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

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

6synthesis methods

Product Name:4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester
CAS Number:1821-20-1
Molecular formula:C12H10O5
Molecular Weight:234.2

50-78-2 Synthesis

50-78-2
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4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester

1821-20-1
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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]

Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-

1000210-73-0
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1821-20-1
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References

(2,5-Dioxopyrrolidin-1-yl)-2-acetoxybenzene

84388-73-8
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1821-20-1
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References

5256-74-6
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90-02-8 Synthesis

90-02-8
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$9.00/1g

1821-20-1
8 suppliers
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References

1000210-73-0
0 suppliers
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1821-20-1
8 suppliers
inquiry

References

4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester Related Search:

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

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