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- W2078804501 abstract "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-arylbenzo[b]-thiophene-6-carboxylic acids 4a – d. The structure of the latter is confirmed by an independent synthesis. Synthese von Enol-Lactonen von 3-Aroyl-2-(thienylmethylen)propionsäuren und deren Überführung in die entsprechenden 4-Arylbenzo[b]thiophen-6-carbonsäuren Heterocyclische Aldehyde wie 2-Thiophencarbaldehyd (1) kondensieren mit 3-Aroylpropionsäuren 2 oder deren Na-Salzen zu den Enol-Lactonen 3a – d der 3-Aroyl-2-(2-thienylmethylen)propionsäuren. Isomerisierung von 3a – d führt zu den entsprechenden 4-Arylbenzo[b]thiophen-6-carbonsäuren 4a – d, deren Struktur durch unabhängige Synthese bestätigt wurde." @default.
- W2078804501 created "2016-06-24" @default.
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- W2078804501 date "1986-06-12" @default.
- W2078804501 modified "2023-09-27" @default.
- W2078804501 title "Synthesis of Enol Lactones of 3-aroyl-2-(Thienylmethylene)-propionic Acids and their Conversion into the Corresponding 4-arylbenzo[b]thiophene-6-carboxylic Acids" @default.
- W2078804501 cites W2014239427 @default.
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