Oxidation of Furans with 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone(DDQ)
作者:Shinsei Sayama、Yutaka Inamura
DOI:10.3987/com-96-7456
日期:——
2,5-Disubstituted furans were oxidatively cleaved to 2-butene-1,4-diones with DDQ in CH2Cl2-DMSO. In particular, 3-alkoxy-2,5-diphenylfurans were selectively converted into cis-2-alkoxy-1,4-diphenyl-2-butene-1,4-diones with DDQ in CH2Cl2.
The Transetherification of 3-Alkoxy-2,5-diphenylfurans
作者:Philip S. Bailey、John D. Christian
DOI:10.1021/ja01180a072
日期:1949.12
Convenient Transformation of 3-Alkoxyfurans to 2-Alkoxy-3-furanones or cis-2-Alkoxy-2-butene-1,4-diones with Phenyltrimethylammonium Tribromide
作者:Shinsei Sayama
DOI:10.3987/com-05-10366
日期:——
3-Alkoxy-2,5-diphenylfurans and 3-alkoxy-2,4,5-triphenylfurans were converted to 2-alkoxy-3-furanones with phenyltrimethylammonium tribromides(PTAB) in various alcohols at room temperature. The oxidative ring-opening of 3-alkoxy-2,5-diphenylfurans to cis-2-alkoxy-2-butene-1,4-diones was also accomplished with PTAB in DMSO.
INAMURA, YASA;INAMURA, YUTAKA, J. CHEM. SOC. JAP., CHEM. AND IND. CHEM., 1985, N 1, 134-137