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470-29-1

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Basic Information
CAS No.: 470-29-1
Name: 2,4-DIHYDROXY-3,3-DIMETHYLBUTANOIC ACID
Article Data: 11
Molecular Structure:
Molecular Structure of 470-29-1 (2,4-DIHYDROXY-3,3-DIMETHYLBUTANOIC ACID)
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
Related products
Synthetic route

DL-pantolactone

A

D-(-)-pantolactone

B

470-29-1

(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid

Conditions
ConditionsYield
With sodium hydroxide In (2S)-N-methyl-1-phenylpropan-2-amine hydrate; waterA 82%
B n/a
597-31-9

2,2-dimethyl-3-hydroxypropionaldehyde

74-90-8

hydrogen cyanide

470-29-1

(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid

Conditions
ConditionsYield
das α-Oxy-β.β-dimethyl-butyrolaceton entsteht durch Verseifung des entstandenen Oxynitrils mit Salzsaeure;
α-oxy-β.β-dimethyl-butyrolactone

α-oxy-β.β-dimethyl-butyrolactone

470-29-1

(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid

Conditions
ConditionsYield
With -base Die Salze entstehen;
DL-α-hydroxy-β.β-dimethyl-γ-butyrolactone

DL-α-hydroxy-β.β-dimethyl-γ-butyrolactone

470-29-1

(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid

Conditions
ConditionsYield
With sodium hydroxide das Natriumsalz entsteht;
With barium dihydroxide das Bariumsalz entsteht;
74-90-8

hydrogen cyanide

sodium bisulfite- compound of β-oxy-α,α-dimethyl-propionaldehyde

sodium bisulfite- compound of β-oxy-α,α-dimethyl-propionaldehyde

470-29-1

(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid

Conditions
ConditionsYield
das α-Oxy-β.β-dimethyl-butyrolaceton entsteht durch Verseifung des entstandenen Oxynitrils mit Salzsaeure;
79-50-5

pantolactone

470-29-1

(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid

Conditions
ConditionsYield
With water; sodium hydroxide In water at 30℃; pH=6.7 - 6.9; Enzymatic reaction;
78-84-2

isobutyraldehyde

298-12-4

Glyoxilic acid

470-29-1

(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid

Conditions
ConditionsYield
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-dimethylbutanoic acid ethyl ester

470-29-1

(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid

Conditions
ConditionsYield
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
470-29-1

(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid

79-50-5

pantolactone

Conditions
ConditionsYield
With sulfuric acid at 80 - 85℃; for 3h; Temperature;98.3%
5303-65-1

3-aminobutanoic acid ethyl ester

470-29-1

(+-)-2,4-dihydroxy-3,3-dimethyl-butyric acid

(+/-)-3-pantoylamino-butyric acid

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