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CAS No.: | 470-29-1 |
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Name: | 2,4-DIHYDROXY-3,3-DIMETHYLBUTANOIC ACID |
Article Data: | 11 |
Molecular Structure: | |
Formula: | C6H12 O4 |
Molecular Weight: | 148.159 |
Synonyms: | Butyricacid, 2,4-dihydroxy-3,3-dimethyl- (6CI,7CI,8CI); Butyric acid, a,g-dihydroxy-b,b-dimethyl- (4CI); (RS)-Pantoic acid; 2,4-Dihydroxy-2,3-dimethylbutyricacid |
Density: | 1.259g/cm3 |
Melting Point: | 124 °C |
Boiling Point: | 368.7°Cat760mmHg |
Flash Point: | 191°C |
PSA: | 77.76000 |
LogP: | -0.54960 |
Conditions | Yield |
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With sodium hydroxide In (2S)-N-methyl-1-phenylpropan-2-amine hydrate; water | A 82% B n/a |
2,2-dimethyl-3-hydroxypropionaldehyde
hydrogen cyanide
(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid
Conditions | Yield |
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das α-Oxy-β.β-dimethyl-butyrolaceton entsteht durch Verseifung des entstandenen Oxynitrils mit Salzsaeure; |
(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid
Conditions | Yield |
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With -base Die Salze entstehen; |
(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid
Conditions | Yield |
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With sodium hydroxide das Natriumsalz entsteht; | |
With barium dihydroxide das Bariumsalz entsteht; |
Conditions | Yield |
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das α-Oxy-β.β-dimethyl-butyrolaceton entsteht durch Verseifung des entstandenen Oxynitrils mit Salzsaeure; |
Conditions | Yield |
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With water; sodium hydroxide In water at 30℃; pH=6.7 - 6.9; Enzymatic reaction; |
Conditions | Yield |
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Stage #1: isobutyraldehyde; Glyoxilic acid With triethylamine at 20 - 30℃; for 3h; Stage #2: With 5%-palladium/activated carbon; hydrogen In 1,2-dichloro-ethane at 20 - 25℃; for 4h; Reagent/catalyst; Temperature; Solvent; Autoclave; |
(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid
Conditions | Yield |
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Stage #1: 2,4-dihydroxy-3,3-dimethylbutanoic acid ethyl ester With water; sodium hydroxide at 100℃; for 1h; Green chemistry; Stage #2: With hydrogenchloride In water pH=3 - 4; Temperature; Green chemistry; | 8.1 g |
Conditions | Yield |
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With sulfuric acid at 80 - 85℃; for 3h; Temperature; | 98.3% |