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ChemicalBook CAS DataBase List 4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester
1821-20-1

4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester synthesis

6synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1.1: dicyclohexyl-carbodiimide / tetrahydrofuran / 0 °C / Inert atmosphere
2.1: sodium hydride / tetrahydrofuran; mineral oil / 1 h / 0 - 20 °C / Inert atmosphere
2.2: 2 h / 0 - 20 °C / Inert atmosphere
3.1: ethanol; sodium / 24 h / 20 °C

References:

Stefanou, Valentina;Matiadis, Dimitris;Melagraki, Georgia;Afantitis, Antreas;Athanasellis, Giorgos;Igglessi-Markopoulou, Olga;McKee, Vickie;Markopoulos, John [Molecules,2011,vol. 16,# 1,p. 384 - 402]

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