavage in 2-methoxyfurans was observed. The subsequent C−C bond formation occurred at the 5-position to afford substituted butenolides. The structures of the final products were determined by the X-ray diffraction study.