2,6-Pyrazinedicarboxylicacidv supplier

: 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

: C9H6N4O2

: 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

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: europium(III) oxide

: 534-17-8
caesium carbonate

: Cs3[Eu(pyrazine-2,6-dicarboxylate)3]*7H2O

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%

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: 366-18-7
[2,2]bipyridinyl

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: copper(II) acetate dihydrate

: 7732-18-5
water

: [Cu(pyrazine-2,6-dicarboxylic acid-2H)(2,2'-bipyridine)(H2O)]*2.5H2O

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%

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: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 7550-45-0
titanium tetrachloride

: {TiO(pyrazine-2,6-dicarboxylate)(H2O)2}n

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

: copper(II) acetate dihydrate

: 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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: 66-71-7
1,10-Phenanthroline

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 5970-45-6
zinc(II) acetate dihydrate

: 935730-72-6
[Zn(pyrazine-2,6-dicarboxylate)(1,10-phenanthroline)H2O]2

Conditions

Conditions	Yield
In water High Pressure; mixt. of Zn(OAc)2*2H2O, C4N2H2(COOH)2, phen, and water heated at 140°C for 96 h; cooling to room temp., washing with water, drying in air; elem. anal.;	72%

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: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 34843-18-0
aquapentaammineruthenium(II) hexafluorophosphate

: sodium perchlorate

: Ru(NH3)5(C4H2N2(COOH)2)(3+)*3ClO4(1-)*H2O=Ru(NH3)5(C4H2N2(COOH)2)(ClO4)3*H2O

Conditions

Conditions	Yield
With perchloric acid; dihydrogen peroxide In not given complex added to ligand soln. at pH 4 under Ar at 20°C, HClO4 soln. and NaClO4 added, H2O2 soln. added; cooled to 5°C, filtered, crystals washed with EtOH and ether;	70%

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: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 3153-26-2
bis(acetylacetonate)oxovanadium

: {VO(pyrazine-2,6-dicarboxylate)(H2O)2}*2H2O

Conditions

Conditions	Yield
In acetone addn. of VO(acac)2 to a soln. of the dicarboxylic acid in acetone at 40°C; filtn. at 2°C after 15 min., ppt. is washed, dried, elem. anal.;	69%

: trisodium hexanitrocobaltate(III)

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: (PPh4){Co(pyrazine-2,6-dicarboxylate)2}

Conditions

Conditions	Yield
With H2O2; tetraphenylphosphonium chloride In water addn. of the Co-complex to a soln. of the dicarboxylic acid in water obtained 2 drops H2O2, soln. is warmed to 70°C for 20 min, addn. of drops H2O2 and the phosphonium-salt, cooled to 2°C; filtn., elem. anal.;	68%

: 366-18-7
[2,2]bipyridinyl

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 5970-45-6
zinc(II) acetate dihydrate

: [Zn(pyrazine-2,6-dicarboxylate)(2,2'-bipiridine)H2O]*0.5H2O

Conditions

Conditions	Yield
In water High Pressure; mixt. of Zn(OAc)2*2H2O, C4N2H2(COOH)2, 2,2'-bipyridine, and water heatedat 140°C for 96 h; cooling to room temp., washing with water, drying in air; elem. anal.;	68%

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: 66-71-7
1,10-Phenanthroline

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: copper(II) acetate dihydrate

: 7732-18-5
water

: 937021-44-8
[Cu(pyrazine-2,6-dicarboxylic acid-2H)(1,10-phenanthroline)(H2O)]*H2O

Conditions

Conditions	Yield
In water High Pressure; mixt. of Cu(OAc)2*2H2O (0.1 mmol), pyrazine-2,6-dicarboxylic acid (0.1 mmol), 1,10-phenanthroline (0.1 mmol) and H2O (5 ml) sealed in Teflon-lined stainless steel reactor (23 ml); heated (140°C, 96 h); cooled to room temp.; crystals washed with deionized H2O; dried in air; elem. anal.;	67%

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: 940-07-8
pyrazine-2,6-dicarboxylic acid

: uranyl nirate hexahydrate

: 1024736-44-4
{uranyl(pyrazine-2,6-dicarboxylate)(H2O)}

Conditions

Conditions	Yield
In water 50°C; filtn., ppt. is washed, dried, elem. anal.;	66%

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 34843-18-0
aquapentaammineruthenium(II) hexafluorophosphate

: sodium perchlorate

: 91687-31-9
[Ru(NH3)5(pyrazine-2,6-dicarboxylic acid)](ClO4)2*1.5H2O

Conditions

Conditions	Yield
With perchloric acid In not given complex added to ligand soln. at pH 4 under Ar at 20°C, HClO4 soln. and NaClO4 added, kept for 1 h at 5°C; filtered;	65%

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: iron(III) chloride hexahydrate

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: (NH4){Fe(pyrazine-2,6-dicarboxylate)2}*4H2O

Conditions

Conditions	Yield
With NH4Cl In water 20°C, filtn., addn. of NH4Cl to the filtrate, cooling to 2°C; filtn., ppt. is washed (ethanol, ether), air-dried, elem. anal.;	62%

: 4916-57-8
1,2-bis(4'-pyridyl)ethane

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 5970-45-6
zinc(II) acetate dihydrate

: [(Zn(pyrazine-2,6-dicarboxylate)(H2O)2)2(μ-1,2-bis(4-pyridyl)ethane]*1.75H2O

Conditions

Conditions	Yield
In water High Pressure; mixt. of Zn(OAc)2*2H2O, C4N2H2(COOH)2, 1,2-bis(4-pyridyl)ethane, and water heated at 140°C for 96 h; cooling to room temp., washing with water, drying in air; elem. anal.;	59%

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: 940-07-8
pyrazine-2,6-dicarboxylic acid

: europium(III) oxide

: 7732-18-5
water

: copper(II) oxide

: [EuCu(pyrazine-2,6-dicarboxylate)3][Eu(water)9]0.5[H(water)7]0.5

Conditions

Conditions	Yield
In water; isopropyl alcohol High Pressure; heating mixture of europium compd., copper compd., pyrazine deriv., water and isopropanol at 180°C for 96 h; elem. anal.;	57.8%

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: 940-07-8
pyrazine-2,6-dicarboxylic acid

: neodymium(III) oxide

: 7732-18-5
water

: [Nd2(pyrazine-2,6-dicarboxylic acid(-2H))3(H2O)2]*2.5H2O

Conditions

Conditions	Yield
With 4,4'-bpy*2H2O In water; isopropyl alcohol High Pressure; Nd2O3, 3 equiv. organic ligand, 2 equiv. 4,4'-bpy, water and isopropanolsealed in autoclave; heated at 180°C for 5 days; cooled slowly t o room temp.; elem. anal.;	45%

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: gadolinium(III) oxide

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 7732-18-5
water

: copper(II) oxide

: [GdCu(pyrazine-2,6-dicarboxylate)3][Gd(water)9]0.5[H(water)7]0.5

Conditions

Conditions	Yield
In water; isopropyl alcohol High Pressure; heating mixture of gadolinium compd., copper compd., pyrazine deriv., water and isopropanol at 180°C for 96 h; elem. anal.;	44.6%

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: 940-07-8
pyrazine-2,6-dicarboxylic acid

: europium(III) oxide

: 7732-18-5
water

: [Eu2(pyrazine-2,6-dicarboxylic acid(-2H))3(H2O)2]*2.5H2O

Conditions

Conditions	Yield
With 4,4'-bpy*2H2O In ethanol; water High Pressure; Nd2O3, 3 equiv. organic ligand, 2 equiv. 4,4'-bpy, water and ethanol sealed in autoclave; heated at 180°C for 5 days; cooled slowly to room temp.; elem. anal.;	43%

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: lanthanum(III) oxide

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 7732-18-5
water

: copper(II) oxide

: [LaCu(pyrazine-2,6-dicarboxylate)3][La(water)9]0.5[H(water)7]0.5

Conditions

Conditions	Yield
In water; isopropyl alcohol High Pressure; heating mixture of lanthanum compd., copper compd., pyrazine deriv., water and isopropanol at 180°C for 96 h; elem. anal.;	42.6%

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: 366-18-7
[2,2]bipyridinyl

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 7732-18-5
water

: 6147-53-1
cobalt(II) diacetate tetrahydrate

: [Co(pyrazine-2,6-dicarboxylic acid(-2H))(2,2'-bipyridine)(H2O)]*0.5H2O

Conditions

Conditions	Yield
In water; isopropyl alcohol High Pressure; equimolar organic ligands and Co-compound put into water and iPrOH; sealed into autoclave; heated at 140°C for 4 days; cooled slowly to room temp.; filtered; allowed to stand for 4 weeks at room temp.; elem. anal.;	39%

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: 67-56-1
methanol

: 4916-57-8
1,2-bis(4'-pyridyl)ethane

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 7732-18-5
water

: 6147-53-1
cobalt(II) diacetate tetrahydrate

: [Co2(pyrazine-2,6-dicarboxylic acid(-2H))2(1,2-bis(4-pyridyl)ethane)(H2O)4]*0.5CH3OH*H2O

Conditions

Conditions	Yield
With NaOH In methanol; water High Pressure; equimolar organic ligands, NaOH and Co-compound put into water and MeOH;sealed into autoclave; heated at 100°C for 4 days; cooled slowly to room temp.; filtered; allowed to stand for 2 months at room temp.; elem. anal.;	37%

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: 4916-57-8
1,2-bis(4'-pyridyl)ethane

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 7732-18-5
water

: 6147-53-1
cobalt(II) diacetate tetrahydrate

: [Co(pyrazine-2,6-dicarboxylic acid(-2H))(1,2-bis(4-pyridyl)ethane)]*0.125(1,2-bis(4-pyridyl)ethane)*1.75H2O

Conditions

Conditions	Yield
With NaOH In water High Pressure; equimolar organic ligands, aq. NaOH and Co-compound put into water; sealed into autoclave; heated at 100°C for 4 days; cooled slowly to room temp.; filtered; allowed to stand for 2 months at room temp.; elem. anal.;	31%

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: 940-07-8
pyrazine-2,6-dicarboxylic acid

: hexakis(urea)titanium(III) perchlorate

: Ti(3+)*C4H2N2(CO2)2(2-)*C4H2N2(CO2)(CO2H)(1-)*6H2O = H{Ti(C4H2N2(COO)2)2}*6H2O

Conditions

Conditions	Yield
In water addn. of the Ti complex to a soln. of the dicarboxylic acid in water under Ar; filtn., ppt. is washed, dried, elem. anal.;	30%

: copper(ll) sulfate pentahydrate

: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 7732-18-5
water

: 1185291-78-4
4,4'-bipyridine dihydrate

: 937021-45-9
[Cu(pyrazine-2,6-dicarboxylic acid-2H)(4,4'-bipyridine)]*H2O

Conditions

Conditions	Yield
With NaOH In water High Pressure; mixt. of CuSO4*5H2O (0.15 mmol), pyrazine-2,6-dicarboxylic acid (0.1 mmol), 4,4'-bipyridine hydrate (0.15 mmol), H2O (8 ml) and 0.65 M NaOH (0.3ml) sealed in Teflon-lined stainless steel reactor (23 ml); heated (140 °C, 96 h); cooled (10°C/3 h) to 100°C and then to room temp.; crystals washed with deionized H2O; dried in air; elem. anal.;	27%

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: 940-07-8
pyrazine-2,6-dicarboxylic acid

: 128545-04-0
manganese(II) carbonate monohydrate

: 7732-18-5
water

: [Mn(pyrazine-2,6-dicarboxylic acid(-2H))(H2O)1.5]

Conditions

Conditions	Yield
With Yb(NO3)3*6H2O; NaOH In water High Pressure; organic ligands, Yb-compound, a drop of NaOH and Mn-compound put into water; sealed into autoclave; heated at 160°C for 96 h; cooled slowly to room temp.; washed with deionized water; dried in air; elem. anal.;	26%

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