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CAS No.: | 62396-98-9 |
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Name: | α-Oxo-1,3-benzodioxole-5-acetic Acid |
Article Data: | 20 |
Molecular Structure: | |
Formula: | C9H6O5 |
Molecular Weight: | 194.144 |
Synonyms: | Benzo[1,3]dioxol-5-yl-glyoxylsaeure;Alpha-Oxo-1,3-benzodioxole-5-acetic Acid;benzo[1,3]dioxol-5-yl-glyoxylic acid;α-Oxo-1,3-benzodioxole-5-acetic Acid; |
Density: | 1.531±0.06 g/cm3(Predicted) |
Boiling Point: | 366.2±42.0 °C(Predicted) |
PSA: | 72.83000 |
LogP: | 0.68260 |
benzo[1,3]dioxol-5-ylglyoxylic acid ethyl ester
benzo[1,3]dioxol-5-yl-oxo-acetic acid
Conditions | Yield |
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Stage #1: benzo[1,3]dioxol-5-ylglyoxylic acid ethyl ester With methanol; sodium hydroxide at 0℃; for 2h; Stage #2: In water pH=~ 3 - 4; | 70% |
With water; lithium hydroxide In tetrahydrofuran at 20℃; for 3h; Inert atmosphere; | 32% |
With water; sodium hydroxide In tetrahydrofuran for 6h; Reflux; | |
With sodium hydroxide In water at 0 - 20℃; for 6h; |
1-(benzo[d][1,3]dioxol-6-yl)ethanone
benzo[1,3]dioxol-5-yl-oxo-acetic acid
Conditions | Yield |
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With pyridine; selenium(IV) oxide at 90 - 110℃; for 4h; Inert atmosphere; | 39% |
With potassium permanganate | |
With pyridine; selenium(IV) oxide |
benzo[1,3]dioxol-5-yl-oxo-acetic acid
Conditions | Yield |
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With sodium hydroxide |
Conditions | Yield |
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With potassium permanganate; water |
1-(benzo[d][1,3]dioxol-6-yl)ethanone
benzo[1,3]dioxol-5-yl-oxo-acetic acid
2-(3,4-dioxymethylenephenyl)propionaldehyde
benzo[1,3]dioxol-5-yl-oxo-acetic acid
Conditions | Yield |
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in der Kaelte; |
1-(benzo[d][1,3]dioxol-6-yl)ethanone
A
Piperonylic acid
B
benzo[1,3]dioxol-5-yl-oxo-acetic acid
3,4-(methylenedioxy)benzoyl chloride
benzo[1,3]dioxol-5-yl-oxo-acetic acid
Conditions | Yield |
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Multi-step reaction with 2 steps 1: 90 °C / Durchleiten von Wasserdampf durch das in Chloroform und Benzol geloeste Reaktionsprodukt 2: NaOH-solution View Scheme |