Conditions | Yield |
---|---|
In water | 98.75% |
In not given | 80% |
Conditions | Yield |
---|---|
In acetonitrile byproducts: H2; Electrolysis; electrolysis of AgClO4 in CH3CN, Pt anode, 200 mA, 5V;; cathodic deposition of Ag, current yield 70 %;; | A >99 B 97% |
In acetonitrile byproducts: H2; Electrolysis; electrolysis of AgClO4 in CH3CN, Pt anode, 200 mA, 5V;; cathodic deposition of Ag, current yield 70 %;; | A >99 B 97% |
In acetonitrile byproducts: H2; Electrolysis; electrolysis of AgClO4 in CH3CN, Pt anode, 30 mA, 4V;; cathodic deposition of Ag, current yield 94 %;; | A >99 B 90% |
In acetonitrile byproducts: H2; Electrolysis; electrolysis of AgClO4 in CH3CN, Pt anode, 30 mA, 4V;; cathodic deposition of Ag, current yield 94 %;; | A >99 B 90% |
Conditions | Yield |
---|---|
In not given concd. HCl is added to NaClO4; filtering; filtrate is heated to 135°C;; acid is free of Cl(1-);; | 95% |
In water part of cyclic process;; | |
In water byproducts: NaCl; addn. of concd. HCl to NaClO4 under formation of NaCl; concg. soln. under removing of HCl excess;; | |
In not given byproducts: NaCl; aq. HClO4 is obtained;; | |
In water part of cyclic process;; |
perchloric acid
Conditions | Yield |
---|---|
With hydrogenchloride In hydrogenchloride addition of 20% HCl-solution to solid waterfree Ba(ClO4)2 forms HClO4;; | 95% |
With HCl In hydrogenchloride addition of 20% HCl-solution to solid waterfree Ba(ClO4)2 forms HClO4;; | 95% |
With hydrogenchloride In hydrogenchloride addition of concd. HCl-solution to solid waterfree Ba(ClO4)2 forms HClO4;; | 90% |
With HCl In hydrogenchloride addition of concd. HCl-solution to solid waterfree Ba(ClO4)2 forms HClO4;; | 90% |
Conditions | Yield |
---|---|
In water byproducts: K2SiF6; 30% aq. H2SiF6 is added to a boiling aq. soln. of KClO4; mixt. is boiled for 1 h;; K2SiF6 and KClO4 is filtered off; H2SiF6 and H2SO4 is removed by BaCl2; evapn.; diln.; purity of acid depends on purity of H2SiF6; chem. pure acid is obtained by distn. under reduced pressure;; | 80% |
In water excess of H2SiF6 is removed by BaCl2 or Ba(OH)2; Fe is removed by K4Fe(CN)6; evapn. to remove other impurities; acid contains alkali and K;; |
1-benzyl-5,7-dimethyl-4,6-dioxo-4,5,6,7-tetrahydropyrazolo<3,4-d>pyrimidine
A
perchloric acid
B
5,7-dimethylpyrazolo<3,4-d>pyrimidine-4,6(5H,7H)-dione
Conditions | Yield |
---|---|
With palladium on activated charcoal; ethanol Hydrogenation; |
chlorine dioxide
water
ozone
A
hydrogenchloride
B
perchloric acid
Conditions | Yield |
---|---|
In water reaction of ClO2 and O3; addn. of water;; |
water
chlorine
ozone
A
perchloric acid
B
chloride
Conditions | Yield |
---|---|
With moisture In water reaction of O3 and Cl2 in presence of moisture; addn. of water;; |
Conditions | Yield |
---|---|
In neat (no solvent) Irradiation (UV/VIS); at 1800 - 4000 Å; condensation in liquid O2;; | |
In neat (no solvent) Irradiation (UV/VIS); at 1800 - 4000 Å; condensation in liquid O2;; |
Conditions | Yield |
---|---|
In water ozonized air is passed through an aq. soln. of HClO;; |
Conditions | Yield |
---|---|
In not given distg. at a pressure below 100 Torr; steam is added to prevent formation of solid HClO4*H2O;; obtained HClO4 is 88 to 98% in H2O;; | |
In not given distg. at a pressure below 100 Torr; steam is added to prevent formation of solid HClO4*H2O;; acid contains 20 to 25% H2SO4;; |
Conditions | Yield |
---|---|
In water Electrolysis; vacuum distillation under concg. of 2 n HClO4 soln.;; | |
In water Electrolysis; vacuum distillation under concg. of 2 n HClO4 soln.;; |
Conditions | Yield |
---|---|
In water Electrolysis; anodic oxidation;; | |
In water Electrolysis; anodic oxidation;; |
Conditions | Yield |
---|---|
In water Electrolysis; O2 and H2 are evolved on electrodes; after some time a vol. ratio O2:H2=1:2 has established; oxygen reacts with free chlorine to form perchlorate;; | |
In water Electrolysis; | |
In water Electrolysis; O2 and H2 are evolved on electrodes; after some time a vol. ratio O2:H2=1:2 has established; oxygen reacts with free chlorine to form perchlorate;; |
Conditions | Yield |
---|---|
In gas common condensing of educts;; |
perchloric acid monohydrate
perchloric acid
Conditions | Yield |
---|---|
In not given repeated freezing out;; | |
In neat (no solvent) decompn. at 110°C into anhyd. HClO4 and a less volatile aq. acid;; | |
In neat (no solvent) decompn. at 110°C into anhyd. HClO4 and a less volatile aq. acid;; |
chlorine dioxide
A
hydrogenchloride
B
perchloric acid
C
chloric acid
Conditions | Yield |
---|---|
In water Irradiation (UV/VIS); decompn. in sunlight;; | |
In water Irradiation (UV/VIS); reaction in sunlight;; | |
In water Irradiation (UV/VIS); reaction in sunlight;; |
chlorine dioxide
perchloric acid
Conditions | Yield |
---|---|
In not given Irradiation (UV/VIS); at 20°C;; | |
In not given Irradiation (UV/VIS); | |
With PbO2 hydrate In not given |
perchloric acid
Conditions | Yield |
---|---|
In water byproducts: Fe(OH)3, H2O; thermal decompn.;; |
Conditions | Yield |
---|---|
Pt apparatus, 6°C, equilibrium reaction; | |
Pt apparatus, 6°C, equilibrium reaction; |
Conditions | Yield |
---|---|
In water heating;; | 0% |
Conditions | Yield |
---|---|
In hydrogen fluoride byproducts: H2O; aq. HF; |
Conditions | Yield |
---|---|
In not given aq. acid is obtaind; HCl is removed by heating to 135°C;; | |
In water aluminium shot is added; heating to 110°C for 10h; Cl(1-) is removed by Ag2O; distg. with H2SO4; anhyd. acid is obtained;; |
perchloric acid
Conditions | Yield |
---|---|
In water byproducts: Ca(OH)2, H2O; thermal decompn.;; |
chloride
perchloric acid
Conditions | Yield |
---|---|
In not given Electrolysis; in accumulator;; |
Conditions | Yield |
---|---|
With water In not given Electrolysis; | |
With H2O In not given Electrolysis; |
Conditions | Yield |
---|---|
In dichloromethane; water aq. HClO4 was added to mixt. of corazol and Fe-complex in CH2Cl2, 12 min, Et2O was added; filtered, washed with ether, dried; elem. anal.; | 100% |
Conditions | Yield |
---|---|
With C57H42CoFe3N4 at 20℃; Catalytic behavior; Reagent/catalyst; Electrochemical reaction; | 100% |
With catalyst: Ba/carbon In perchloric acid aq. HClO4; Electrochem. Process; electroreduced on Ba/carbon in 0.1 M HClO4 (1 bar, 21+/-0.5°C, 1.2 V vs. RHE); | |
With catalyst: Ce/carbon In perchloric acid aq. HClO4; Electrochem. Process; electroreduced on Ce/carbon in 0.1 M HClO4 (1 bar, 21+/-0.5°C, 1.2 V vs. RHE); |
2,6-Diacetylpyridine
perchloric acid
palladium diacetate
[Pd(O1,N1,C1-pyridine-2-acetyl-6-(C(O)CH2))(acetonitrile)]ClO4
Conditions | Yield |
---|---|
Stage #1: 2,6-Diacetylpyridine; perchloric acid In diethyl ether; water for 2h; Inert atmosphere; Stage #2: palladium diacetate In diethyl ether; water; acetonitrile for 2h; Inert atmosphere; | 100% |
perchloric acid
N,N'-dimethyl-N,N'-ethylenebis(2-aminomethyl-4-bromo-6-formylphenolato)copper(II)
ethylenediamine
Conditions | Yield |
---|---|
In water; N,N-dimethyl-formamide to soln. ethylenediamine in DMF Cu complex was added and stirred at roomtemp. for 2 h, suspn. was acidified with aq. HClO4; ppt. was collected, washed with Et2O and dried in vacuo; elem. anal.; | 99% |
perchloric acid
Conditions | Yield |
---|---|
In acetonitrile addn. of one drop concd. HClO4 to soln. of Cr-complex; pptn. on ether addn., washing (ether), drying in air; elem. anal.; | 99% |
Conditions | Yield |
---|---|
In water crystn. on cooling, collection, washing (EtOH, ether), drying (air); | 99% |
perchloric acid
[CH2(CH2NHCH2CH2NHCH2)2NC3N3(NH2)2Cu(OClO3)2]*H2O
Cu(CH2(CH2NHCH2CH2NHCH2)2NC3N3H(NH2)2)(ClO4)2(1+)*ClO4(1-)*H2O=[CH2(CH2NHCH2CH2NHCH2)2NC3N3H(NH2)2Cu(OClO3)2]ClO4*H2O
Conditions | Yield |
---|---|
In perchloric acid aq. HClO4; 0.1 M HClO4; recrystn., elem. anal.; | 99% |
perchloric acid
Conditions | Yield |
---|---|
In methanol slow addn. of excess 1 M HClO4 to Mo-complex; crystn.; elem. anal.; | 99% |
Conditions | Yield |
---|---|
In dichloromethane; water aq. HClO4 was added to mixt. of corazol and Fe-complex in CH2Cl2, 15 min, Et2O was added; filtered, washed with ether, dried; elem. anal.; | 99% |
Conditions | Yield |
---|---|
In dichloromethane; water aq. HClO4 was added to mixt. of corazol and Fe-complex in CH2Cl2, 20 min, Et2O was added; filtered, washed with ether, dried; elem. anal.; | 99% |
perchloric acid
Conditions | Yield |
---|---|
With air In not given Mn complex oxidized by air in presence of HClO4; | 99% |
Conditions | Yield |
---|---|
Stage #1: copper (II) carbonate hydroxide; perchloric acid In isopropyl alcohol for 0.166667h; Heating; Stage #2: 1,10-Phenanthroline In isopropyl alcohol at 20℃; | 99% |
perchloric acid
chloro(2,3,7,8,12,13,17,18-octaethylporphyrinato-N,N',N'',N''')iron(III) complex
Conditions | Yield |
---|---|
In methanol treating with 5% HClO4 for 2 d, stay for 2 d to crystn.; | 98% |
perchloric acid
di-μ-chloro-bis[chloro(η5-pentamethylcyclopentadienyl)cobalt]
Conditions | Yield |
---|---|
evapn. at 0 °C in high vac.; | 98% |
perchloric acid
ferrocenyl(2,4,6-trimethoxyphenyl)methanol
Ferrocenyl(2,4,6-trimethoxyphenyl)carbenium perchlorate
Conditions | Yield |
---|---|
In perchloric acid; ethanol aq. HClO4; stirring Fe-complex suspn. (in EtOH) with 1.1 equiv. of 60% aq. HClO4 (0°C, 15 min); crystn. (-30°C); | 98% |
In perchloric acid; diethyl ether aq. HClO4; stirring Fe-complex with slight excess of 60% HClO4 (0°C, 15 min); elem. anal.; | 94% |
In methanol; perchloric acid aq. HClO4; stirring Fe-complex suspn. (in MeOH) with 1.1 equiv. of 60% aq. HClO4 (0°C, 15 min); crystn. (-30°C); | 86% |
perchloric acid
Conditions | Yield |
---|---|
In water pH=3; | 98% |
Conditions | Yield |
---|---|
Stage #1: perchloric acid; C48H54N3O6P3Pd3 In tetrahydrofuran; water at 20℃; for 12h; Inert atmosphere; Stage #2: acetonitrile Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
Stage #1: copper (II) carbonate hydroxide; perchloric acid In isopropyl alcohol for 0.166667h; Heating; Stage #2: 1,10-Phenanthroline In isopropyl alcohol at 20℃; for 3h; | 98% |
perchloric acid
bis[3-(dimethylamino)propyl]tin dichloride
Conditions | Yield |
---|---|
In water for 5h; | 98% |
perchloric acid
Conditions | Yield |
---|---|
In water for 1h; | 98% |
Conditions | Yield |
---|---|
In dichloromethane Re-compd. and HClO4 suspended in MeOH at 0°C, addn. of CH2Cl2 until reaction had begun, addn. of diethyl ether, stirred for 5 min at 0°C; filtered (vac., N2), washed (diethyl ether); | 97% |
perchloric acid
ferrocenyl(2,6-dimethoxyphenyl)methanol
Ferrocenyl(2,6-dimethoxyphenyl)carbenium perchlorate
Conditions | Yield |
---|---|
In perchloric acid; diethyl ether aq. HClO4; stirring Fe-complex with slight excess of 60% HClO4 (0°C, 15 min); elem. anal.; | 97% |
perchloric acid
dicyandiamide
silver(l) oxide
[Ag(cyanogunidine)2]ClO4
Conditions | Yield |
---|---|
In water Ag2O was dissolved in aq. HClO4 in a polypropylene beaker, 4 equiv. of N-compd. was added in H2O; standing for 20 min at room temp., crystals were filtered, washed with small vol. of ice-cold H2O, dried in a desiccator; filtrate waskept at 0 °C for 24 h, further amt. of compd. could be isolated, elem. anal.; | 97% |
perchloric acid
1-phenyl-1,2-butanedione
2-amino-5-trifluoromethyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
In ethanol in boiling ethanol ( 0.2 h ), with 20 % 1-phenylbutane-1,2-dione excess; | A 4% B 96% |
In ethanol in boiling ethanol ( 0.2 h ), with 20 % 1-phenylbutane-1,2-dione excess; | A 4% B 96% |
Conditions | Yield |
---|---|
In formic acid aq. formic acid; refluxing soln. of Cu-complex and HCHO (48 h), evapn. (reduced pressure), dissolving in hot H2O, pptn. on HClO4 addn.; filtration, washing (EtOH, Et2O), drying (vac. desiccator); elem. anal.; | 96% |
perchloric acid
10-methyl-9, 10-dihydro-9-acridinone
2,4,6-trimethylphenyl bromide
Conditions | Yield |
---|---|
Stage #1: 2,4,6-trimethylphenyl bromide With tert.-butyl lithium In diethyl ether; pentane at -78℃; for 0.5h; Cooling with acetone-dry ice; Stage #2: 10-methyl-9, 10-dihydro-9-acridinone In diethyl ether; pentane at -78 - 25℃; for 72h; Cooling with acetone-dry ice; Stage #3: perchloric acid In ethyl acetate | 96% |
Conditions | Yield |
---|---|
Stage #1: perchloric acid; C13H11N2O2S(1-)*Cu(2+)*NO3(1-) In methanol; water for 4h; Stage #2: acetonitrile In methanol; dichloromethane | 96% |
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