104919-85-9Relevant articles and documents
Regioselective synthesis of hydroxy butenolides: A convenient synthesis of A-factor
Yadav,Valluri,Rama Rao
, p. 3609 - 3612 (1994)
An elegant approach for the regioselective preparation of hydroxy butenolide by the oxidation of 2-ethoxyfuran with MnO2-HCl is described.
Photosensitized Oxidation of Furans; XI. A Simple General Method for the Synthesis of 3-, 4-, or 3,4-Functionalized 5-Hydroxyfuran-2(5H)-ones (4-Hydroxy-2-butenolides)
Graziano, M. L.,Iesce, M. R.
, p. 1151 - 1153 (2007/10/02)
The title compounds 3 are prepared, in good yields, by methylene blue photosensitized oxidation of furans 1 in acetone and thermal conversion of the solutions of the intermediate endo-2,5-peroxides 2.