Product Name

  • Name

    1,4-Diazacyclohexane

  • EINECS 203-808-3
  • CAS No. 110-85-0
  • Article Data308
  • CAS DataBase
  • Density 0.874 g/cm3
  • Solubility Soluble in water, ethanol. Insoluble in diethyl ether
  • Melting Point 109-112 °C(lit.)
  • Formula C4H10N2
  • Boiling Point 149.324 °C at 760 mmHg
  • Molecular Weight 86.1368
  • Flash Point 49.726 °C
  • Transport Information UN 2579 8/PG 3
  • Appearance needle-like white or colorless crystals
  • Safety 22-26-36/37/39-45-61
  • Risk Codes 34-42/43-52/53
  • Molecular Structure Molecular Structure of 110-85-0 (1,4-Diazacyclohexane)
  • Hazard Symbols CorrosiveC
  • Synonyms 1,4-Diazacyclohexane;1,4-Piperazine;Antiren;Diethylenediamine;Dispermine;Eraverm;Hexahydropyrazine;Lumbrical;Pipersol;Pyrazinehexahydride;Uvilon;Vermex;Wurmirazin;Piperazine anhydrous;
  • PSA 24.06000
  • LogP -0.16320

Synthetic route

2-(2-Aminoethylamino)ethanol
111-41-1

2-(2-Aminoethylamino)ethanol

piperazine
110-85-0

piperazine

Conditions
ConditionsYield
With hydrogen; sodium sulfate In 1,4-dioxane at 180℃; under 66756.7 Torr; for 6h; Reagent/catalyst; Autoclave;80.7%
With aluminum oxide; nitrogen at 400 - 450℃;
With 1,4-dioxane; nickel at 200℃;
iminodiacetonitrile
628-87-5

iminodiacetonitrile

A

piperazine
110-85-0

piperazine

B

1,5-diamino-3-azapentane
111-40-0

1,5-diamino-3-azapentane

Conditions
ConditionsYield
With ammonia; hydrogen; potassium hydroxide In ethanol at 80℃; under 90009 Torr; Pressure; Reagent/catalyst; Solvent; Temperature; Time;A 1.03%
B 97.53%
ethylene glycol
107-21-1

ethylene glycol

A

piperazine
110-85-0

piperazine

B

ethanolamine
141-43-5

ethanolamine

Conditions
ConditionsYield
With ammonia; (carbonyl)(chloro)(hydrido)tris(triphenylphosphine)ruthenium(II); [2-((diphenylphospino)methyl)-2-methyl-1,3-propanediyl]bis[diphenylphosphine] In toluene at 155℃; under 42754.3 Torr; for 12h; Autoclave;
With ammonia; (carbonyl)(chloro)(hydrido)tris(triphenylphosphine)ruthenium(II); [2-((diphenylphospino)methyl)-2-methyl-1,3-propanediyl]bis[diphenylphosphine] In toluene at 180℃; under 27002.7 Torr; for 12h; Autoclave;
With (carbonyl)(chloro)(hydrido)tris(triphenylphosphine)ruthenium(II); ammonia; [2-((diphenylphospino)methyl)-2-methyl-1,3-propanediyl]bis[diphenylphosphine] at 155℃; for 12h; Temperature; Inert atmosphere; Autoclave;
ethylenediamine
107-15-3

ethylenediamine

1,5-diamino-3-azapentane
111-40-0

1,5-diamino-3-azapentane

A

piperazine
110-85-0

piperazine

B

1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

Conditions
ConditionsYield
With ZSM-5 type zeolite In water at 370℃; pH=10; Temperature; pH-value;A 63%
B 17%
With ZSM-5 type zeolite In water at 330℃; pH=10; Temperature; pH-value;A 44%
B 56%
With ZSM-5 type zeolite with Na exchange rate of 62percent In water at 290℃; Reagent/catalyst; Temperature;
With Na-ion exchanged ZSM-5 type zeolite In water at 290 - 600℃; Gas phase;
With β-type iron silicate at 320℃; Reagent/catalyst;
ethylene glycol
107-21-1

ethylene glycol

ethylenediamine
107-15-3

ethylenediamine

piperazine
110-85-0

piperazine

Conditions
ConditionsYield
With hydrogen; sodium sulfate at 210℃; under 88508.9 Torr; for 6h; Reagent/catalyst; Autoclave;70%
With 1,4-dioxane; hydrogen; nickel at 200℃; under 28 Torr;
With palladium on magnesium oxide In acetonitrile at 160℃; for 6.5h; Autoclave; Inert atmosphere;80 %Chromat.
aminoethylpiperazine
140-31-8

aminoethylpiperazine

A

piperazine
110-85-0

piperazine

B

1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

Conditions
ConditionsYield
With ZSM-5 type zeolite In water at 350℃;A 26%
B 53%
With water; Na-type ZSM-5(2) at 350 - 370℃;A 20.2%
B 47.7%
Na-type ZSM-5(6) at 355 - 380℃;A 18.9%
B 39.9%
2-[(3-aminopropyl)amino]ethanol
4461-39-6

2-[(3-aminopropyl)amino]ethanol

piperazine
110-85-0

piperazine

Conditions
ConditionsYield
With phosphorus pentachloride In tetrachloromethane at 30 - 60℃; for 20h; Inert atmosphere;90%
ethylenediamine
107-15-3

ethylenediamine

piperazine
110-85-0

piperazine

Conditions
ConditionsYield
With tetralin; nickel at 150℃;
With tetralin; hydrogen; nickel at 170℃;
With monoaluminum phosphate at 400 - 430℃;
Glycine anhydride
106-57-0

Glycine anhydride

piperazine
110-85-0

piperazine

Conditions
ConditionsYield
With methanesulfonic acid; ruthenium(1,1,1-tris(di(3,5-dimethylphenyl)phosphinomethyl)ethane)(η4-trimethylenemethane); hydrogen In tetrahydrofuran at 180℃; under 75007.5 Torr; for 16h; Autoclave; Schlenk technique;84%
With i-Amyl alcohol; sodium
With sulfuric acid
With hydrogenchloride at 20℃;
ethylene glycol
107-21-1

ethylene glycol

A

piperazine
110-85-0

piperazine

B

ethanolamine
141-43-5

ethanolamine

C

ethylenediamine
107-15-3

ethylenediamine

Conditions
ConditionsYield
With ammonia; C28H44BNOP2Ru In toluene at 180℃; under 21002.1 Torr; for 24h; Product distribution / selectivity; Autoclave; Inert atmosphere;
With ammonia; hydrogen; chlorocarbonylhydrido[4,5-bis(dicyclohexylphosphinomethyl)acridine]ruthenium(II) In toluene at 180℃; under 49580 Torr; for 12h; Product distribution / selectivity; Autoclave; Inert atmosphere;
With ammonia; (carbonyl)(chloro)(hydrido)tris(triphenylphosphine)ruthenium(II); [2-((diphenylphospino)methyl)-2-methyl-1,3-propanediyl]bis[diphenylphosphine] In toluene at 155℃; under 31503.2 Torr; for 12h; Autoclave;
1-(2,3-dihydroxy propyl)piperazine
7483-59-2

1-(2,3-dihydroxy propyl)piperazine

A

piperazine
110-85-0

piperazine

B

2-hydroxymethyl-1,4-diazabicyclo<2.2.2>octane
76950-43-1

2-hydroxymethyl-1,4-diazabicyclo<2.2.2>octane

Conditions
ConditionsYield
With solid catalyst from aluminum phosphate and cesium nitrate In water at 360℃; for 4h; Inert atmosphere; Large scale;A 22%
B 44%
With cesium phosphate and batium hydroxyapatite on Al2O3 In water at 390℃; for 24h; Reagent/catalyst; Temperature; Overall yield = 95 %;
oxirane
75-21-8

oxirane

A

piperazine
110-85-0

piperazine

B

triethanolamine
102-71-6

triethanolamine

C

ethanolamine
141-43-5

ethanolamine

D

ethylenediamine
107-15-3

ethylenediamine

E

1,5-diamino-3-azapentane
111-40-0

1,5-diamino-3-azapentane

F

2,2'-iminobis[ethanol]
111-42-2

2,2'-iminobis[ethanol]

Conditions
ConditionsYield
With ammonia; hydrogen; Ni-Re-B catalyst In water at 165℃; under 156079 Torr;
ethanolamine
141-43-5

ethanolamine

A

piperazine
110-85-0

piperazine

B

ethylenediamine
107-15-3

ethylenediamine

C

1,5-diamino-3-azapentane
111-40-0

1,5-diamino-3-azapentane

Conditions
ConditionsYield
With ammonia; hydrogen; Nickel/Rhenium/Boron (8.0:2.0: 1.7 wt. percent) catalyst on an alumina/silica (80:20) at 165℃; under 155909 Torr;
With ammonia; hydrogen at 170℃; under 60006 Torr; for 12h; Flow reactor;
1,4-bis(2-hydroxyethyl)piperazine
122-96-3

1,4-bis(2-hydroxyethyl)piperazine

piperazine
110-85-0

piperazine

Conditions
ConditionsYield
With hydrogen In water at 180℃; under 15001.5 Torr;
2,2'-iminobis[ethanol]
111-42-2

2,2'-iminobis[ethanol]

A

piperazine
110-85-0

piperazine

B

aminoethylpiperazine
140-31-8

aminoethylpiperazine

Conditions
ConditionsYield
With ammonia; hydrogen In water at 190℃; under 150015 Torr; Temperature;A 42.5 %Chromat.
B 6.3 %Chromat.
ethanolamine
141-43-5

ethanolamine

A

piperazine
110-85-0

piperazine

B

ethylenediamine
107-15-3

ethylenediamine

Conditions
ConditionsYield
With ammonia; hydrogen In water at 159℃; under 4431.9 Torr; Reagent/catalyst;
ethylene glycol
107-21-1

ethylene glycol

A

piperazine
110-85-0

piperazine

B

ethylenediamine
107-15-3

ethylenediamine

Conditions
ConditionsYield
With chlorocarbonylhydrido[4,5-bis(dicyclohexylphosphinomethyl)acridine]ruthenium(II); potassium tert-butylate; ammonia In toluene at 180℃; under 35553.6 Torr; for 12h; Autoclave; Inert atmosphere;
ethanolamine
141-43-5

ethanolamine

2,2'-iminobis[ethanol]
111-42-2

2,2'-iminobis[ethanol]

A

piperazine
110-85-0

piperazine

B

1-(2-hydroxyethyl)piperazine
103-76-4

1-(2-hydroxyethyl)piperazine

Conditions
ConditionsYield
With hydrogen In 1,4-dioxane at 200℃; under 30003 Torr; Solvent;
With hydrogen In ethanol at 200℃; under 15001.5 Torr; Solvent; Temperature; Pressure;
aminoethylpiperazine
140-31-8

aminoethylpiperazine

ethylenediamine
107-15-3

ethylenediamine

A

piperazine
110-85-0

piperazine

B

1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

Conditions
ConditionsYield
With ZSM-5 type zeolite In water at 320℃; pH=9; Temperature; pH-value;A 54%
B 46%
1,4-pyrazine
290-37-9

1,4-pyrazine

piperazine
110-85-0

piperazine

Conditions
ConditionsYield
With potassium carbonate; [Ir(cod)(1-neopentyl-4-n-butyl-triazole-5-ylidene)PPh3]BF4 In isopropyl alcohol at 82℃; for 24h;100%
With dichloro(μ-chloro)(μ-hydrido)bis(η-p-cymene)diruthenium(II); hydrogen In 1,4-dioxane at 75℃; under 37503.8 Torr; for 40h;87%
With Cp*Rh(2-(2-pyridyl)phenyl)H; hydrogen In neat (no solvent) at 100℃; under 27361.8 Torr; for 48h; Catalytic behavior; Glovebox;31%

A

piperazine
110-85-0

piperazine

B

ethanolamine
141-43-5

ethanolamine

C

ethylenediamine
107-15-3

ethylenediamine

Conditions
ConditionsYield
With ammonia; hydrogen In tetrahydrofuran at 100℃; under 75007.5 Torr; for 8h; Autoclave;
2,2'-iminobis[ethanol]
111-42-2

2,2'-iminobis[ethanol]

A

piperazine
110-85-0

piperazine

B

aminoethylpiperazine
140-31-8

aminoethylpiperazine

C

ethylenediamine
107-15-3

ethylenediamine

Conditions
ConditionsYield
With ammonia; hydrogen In water at 196℃; under 150015 Torr; Temperature;A 36.7 %Chromat.
B 6.7 %Chromat.
C 5.1 %Chromat.
ethanolamine
141-43-5

ethanolamine

A

piperazine
110-85-0

piperazine

B

2-(2-Aminoethylamino)ethanol
111-41-1

2-(2-Aminoethylamino)ethanol

C

ethylenediamine
107-15-3

ethylenediamine

D

1,5-diamino-3-azapentane
111-40-0

1,5-diamino-3-azapentane

Conditions
ConditionsYield
With ammonia; hydrogen
With ammonia; hydrogen
With ammonia; hydrogen at 170℃; under 60006 Torr; for 12h; Reagent/catalyst; Flow reactor;
With ammonia at 170℃; under 60006 Torr;
piperazine-1-carboxylic acid
10430-90-7

piperazine-1-carboxylic acid

methyloxirane
75-56-9, 16033-71-9

methyloxirane

A

piperazine
110-85-0

piperazine

B

1,2-propylene cyclic carbonate
108-32-7

1,2-propylene cyclic carbonate

Conditions
ConditionsYield
With potassium iodide at 160℃; for 10h; Reagent/catalyst;A 97.6%
B 95.3%
oxirane
75-21-8

oxirane

piperazine-1-carboxylic acid
10430-90-7

piperazine-1-carboxylic acid

A

piperazine
110-85-0

piperazine

B

[1,3]-dioxolan-2-one
96-49-1

[1,3]-dioxolan-2-one

Conditions
ConditionsYield
With zinc dibromide at 160℃; for 8.5h;A 97.7%
B 94.9%
1,4-bis-(toluene-4-sulfonyl)-piperazine
17046-84-3

1,4-bis-(toluene-4-sulfonyl)-piperazine

piperazine
110-85-0

piperazine

Conditions
ConditionsYield
Stage #1: 1,4-bis-(toluene-4-sulfonyl)-piperazine With Na/K absorbed into silica gel In 1,2-dimethoxyethane at 60℃; Inert atmosphere;
Stage #2: With water In 1,2-dimethoxyethane
76%
With sulfuric acid at 170℃;
1,2-dichloro-ethane
107-06-2

1,2-dichloro-ethane

A

piperazine
110-85-0

piperazine

B

N-(2-aminoethyl)-N'-{2-[(2-aminoethyl)amino]ethyl}ethane-1,2-diamine
112-57-2

N-(2-aminoethyl)-N'-{2-[(2-aminoethyl)amino]ethyl}ethane-1,2-diamine

C

1,5-diamino-3-azapentane
111-40-0

1,5-diamino-3-azapentane

D

triethylentetramine
112-24-3

triethylentetramine

Conditions
ConditionsYield
With ammonium hydroxide; ethylenediamine In water at 100℃; under 18751.9 Torr;
ethanolamine
141-43-5

ethanolamine

A

piperazine
110-85-0

piperazine

B

aminoethylpiperazine
140-31-8

aminoethylpiperazine

C

ethylenediamine
107-15-3

ethylenediamine

D

1,5-diamino-3-azapentane
111-40-0

1,5-diamino-3-azapentane

Conditions
ConditionsYield
With ammonia; hydrogen In water at 80℃; under 26463 Torr; Temperature; Pressure;
ethanolamine
141-43-5

ethanolamine

A

piperazine
110-85-0

piperazine

B

1-(2-hydroxyethyl)piperazine
103-76-4

1-(2-hydroxyethyl)piperazine

C

ethylenediamine
107-15-3

ethylenediamine

D

1,5-diamino-3-azapentane
111-40-0

1,5-diamino-3-azapentane

Conditions
ConditionsYield
With ammonia; hydrogen In water at 103℃; under 26463 Torr; Temperature;
2,5-dibromothiophen
3141-27-3

2,5-dibromothiophen

C10H9BrN2S

C10H9BrN2S

piperazine
110-85-0

piperazine

Conditions
ConditionsYield
With 1-(1-methylethyl)piperazine; palladium diacetate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In 1,2-dimethoxyethane Inert atmosphere;74%
piperazine
110-85-0

piperazine

2-Chloroquinoline
612-62-4

2-Chloroquinoline

2-(piperazin-1-yl)quinoline
4774-24-7

2-(piperazin-1-yl)quinoline

Conditions
ConditionsYield
In ethylene glycol at 140℃; for 2h; Product distribution / selectivity;100%
In ethylene glycol at 140℃; for 2h;100%
With potassium hydroxide In toluene for 4h; Heating;83%
piperazine
110-85-0

piperazine

N,N'-dinitrosopiperazine
140-79-4

N,N'-dinitrosopiperazine

Conditions
ConditionsYield
With toluene-4-sulfonic acid; sodium nitrite In dichloromethane at 20℃; chemoselective reaction;100%
With sulfuric acid; silica gel; sodium nitrite In dichloromethane at 20℃; for 0.166667h;99%
With cross-linked polyvinylpyrrolidone*N2O4; dinitrogen tetraoxide In dichloromethane at 20℃; for 0.333333h;98%
piperazine
110-85-0

piperazine

1-Chlor-4-phenyl-pyridazino<4,5-d>pyridazin
72553-83-4

1-Chlor-4-phenyl-pyridazino<4,5-d>pyridazin

1-Piperazino-4-phenyl-pyridazino<4,5-d>pyridazin
83490-52-2

1-Piperazino-4-phenyl-pyridazino<4,5-d>pyridazin

Conditions
ConditionsYield
In ethanol for 3h; Heating;100%
piperazine
110-85-0

piperazine

6-Methyluracil
626-48-2

6-Methyluracil

formaldehyd
50-00-0

formaldehyd

C-5,N-3-Dipiperazinomethylene-6-methyluracil
75682-13-2

C-5,N-3-Dipiperazinomethylene-6-methyluracil

Conditions
ConditionsYield
In ethanol; water for 24h; Ambient temperature;100%
piperazine
110-85-0

piperazine

5-chloro-2-nitroaniline
1635-61-6

5-chloro-2-nitroaniline

2-nitro-5-piperazin-1-yl-phenylamine
96103-52-5

2-nitro-5-piperazin-1-yl-phenylamine

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 120℃; for 24h;100%
for 5h; Heating;93%
With potassium carbonate In N,N-dimethyl acetamide at 120℃; for 21h;84%
piperazine
110-85-0

piperazine

propyl bromide
106-94-5

propyl bromide

1-n-propylpiperazine
21867-64-1

1-n-propylpiperazine

Conditions
ConditionsYield
With triethylamine In ethanol Reflux;100%
With triethylamine In ethanol for 21h; Heating;45%
piperazine
110-85-0

piperazine

2-chloro-3-nitro-5-trifluoromethylbenzene
121-17-5

2-chloro-3-nitro-5-trifluoromethylbenzene

1,4-Bis(1'-nitro-3'-(trifluoromethyl)-6'-phenyl)piperazine
137918-81-1

1,4-Bis(1'-nitro-3'-(trifluoromethyl)-6'-phenyl)piperazine

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 100℃; under 6000480 Torr; for 120h;100%
piperazine
110-85-0

piperazine

C18H18N2O2
80100-67-0

C18H18N2O2

2-(1-piperazinyl)-2,4,6-cycloheptatrien-1-one
80100-68-1

2-(1-piperazinyl)-2,4,6-cycloheptatrien-1-one

Conditions
ConditionsYield
at 110℃;100%
piperazine
110-85-0

piperazine

Phenyl glycidyl ether
122-60-1

Phenyl glycidyl ether

1-phenoxy-3-(1-piperazinyl)propan-2-ol
40944-05-6

1-phenoxy-3-(1-piperazinyl)propan-2-ol

Conditions
ConditionsYield
In 2,2,2-trifluoroethanol at 20℃; for 6h; regioselective reaction;100%
In ethanol for 0.0583333h; Ring cleavage; addition; Irradiation; microwave irradiation;84%
In methanol at 14.9℃; Rate constant; Thermodynamic data; var. temp., ΔH(excit.), ΔG(excit.), ΔS(excit), E;
piperazine
110-85-0

piperazine

6,7-Difluoro-1-(2-fluoro-phenyl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid
1027017-16-8

6,7-Difluoro-1-(2-fluoro-phenyl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid

1-o-fluorophenyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-quinoline-3-carboxylic acid

1-o-fluorophenyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-quinoline-3-carboxylic acid

Conditions
ConditionsYield
In acetonitrile100%
piperazine
110-85-0

piperazine

4,7-dichloroquinoline
86-98-6

4,7-dichloroquinoline

7-chloro-4-piperazinylquinoline
837-52-5

7-chloro-4-piperazinylquinoline

Conditions
ConditionsYield
In isopropyl alcohol at 100℃; for 20h;100%
With triethylamine at 130℃; for 4h; Inert atmosphere;98%
With potassium carbonate In isopropyl alcohol for 36h; Reflux;95%
piperazine
110-85-0

piperazine

carbon monoxide
201230-82-2

carbon monoxide

isopropenylbenzene
98-83-9

isopropenylbenzene

1,4-Bis-(3-phenyl-butyl)-piperazine

1,4-Bis-(3-phenyl-butyl)-piperazine

Conditions
ConditionsYield
With hydrogen; chloro(1,5-cyclooctadiene)rhodium(I) dimer In 1,4-dioxane at 80℃; under 82506.6 Torr; for 72h;100%
piperazine
110-85-0

piperazine

NBD chloride
10199-89-0

NBD chloride

4-nitro-7-(piperazin-1-yl)benzo[c][1,2,5]oxadiazole
139332-66-4

4-nitro-7-(piperazin-1-yl)benzo[c][1,2,5]oxadiazole

Conditions
ConditionsYield
In tetrahydrofuran at 0℃;100%
at 0℃; for 0.833333h;95%
In N,N-dimethyl-formamide at 85℃; for 4h; Inert atmosphere; Schlenk technique;78%
piperazine
110-85-0

piperazine

1,3-di(tert-butyloxycarbonyl)-2-(trifluoromethylsulfonyl)guanidine
207857-15-6

1,3-di(tert-butyloxycarbonyl)-2-(trifluoromethylsulfonyl)guanidine

dipiperazine-1,4-carboxamidine

dipiperazine-1,4-carboxamidine

Conditions
ConditionsYield
With triethylamine In chloroform for 20h; Ambient temperature;100%
piperazine
110-85-0

piperazine

benzoyl chloride
98-88-4

benzoyl chloride

2-Methoxybenzoyl chloride
21615-34-9

2-Methoxybenzoyl chloride

N-(2-methoxybenzoyl)-N'-(benzoyl)iperazine

N-(2-methoxybenzoyl)-N'-(benzoyl)iperazine

Conditions
ConditionsYield
Stage #1: piperazine With n-butyllithium In tetrahydrofuran at 20℃; for 1h; Metallation;
Stage #2: benzoyl chloride In tetrahydrofuran for 0.166667h; Acylation;
Stage #3: 2-Methoxybenzoyl chloride In tetrahydrofuran for 0.166667h; Acylation;
100%
piperazine
110-85-0

piperazine

formaldehyd
50-00-0

formaldehyd

3-(2-isobutylthioethyl)-6-methyluracil
153581-47-6

3-(2-isobutylthioethyl)-6-methyluracil

3-(2-isobutylthioethyl)-6-methyl-5-(piperazin-1-yl)methyluracil

3-(2-isobutylthioethyl)-6-methyl-5-(piperazin-1-yl)methyluracil

Conditions
ConditionsYield
In ethanol; water for 1h; Heating;100%
piperazine
110-85-0

piperazine

formaldehyd
50-00-0

formaldehyd

5-hydroxy-6-methyluracil
7417-28-9

5-hydroxy-6-methyluracil

5-hydroxy-6-methyl-3-(piperazin-1-yl)methyluracil

5-hydroxy-6-methyl-3-(piperazin-1-yl)methyluracil

Conditions
ConditionsYield
In ethanol; water for 1.08333h; Heating;100%
piperazine
110-85-0

piperazine

formaldehyd
50-00-0

formaldehyd

5-hydroxy-6-methyluracil
7417-28-9

5-hydroxy-6-methyluracil

5-hydroxy-6-methyl-1,3-bis[(piperazin-1-yl)methyl]uracil

5-hydroxy-6-methyl-1,3-bis[(piperazin-1-yl)methyl]uracil

Conditions
ConditionsYield
In ethanol; water at 50 - 70℃; for 1.16667h;100%
piperazine
110-85-0

piperazine

3-Bromopyridine
626-55-1

3-Bromopyridine

1-(pyridin-3-yl)piperazine
67980-77-2

1-(pyridin-3-yl)piperazine

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butyl phosphine; sodium t-butanolate In xylene for 4h; Buchwald coupling; Heating;100%
With dichlorobis(tri-O-tolylphosphine)palladium; potassium tert-butylate In diethylene glycol dimethyl ether at 170℃; for 48h;61%
With dichlorobis(tri-O-tolylphosphine)palladium; sodium t-butanolate In various solvent(s) at 169℃; for 24h;32%
piperazine
110-85-0

piperazine

4-chloro-6,7,8-trimethoxy-quinazoline
33371-00-5

4-chloro-6,7,8-trimethoxy-quinazoline

6,7,8-trimethoxy-4-(1-piperazinyl)quinazoline

6,7,8-trimethoxy-4-(1-piperazinyl)quinazoline

Conditions
ConditionsYield
In isopropyl alcohol for 4h; Heating;100%
Heating;
piperazine
110-85-0

piperazine

4-chloro-6,8-dimethoxyquinazoline
155960-96-6

4-chloro-6,8-dimethoxyquinazoline

6,8-dimethoxy-4-(1-piperazinyl)quinazoline

6,8-dimethoxy-4-(1-piperazinyl)quinazoline

Conditions
ConditionsYield
In isopropyl alcohol for 4h; Heating;100%
Heating;
piperazine
110-85-0

piperazine

4,6-dichloroquinoline
4203-18-3

4,6-dichloroquinoline

6-chloro-4-(1-piperazinyl)quinoline
92026-62-5

6-chloro-4-(1-piperazinyl)quinoline

Conditions
ConditionsYield
In isopropyl alcohol for 4h; Heating;100%
piperazine
110-85-0

piperazine

4,8-dichloroquinoline
21617-12-9

4,8-dichloroquinoline

8-chloro-4-(1-piperazinyl)quinoline

8-chloro-4-(1-piperazinyl)quinoline

Conditions
ConditionsYield
In isopropyl alcohol for 4h; Heating;100%
piperazine
110-85-0

piperazine

4-chloro-6,7-dimethoxycinnoline
7357-26-8

4-chloro-6,7-dimethoxycinnoline

6,7-dimethoxy-4-(1-piperazinyl)cinnoline

6,7-dimethoxy-4-(1-piperazinyl)cinnoline

Conditions
ConditionsYield
In isopropyl alcohol for 4h; Heating;100%
piperazine
110-85-0

piperazine

4-chloro-7-trifluoromethyl quinoline
346-55-4

4-chloro-7-trifluoromethyl quinoline

4-(piperazin-1-yl)-7-(trifluoromethyl)quinoline

4-(piperazin-1-yl)-7-(trifluoromethyl)quinoline

Conditions
ConditionsYield
In isopropyl alcohol for 4h; Heating;100%
With triethylamine at 80 - 140℃; for 7h;78%
With triethylamine at 80 - 130℃; Neat (no solvent);68%
piperazine
110-85-0

piperazine

1-benzyl-4-chlorophthalazine
40848-53-1

1-benzyl-4-chlorophthalazine

1-(piperazin-1-yl)-4-benzylphthalazine

1-(piperazin-1-yl)-4-benzylphthalazine

Conditions
ConditionsYield
In isopropyl alcohol for 4h; Heating;100%
In ethanol at 20 - 60℃;61%
In ethanol at 60℃; for 5h;61%

Piperazine Consensus Reports

Reported in EPA TSCA Inventory.

Piperazine Standards and Recommendations

DOT Classification:  8; Label: Corrosive

Piperazine Specification

The Piperazine, with the CAS registry number 110-85-0, is also known as 1,4-Diazacyclohexane. It belongs to the product categories of Blocks; BuildingBlocks; Organics; Heterocycles; Isotope Labelled Compounds. Its EINECS number is 203-808-3. This chemical's molecular formula is C4H10N2 and molecular weight is 86.13. What's more, its systematic name is Piperazine. Its classification codes are: (1) Agricultural Chemical; (2)Anthelmintic; (3)Anthelmintics; (4)Anti-Infective Agents; (5)Antinematodal agents; (6)Antiparasitic Agents; (7)Drug / Therapeutic Agent; (8)Human Data; (9)Skin / Eye Irritant; (10)Unspecified / Unclassified pesticide. This chemical should be sealed and stored in a cool, ventilated and dry place. Moreover, it should be protected from oxides, heat and fire. This chemical is commonly used as a pharmaceutical intermediate. It is also used in the manufacture of plastics, resins, pesticides, brake fluid and other industrial materials.

Physical properties of Piperazine are: (1)ACD/LogP: -1.171; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -4.41; (4)ACD/LogD (pH 7.4): -3.28; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 2; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 24.06 Å2; (13)Index of Refraction: 1.424; (14)Molar Refractivity: 25.143 cm3; (15)Molar Volume: 98.521 cm3; (16)Polarizability: 9.968×10-24cm3; (17)Surface Tension: 27.6 dyne/cm; (18)Density: 0.874 g/cm3; (19)Flash Point: 49.726 °C; (20)Enthalpy of Vaporization: 38.624 kJ/mol; (21)Boiling Point: 149.324 °C at 760 mmHg; (22)Vapour Pressure: 4.0 mmHg at 25°C.

Uses of Piperazine: it can be used to produce 1-(3-methyl-butyl)-piperazine by heating. It will need reagent triethylamine and solvent ethanol with the reaction time of 17 hours. The yield is about 62%.

Piperazine can be used to produce 1-(3-methyl-butyl)-piperazine by heating

When you are using this chemical, please be cautious about it as the following:
This chemical can cause burns. It may cause sensitisation by inhalation and skin contact. This substance is harmful to aquatic organisms as it may cause long-term adverse effects in the aquatic environment. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. You should not breathe dust. When using it, you need wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, you must seek medical advice immediately (show the label where possible). You should avoid releasing it to the environment, and you need refer to special instructions/safety data sheet.

You can still convert the following datas into molecular structure:
(1)SMILES: C1CNCCN1
(2)Std. InChI: InChI=1S/C4H10N2/c1-2-6-4-3-5-1/h5-6H,1-4H2
(3)Std. InChIKey: GLUUGHFHXGJENI-UHFFFAOYSA-N

The toxicity data is as follows: 

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
child TDLo oral 75mg/kg (75mg/kg) BEHAVIORAL: SLEEP

GASTROINTESTINAL: NAUSEA OR VOMITING
"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 478, 1969.
mouse LC50 inhalation 5400mg/m3/2H (5400mg/m3) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

BEHAVIORAL: EXCITEMENT
Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 15, Pg. 116, 1979.
mouse LD50 intraperitoneal 1900mg/kg (1900mg/kg)   Progress in Biochemical Pharmacology. Vol. 1, Pg. 542, 1965.
mouse LD50 intravenous 1180mg/kg (1180mg/kg)   Drugs in Japan Vol. 6, Pg. 635, 1982.
mouse LD50 oral 600mg/kg (600mg/kg)   Bollettino Chimico Farmaceutico. Vol. 103, Pg. 414, 1964.
rabbit LD50 skin 4mL/kg (4mL/kg)   Union Carbide Data Sheet. Vol. 7/16/1965,
rat LD50 intramuscular > 2500mg/kg (2500mg/kg)   Drugs in Japan Vol. 6, Pg. 635, 1982.
rat LD50 intravenous 1340mg/kg (1340mg/kg)   Drugs in Japan Vol. 6, Pg. 635, 1982.
rat LD50 oral 1900mg/kg (1900mg/kg) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

BEHAVIORAL: EXCITEMENT
Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 15, Pg. 116, 1979.
rat LD50 subcutaneous 3700mg/kg (3700mg/kg)   Drugs in Japan Vol. 6, Pg. 635, 1982.

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