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inquiry2,3-Pentanedione,4,5-dihydroxy-Appearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Air,B
3-(1,2-dihydroxy-ethyl)-but-3-en-2-one
4,5-dihydroxy-2,3-pentanedione
Conditions | Yield |
---|---|
Stage #1: 3-(1,2-dihydroxy-ethyl)-but-3-en-2-one With ozone In d(4)-methanol at -78℃; for 0.5h; Stage #2: With dimethylsulfide In methanol at 20℃; for 16h; |
3-[2-(tert-butyl-dimethyl-silanyloxy)-1-hydroxy-ethyl]-but-3-en-2-one
4,5-dihydroxy-2,3-pentanedione
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 78 percent / TBAF / tetrahydrofuran / 20 °C 2.1: O3 / tetradeuteriomethanol / 0.5 h / -78 °C 2.2: Me2S / methanol / 16 h / 20 °C View Scheme |
3-diazo-4,5-dihydroxypentan-2-one
C
4,5-dihydroxy-2,3-pentanedione
Conditions | Yield |
---|---|
With 3,3-dimethyldioxirane In acetone at 20℃; Inert atmosphere; |
3-diazo-4,5-dihydroxypentan-2-one
4,5-dihydroxy-2,3-pentanedione
Conditions | Yield |
---|---|
With 3,3-dimethyldioxirane In acetone at 20℃; | |
With 3,3-dimethyldioxirane In acetone at 20℃; Product distribution / selectivity; |
rac-1-[(tert-butyldimethylsilyl)oxy]pent-3-yn-2-ol
4,5-dihydroxy-2,3-pentanedione
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: Dowex50WX8 100–200 mesh / methanol / 20 °C 2: toluene-4-sulfonic acid / 20 °C 3: sodium periodate; ruthenium (IV) oxide monohydrate; water / chloroform; acetonitrile / 20 °C 4: Dowex 50WX8 resin / water / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 1 h 2.1: ozone / acetone; dichloromethane / 0.08 h / -78 °C / Darkness; Inert atmosphere 2.2: -78 °C View Scheme |
pent-3-yne-1,2-diol
4,5-dihydroxy-2,3-pentanedione
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: toluene-4-sulfonic acid / 20 °C 2: sodium periodate; ruthenium (IV) oxide monohydrate; water / chloroform; acetonitrile / 20 °C 3: Dowex 50WX8 resin / water / 20 °C View Scheme | |
Stage #1: pent-3-yne-1,2-diol With ozone In dichloromethane; acetone at -78℃; for 0.0833333h; Darkness; Inert atmosphere; Stage #2: With triphenylphosphine at -78℃; | 39 mg |
4,5-dihydroxy-2,3-pentanedione
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium periodate; ruthenium (IV) oxide monohydrate; water / chloroform; acetonitrile / 20 °C 2: Dowex 50WX8 resin / water / 20 °C View Scheme |
4,5-dihydroxy-2,3-pentanedione
Conditions | Yield |
---|---|
With Dowex 50WX8 resin In water at 20℃; |
4,5-dihydroxy-2,3-pentanedione
Conditions | Yield |
---|---|
With S-ribosylhomocysteine; EC: 4.4.1.21 Enzymatic reaction; |
1,2-diamino-benzene
4,5-dihydroxy-2,3-pentanedione
2-(1',2'-dihydroxyethyl)-3-methyl quinoxaline
Conditions | Yield |
---|---|
100% | |
at 20℃; for 0.166667h; Inert atmosphere; | |
In water-d2 at 20℃; | |
In chloroform-d1 for 0.75h; | 76 mg |
Conditions | Yield |
---|---|
In water-d2 |
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