133880-36-1Relevant articles and documents
FIVE-MEMBERED 2,3-DIOXOHETEROCYCLES. XXXV. REACTION OF 5-ARYL-2,3-DIHYDRO-2,3-FURANDIONES WITH KETENE ACETALS. SYNTHESIS, STRUCTURE, AND HETEROCYCLIZATION REACTIONS OF ALKYL 5-ARYL-2-HYDROXY-3-OXO-2,3-DIHYDRO-2-FURYLACETATES
Shurov, S. N.,Pavlova, E. Yu.,Livantsova, L. I.,Zaitseva, G. S.,Andreichikov, Yu. S.
, p. 1890 - 1901 (2007/10/02)
Depending on the nature of the substituent in the benzene ring, in the crystalline state the products from the reaction of 5-aryl-2,3-dihydro-2,3-furandiones with ketene acetals exist in the form of either alkyl 5-aryl-2-hydroxy-3-oxo-2,3-dihydro-2-furyla