- Chemical Name DL-Pantolactone
- CAS No. 79-50-5
- Contact Us Inquiry
Good factory exports good DL-Pantolactone 79-50-5
- Molecular Formula: C6H10O3
- Molecular Weight: 130.144
- Appearance/Colour: White needles.
- Melting Point: 74-78 °C(lit.)
- Boiling Point: 224.6 °C at 760 mmHg
- PKA: 13.12±0.40(Predicted)
- Flash Point: 99 °C
- PSA: 49.83000
- Density: 1.165 g/cm3
- LogP: -0.06970
DL-Pantolactone(Cas 79-50-5) Usage
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Synthesis Reference(s) |
Journal of the American Chemical Society, 79, p. 3545, 1957 DOI: 10.1021/ja01570a064 |
InChI:InChI=1/C6H10O3/c1-6(2)3-9-5(8)4(6)7/h4,7H,3H2,1-2H3
79-50-5 Relevant articles
Adsorption and stability of chiral modifiers based on 1-(1-naphthyl)-ethylamine for Pt catalysed heterogeneous asymmetric hydrogenations
Meemken, Fabian,Steiger, Titian,Holland, Mareike C.,Gilmour, Ryan,Hungerbühler, Konrad,Baiker, Alfons
, p. 705 - 715 (2015)
Synthetic chiral modifiers suitable for ...
Synthesis process of D-pantolactone as D-calcium pantothenate intermediate
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Paragraph 0020; 0022-0032, (2021/06/23)
The invention provides a synthesis proce...
Preparation method of DL-pantoic acid lactone
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Paragraph 0042; 0046-0048; 0052-0054; 0058-0064, (2021/02/06)
The invention discloses a preparation me...
Industrial kinetic resolution ofd,l-pantolactone by an immobilized whole-cell biocatalyst
Huang, Liu-Nv,Luo, Wen-Fang,Tang, Yi-Bin,Yang, Liu,Zhang, Qiu-Hua
, p. 30373 - 30376 (2021/10/20)
Immobilized whole-cells ofPichia pastori...
Synthesis method of chiral 2-hydroxy-1, 4-dicarbonyl compound and pantoic acid lactone
-
Paragraph 0073-0075, (2020/11/10)
The invention discloses a chiral 2-hydro...
79-50-5 Process route
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1373138-68-1
2(S)-hydroxy-3,3-dimethyl-4-oxo-butxyric acid ethyl ester
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79-50-5,599-04-2,5405-40-3,52126-90-6
(S)-pantolactone
| Conditions | Yield |
|---|---|
|
With
sodium tetrahydroborate;
In
ethanol;
at 0 ℃;
|
85%
|
-
-
(S)-methyl 2-hydroxy-3,3-dimethyl-4-oxobutanoate
-
-
79-50-5,599-04-2,5405-40-3,52126-90-6
(S)-pantolactone
| Conditions | Yield |
|---|---|
|
With
sodium tetrahydroborate;
In
ethanol;
at 0 ℃;
|
90%
|
79-50-5 Upstream products
-
13031-04-4
ketopantolactone
-
28227-35-2
(RS)-2-acetoxy-3,3-dimethyl-γ-butyrolactone
-
1902-01-8
DL-sodium pantoate
-
82118-78-3
(2S)-3,3-Dimethylbernsteinsaeure-4-methylester
79-50-5 Downstream products
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134734-33-1
O -(4-nitro-benzoyl)-L-pantolactone
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101776-81-2
N -phenethyl-L-pantamide
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20664-72-6
O -(toluene-4-sulfonyl)-L-pantolactone
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27979-04-0
(3aS )-1,3-dibenzyl-6c -((S )-4,4-dimethyl-2-oxo-(3ar ,6ac )-tetrahydro-furan-3-yloxy)-tetrahydro-furo[3,4-d ]imidazole-2,4-dione