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Conditions | Yield |
---|---|
With water |
Conditions | Yield |
---|---|
With water |
Conditions | Yield |
---|---|
at 100℃; |
Conditions | Yield |
---|---|
In water soln. of ammonia and oxalic acid in H2O slowly evapd. at room temp. overabout 15-20 d; |
Conditions | Yield |
---|---|
In water neutralizing aq. oxalic acid soln. with (NH4)2CO3; evapn.; | |
In water neutralizing aq. oxalic acid soln. with (NH4)2CO3; evapn.; |
Conditions | Yield |
---|---|
With acetone In water mixt. of acetone and 3 % aq. HCN soln.; by light; | |
With acetone In water mixt. of acetone and 3 % aq. HCN soln.; by light; |
ammonium sulfide
B
ammonium oxalate monohydrate
Conditions | Yield |
---|---|
In water by standing of aq. soln. of educt; | |
In water by standing of aq. soln. of educt; |
Conditions | Yield |
---|---|
In water neutralizing aq. oxalic acid soln. with NH3; evapn.; | |
In water neutralizing aq. oxalic acid soln. with NH3; evapn.; |
Conditions | Yield |
---|---|
In water with freshly pptd. Pb oxalate; | |
In water with freshly pptd. Pb oxalate; |
water
ammonium oxalate monohydrate
nickel(II) oxalate dihydrate
Conditions | Yield |
---|---|
In water (NH4)2C2O4*H2O (48.87 g) added to 5.0 M Ni(NO3)2 (20 ml) (70-90°C); dispersed with deionized H2O; filtered; washed; dehydrated with anhyd. ethanol; dried (80-90°C); SEM; | 99.76% |
Conditions | Yield |
---|---|
In water Ni(NO3)2 soln. added to supersatd. (NH4)2C2O4; SEM; | 97.98% |
ammonium oxalate monohydrate
Conditions | Yield |
---|---|
In water 2 equiv. of NH4-oxalate soln. was added to aq. soln. of metal-complex; crystals were filtered, washed with EtOH, Et2O, dried in vac., elem. anal.; | 95% |
bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]
ammonium oxalate monohydrate
[Cp*2Ir2(μ-η4-C2O4)]Cl2
Conditions | Yield |
---|---|
In methanol; chloroform under N2 atm. (NH4)2C2O4*H2O was added to suspn. Ir complex in CHCl3-MeOH and stirred at 55°C for 5 h; solvent was evapd. to dryness in vacuo, residue was extd. with CH2Cl2; elem. anal.; | 91% |
In methanol (N2); std. Schlenk technique; oxalate was added to suspn. of Ir complex in MeOH; stirred at 55°C for 5 h; evapd. (vac.); extd. (CH2Cl2); elem. anal.; | 91% |
[ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2
ammonium oxalate monohydrate
[(p-cymene)2Ru2(μ-η4-C2O4)]Cl2
Conditions | Yield |
---|---|
In methanol; chloroform (N2); reflux (6 h); removal of solvents, taken up in CH2Cl2, filtration, evapn. to dryness; elem. anal.; | 89% |
ammonium oxalate monohydrate
[(η5-pentamethylcyclopentadienyl)2Rh2(μ-oxalato-κO)Cl2]
Conditions | Yield |
---|---|
In methanol; chloroform byproducts: ammonium chloride; (NH4)2C2O4*H2O added to CHCl3-MeOH soln. of Rh complex; refluxed for 6 h; solvent removed under vac.; dissolved in CH2Cl2; filtered; filtrate evapd. to dryness; elem. anal.; | 88% |
ammonium oxalate monohydrate
Conditions | Yield |
---|---|
In water satd. aq. soln. of NH4-oxalate was added to aq. soln. of metal-complex; crystals were filtered, washed with EtOH, Et2O, dried in vac., elem. anal.; | 86% |
ammonium oxalate monohydrate
[Cp*2Rh2(μ-η2-η2-C2O4)]Cl2
Conditions | Yield |
---|---|
In methanol; chloroform under N2 atm. (NH4)2C2O4*H2O was added to suspn. Rh complex in CHCl3-MeOH and stirred at 55°C for 5 h; solvent was evapd. to dryness in vacuo, residue was extd. with CH2Cl2; elem. anal.; | 86% |
[ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2
ammonium oxalate monohydrate
Conditions | Yield |
---|---|
With AgSO4 In water (N2); addn. of AgSO4 to the Ru complex in H2O, stirring (room temp., 3 h), filtration, addn. of (NH4)2C2O4*H2O, adjustment ot pH to 7-8, heatingto 70°C (1-2 h); evapn. to dryness, addn. of CH2Cl2, filtration, evapn., recrystn. (MeOH/Et2O); elem. anal.; | 84% |
dihydrogen peroxide
oxalic acid dihydrate
ammonium oxalate monohydrate
Conditions | Yield |
---|---|
In water ammonium heptamolybdate tetrahydrate dissolved in soln. of oxalic acid and ammonium oxalate, treated with excess of soln. of H2O2 (35 wt,-%), stirred for 2 h; EtOH added, ppt. filtered off, washed with EtOH and air-dried; elem. anal.; | 84% |
bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]
ammonium oxalate monohydrate
[(η5-C5Me5)IrCl(μ-η2-η2-oxalato)ClIr(η5-C5Me5)]
Conditions | Yield |
---|---|
In methanol; chloroform byproducts: ammonium chloride; (NH4)2C2O4*H2O added to CHCl3-MeOH soln. of Ir complex; refluxed for 6 h; solvent removed under vac.; dissolved in CH2Cl2; filtered; filtrate evapd. to dryness; elem. anal.; | 81% |
[Co(tris(2-aminoethyl)amine)Cl2]Cl
ammonium oxalate monohydrate
Conditions | Yield |
---|---|
In water slow addition of soln. of oxalate to soln. of Co complex, heating (10 min), addn. of NaClO4; filtration, pptn. (2 weeks); elem. anal.; | 77% |
Conditions | Yield |
---|---|
In water warm aq. soln. of (NH4)2ox (11 mmol) added to aq. soln. of Co compd. (10mmol) at 60°C, stirred for 30 min; pptd. on storage overnight, ppt. filtered off, washed (H2O, EtOH, ether), elem. anal.; | 73% |
N-(1H-pyrrol-2-ylmethylene)-2-(pyridin-2-yl)ethanamine
ammonium oxalate monohydrate
[Cu2(N-(1H-pyrrol-2-ylmethylene)-2-pyridine-ethaneamine)2(oxalate)]
Conditions | Yield |
---|---|
With Et3N In methanol; water MeOH soln. of Et3N (0.3 mmol) added to meOH soln. of ligand (0.3 mmol), soln. added to meOH soln. of Cu compd. (0.3 mmol), aq. ammonium oxalate (0.15 mmol) added, mixt. stirred for 6 h; ppt. filtered off, washed (MeOH), dried (vac.), elem. anal.; | 71% |
Conditions | Yield |
---|---|
With Et3N In water High Pressure; mixt. of La2O3, (NH4)2C2O4*H2O, C6H5O3N and H2O in molar ratio of 1:1:1:290 adjusted to pH of 4.5 (Et3N) at room temp.; treated in autoclave at 170°C for 5 d; cooled to room temp. at a rate of 5°C/h; elem. anal., detd. by XRD; | 68% |
Conditions | Yield |
---|---|
With Et3N In water High Pressure; mixt. of Dy2O3, (NH4)2C2O4*H2O, C6H5O3N and H2O in molar ratio of 1:1:1:290 adjusted to pH of 4.6 (Et3N) at room temp.; treated in autoclave at 180°C for 2 d; cooled to room temp. at a rate of 2°C/h; elem. anal., detd. by XRD; | 67% |
ammonium oxalate monohydrate
Conditions | Yield |
---|---|
In methanol under N2 atm.; (NH4)2C2O4*H2O added to soln. of Ir complex in MeOH, stirred at 55°C for 5 h; | 65% |
1h-benzotriazole-5-carboxylic acid
ammonium oxalate monohydrate
Conditions | Yield |
---|---|
In water; acetonitrile at 140℃; for 72h; Autoclave; | 56% |
Conditions | Yield |
---|---|
With Et3N In water High Pressure; mixt. of Tb2O3, (NH4)2C2O4*H2O, C6H5O3N and H2O in molar ratio of 1:1.5:1:290 adjusted to pH of 4.0 (Et3N) at room temp.; treated in autoclave at 170°C for 3 d; cooled to room temp. at a rate of 2.5°C/h; elem. anal., detd. by XRD; | 54% |
Conditions | Yield |
---|---|
With Et3N In water High Pressure; mixt. of Sm2O3, (NH4)2C2O4*H2O, C6H5O3N and H2O in molar ratio of 1:1.5:1:290 adjusted to pH of 4.0 (Et3N) at room temp.; treated in autoclave at 170°C for 3 d; cooled to room temp. at a rate of 2.5°C/h; elem. anal., detd. by XRD; | 52% |
1h-benzotriazole-5-carboxylic acid
ammonium oxalate monohydrate
Conditions | Yield |
---|---|
In water; acetonitrile at 140℃; for 72h; Autoclave; | 46% |
Conditions | Yield |
---|---|
With Et3N In water High Pressure; mixt. of Pr2O3, (NH4)2C2O4*H2O, C6H5O3N and H2O in molar ratio of 1:1:1:290 adjusted to pH of 4.5 (Et3N) at room temp.; treated in autoclave at 170°C for 5 d; cooled to room temp. at a rate of 5°C/h; elem. anal., detd. by XRD; | 42% |
Conditions | Yield |
---|---|
With Et3N In water High Pressure; mixt. of Er2O3, (NH4)2C2O4*H2O, C6H5O3N and H2O in molar ratio of 1:1:1:290 adjusted to pH of 4.6 (Et3N) at room temp.; treated in autoclave at 180°C for 2 d; cooled to room temp. at a rate of 2°C/h; elem. anal., detd. by XRD; | 41% |
Conditions | Yield |
---|---|
With Et3N In water High Pressure; mixt. of Gd2O3, (NH4)2C2O4*H2O, C6H5O3N and H2O in molar ratio of 1:1.5:1:290 adjusted to pH of 4.0 (Et3N) at room temp.; treated in autoclave at 170°C for 3 d; cooled to room temp. at a rate of 2.5°C/h; elem. anal., detd. by XRD; | 41% |
Conditions | Yield |
---|---|
With Et3N In water High Pressure; mixt. of Nd2O3, (NH4)2C2O4*H2O, C6H5O3N and H2O in molar ratio of 1:1:1:290 adjusted to pH of 4.5 (Et3N) at room temp.; treated in autoclave at 170°C for 5 d; cooled to room temp. at a rate of 5°C/h; elem. anal., detd. by XRD; | 41% |
Conditions | Yield |
---|---|
With HNO3 In sodium hydroxide; water aq. NaOH; High Pressure; dicarboxylic acid and (NH4)2C2O4 (1:2) in aq.NaOH mixed with aq. soln. of Er salt (2 equiv.), pH adjusted to 5 (HNO3), stirred for 8 min (air), heated in an autoclave at 160°C for 72 h; cooled to room temp. over 12 h, elem. anal.; | 36% |
Conditions | Yield |
---|---|
In water (NH4)2C2O4*H2O was added to aq. soln. FeCl3, gently warmed for 10 min, soln. was allowed to stand at room temp. for several days; crystals were filtered and washed with EtOH and Et2O; elem. anal.; | A n/a B 30% |
potassium permanganate
water
1,2-diaminoethane dihydrochloride
ammonium oxalate monohydrate
cobalt
Conditions | Yield |
---|---|
With CH3OH; air In methanol mixt. of Co powder, KMnO4, C2H4(NH2)2(HCl)2, (NH4)2C2O4*H2O and methanolheated at 50-60°C in air with stirring for 8 h; ppt. filtered off, washed with 2-propanol and dried under vac. at room temp.; recrystn. from H2O; elem. anal.; | 30% |
potassium permanganate
water
1,2-diaminoethane dihydrochloride
ammonium oxalate monohydrate
cobalt
Conditions | Yield |
---|---|
With CH3OH; air In N,N-dimethyl-formamide mixt. of Co powder, KMnO4, C2H4(NH2)2(HCl)2, (NH4)2C2O4*H2O and DMF/methanol (20/0.1) heated at 50-60°C in air with stirring for 8 h; ppt. filtered off, washed with 2-propanol and dried under vac. at room temp.; elem. anal.; | 27% |
dihydrogen peroxide
oxalic acid dihydrate
ammonium oxalate monohydrate
Conditions | Yield |
---|---|
In water ammonium heptamolybdate tetrahydrate dissolved in soln. of oxalic acid and ammonium oxalate, treated with soln. of H2O2 (35 wt.-%); EtOH added, stored at 5°C for 1 week, ppt. filtered off, washed with EtOH and air-dried ((NH4)2(MoO2(O2)(ox))*H2O), slow evapn. of filtrate yields (NH4)2(Mo2O2(O2)2(OH)2(ox)2); elem. anal.; | A 16% B n/a |
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