100046-90-0Relevant articles and documents
Synthesis of Enol Lactones of 3-Aroyl-2-(thienylmethylene)-propionic Acids and their Conversion into the Corresponding 4-Arylbenzothiophene-6-carboxylic Acids
Guirguis, Nadia R.,Awad, Boshra M.,Saad, Hanaa A.
, p. 1003 - 1011 (2007/10/02)
Heterocyclic aldehydes such as 2-thiophenecarbaldehyde (1) condense with 3-aroylpropionic acids 2 or their sodium salts to give the enol lactones 3a-d of 3-aroyl-2-(2-thienylmethylene)propionic acids.Isomerization of 3a-d leads to the corresponding 4-aryl
