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Cas Database |
| Name |
2,6-Pyrazinedicarboxylicacidv |
EINECS | N/A |
| CAS No. | 940-07-8 | Density | 1.665±0.06 g/cm3 (20 oC 760 Torr), Calc.* |
| PSA | 100.38000 | LogP | -0.12700 |
| Solubility | Freely soluble (639 g/L) (25 oC), Calc.* | Melting Point |
225 oC** |
| Formula | C6H4 N2 O4 | Boiling Point | 491.3±45.0 °C(Predicted) |
| Molecular Weight | 168.109 | Flash Point | N/A |
| Transport Information | N/A | Appearance | N/A |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
AKOS 90649;PYRAZINE-2,6-DICARBOXYLIC ACID;2,6-Pyrazinedicarboxylic acid |
Article Data | 9 |
2,6-Pyrazinedicarboxylicacidv Synthetic route
- 35042-26-3
dimethyl pyrazine-2,6-dicarboxylate
- 940-07-8
pyrazine-2,6-dicarboxylic acid
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: dimethyl pyrazine-2,6-dicarboxylate With sodium hydroxide In tetrahydrofuran; water for 1h; Stage #2: With hydrogenchloride In tetrahydrofuran; water | 100% |
- 70911-23-8
pyrazine-2,6-dicarbonitrile
- 940-07-8
pyrazine-2,6-dicarboxylic acid
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide |
- 23046-95-9
2,3,5-pyrazine-tricarboxylic acid
A
- 940-07-8
pyrazine-2,6-dicarboxylic acid
B
- 122-05-4
2,5-pyrazinedicarboxylic acid
Conditions
| Conditions | Yield |
|---|---|
| With water |
- 23046-95-9
2,3,5-pyrazine-tricarboxylic acid
A
- 940-07-8
pyrazine-2,6-dicarboxylic acid
B
- 103150-78-3
diethyl pyrazine-2,5-dicarboxylate
Conditions
| Conditions | Yield |
|---|---|
| With water | |
| With acetic acid |
- 23611-75-8
6-chloro-pyrazine-2-carboxylic acid methyl ester
- 940-07-8
pyrazine-2,6-dicarboxylic acid
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h 1.2: 20 h / Reflux 2.1: lithium carbonate / 0.5 h 2.2: 3 h / 0 °C 3.1: sodium hydroxide / water; tetrahydrofuran / 1 h View Scheme |
- 940-07-8
pyrazine-2,6-dicarboxylic acid
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1.1: lithium carbonate / 0.5 h 1.2: 3 h / 0 °C 2.1: sodium hydroxide / water; tetrahydrofuran / 1 h View Scheme |
Conditions
| Conditions | Yield |
|---|---|
| In water suspn. Eu2O3 and ligand in water was heated at 80°C for 1 h, Cs2CO3 was added to pH 6.0, allowed to cool to room temp.; soln. was filtered and evapd. to dryness in vacuo, residue was recrystd.rom hot MeOH; elem. anal.; | 88% |
Conditions
| Conditions | Yield |
|---|---|
| In water High Pressure; mixt. of Cu(OAc)2*2H2O (0.1 mmol), pyrazine-2,6-dicarboxylic acid (0.1 mmol), 2,2'-bipyridine (0.1 mmol) and H2O (5 ml) sealed in Teflon-lined stainless steel reactor (23 ml); heated (140°C, 144 h); cooled to room temp.; crystals washed with deionized H2O; dried in air; elem. anal.; | 78% |
Conditions
| Conditions | Yield |
|---|---|
| In water dropwise addn. of TiCl4 to a suspn. of the dicarboxylic acid in water with stirring, warming to 50°C for 5 min; filtn. after cooling, ppt. is washed, dried, elem. anal.; | 75% |
- 4916-57-8
1,2-bis(4'-pyridyl)ethane
- 940-07-8
pyrazine-2,6-dicarboxylic acid
- 7732-18-5
water
- 937021-46-0
[Cu2(pyrazine-2,6-dicarboxylic acid-2H)2(1,2-bis(4-pyridyl)-ethane)(H2O)2]
Conditions
| Conditions | Yield |
|---|---|
| With NaOH In water High Pressure; mixt. of Cu(OAc)2*2H2O (0.1 mmol), pyrazine-2,6-dicarboxylic acid (0.1 mmol), 1,2-bis(4-pyridyl)ethane (0.1 mmol), H2O (8 ml) and 0.65 M NaOH (0.15 ml) sealed in Teflon-lined stainless steel reactor (23 ml); heated (100°C, 96 h); cooled to room temp.; crystals washed with deionized H2O; dried in air; elem. anal.; | 73% |
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PYRAZINE-2,6-DICARBOXYLIC ACID
