1973
DOI: 10.1002/chin.197319289
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ChemInform Abstract: SYNTH. VON 6‐ UND 7‐HALOGEN‐2‐(2‐THIENYL)‐CHROMENEN UND VERWANDTEN VERBINDUNGEN

Abstract: Die Ester (III) aus den 2′‐Hydroxyacetophenonen (I) und Thenoylchlorid (II) ergeben bei der Baker‐Venkataraman‐Umlagerung die 1,3‐Propandione (IV), die sich in saurem Medium zu den Chromonen (V) cyclodehydratisieren lassen.

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