Product Name

  • Name

    1-(4-Fluorophenyl)piperazine

  • EINECS 218-846-6
  • CAS No. 2252-63-3
  • Article Data30
  • CAS DataBase
  • Density 1.112 g/cm3
  • Solubility Insoluble in water.
  • Melting Point 30-33 °C
  • Formula C10H13FN2
  • Boiling Point 363.6 °C at 760 mmHg
  • Molecular Weight 180.225
  • Flash Point 137.8 °C
  • Transport Information
  • Appearance clear yellowish liquid after melting
  • Safety 26
  • Risk Codes 22-36/37/38
  • Molecular Structure Molecular Structure of 2252-63-3 (1-(4-Fluorophenyl)piperazine)
  • Hazard Symbols HarmfulXn,ToxicT,CorrosiveC
  • Synonyms Piperazine,1-(p-fluorophenyl)- (6CI,7CI,8CI);1-(p-Fluorophenyl)piperazine;N-(4-Fluorophenyl)piperazine;N-(p-Fluorophenyl)piperazine;p-Fluorophenylpiperazine;
  • PSA 15.27000
  • LogP 1.62910

Synthetic route

piperazine
110-85-0

piperazine

NaOBut

NaOBut

tri-tert-butyl phosphine
13716-12-6

tri-tert-butyl phosphine

1-Bromo-4-fluorobenzene
460-00-4

1-Bromo-4-fluorobenzene

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
palladium diacetate In o-xylene; water95%
piperazine
110-85-0

piperazine

1-Chloro-4-fluorobenzene
352-33-0

1-Chloro-4-fluorobenzene

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); 2-dicyclohexylphosphino-2′,6′-di-i-propoxy-1,1′-biphenyl; sodium t-butanolate In 1,4-dioxane at 100℃; for 0.166667h; Temperature;88%
With tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate; ruphos In 1,4-dioxane at 100℃; for 1h; Buchwald-Hartwig Coupling;81.1%
bis-(2-chloroethyl)amine hydrochloride
821-48-7

bis-(2-chloroethyl)amine hydrochloride

4-fluoroaniline
371-40-4

4-fluoroaniline

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
In various solvent(s) at 150℃;87%
With toluene-4-sulfonic acid at 145℃;
With potassium iodide at 150℃; Inert atmosphere;
tert-butyl 4-(4-fluorophenyl)piperazine-1-carboxylate
141940-39-8

tert-butyl 4-(4-fluorophenyl)piperazine-1-carboxylate

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 20℃; for 2h;83%
4-(4-fluorophenyl)-1-toluene-p-sulfonylpiperazine
4004-97-1

4-(4-fluorophenyl)-1-toluene-p-sulfonylpiperazine

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
With hydrogen bromide; phenol for 0.5h; Heating;66%
2-bromo-N(2-bromoethyl)-N-carbethoxy-ethanamine
77697-11-1

2-bromo-N(2-bromoethyl)-N-carbethoxy-ethanamine

4-fluoroaniline
371-40-4

4-fluoroaniline

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
With methanol; basic alumina (Waters Sep-Pak cartridge 51820) at 150℃; for 0.666667h;75 % Chromat.
With methanol; aluminum oxide at 150℃; for 0.666667h; Product distribution; reaction of aniline derivatives with bis(2-bromoethyl)-N-(ethoxycarbonyl)amine on solid support;75 % Chromat.
piperazine
110-85-0

piperazine

1-Bromo-4-fluorobenzene
460-00-4

1-Bromo-4-fluorobenzene

A

fluorobenzene
462-06-6

fluorobenzene

B

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

C

1,4-bis-(4-fluoro-phenyl)-piperazine
21598-27-6

1,4-bis-(4-fluoro-phenyl)-piperazine

Conditions
ConditionsYield
With sodium t-butanolate; palladium bis(dibenzylideneacetone)palladium(0); tri-tert-butyl phosphine In o-xylene at 120℃; Yield given. Yields of byproduct given;
1-Bromo-4-fluorobenzene
460-00-4

1-Bromo-4-fluorobenzene

A

fluorobenzene
462-06-6

fluorobenzene

B

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

C

1,4-bis-(4-fluoro-phenyl)-piperazine
21598-27-6

1,4-bis-(4-fluoro-phenyl)-piperazine

Conditions
ConditionsYield
With piperazine; sodium t-butanolate; palladium diacetate; tri-tert-butyl phosphine In o-xylene at 120℃; Yield given. Yields of byproduct given;
piperazine
110-85-0

piperazine

1-Bromo-4-fluorobenzene
460-00-4

1-Bromo-4-fluorobenzene

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
With dichlorobis(tri-O-tolylphosphine)palladium; sodium t-butanolate In toluene Heating;
Buchwald-Hartwig amination;
With palladium diacetate; Tri(p-tolyl)phosphine; sodium t-butanolate In toluene at 110℃;
Stage #1: piperazine With palladium diacetate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; sodium t-butanolate In toluene at 20℃; for 0.25h; Buchwald-Hartwig Coupling; Inert atmosphere;
Stage #2: 1-Bromo-4-fluorobenzene In toluene for 20h; Buchwald-Hartwig Coupling; Inert atmosphere; Reflux;
VersabeadsTM VO400-bound bis(chloroethyl)amine

VersabeadsTM VO400-bound bis(chloroethyl)amine

4-fluoroaniline
371-40-4

4-fluoroaniline

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
Stage #1: VersabeadsTM VO400-bound bis(chloroethyl)amine; 4-fluoroaniline With pyridine; potassium iodide at 100℃; for 66h;
Stage #2: With potassium tert-butylate In 1,2-dimethoxyethane for 3h; Heating;
4-fluoroaniline
371-40-4

4-fluoroaniline

alkali thiocyanate

alkali thiocyanate

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 58 percent / NaHCO3, HMPA / 1 h / 130 °C
2: 66 percent / 48percent aq. HBr, phenol / 0.5 h / Heating
View Scheme
tris-(o-tolyl)phosphine
6163-58-2

tris-(o-tolyl)phosphine

1-Bromo-4-fluorobenzene
460-00-4

1-Bromo-4-fluorobenzene

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
tris-(dibenzylideneacetone)dipalladium(0)
cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

2,3,4,6,7,8,9,10-octahydropyrimido<1,2-a>azepino
5768-55-8

2,3,4,6,7,8,9,10-octahydropyrimido<1,2-a>azepino

A

3-(3-(4-(4-fluorophenyl)piperazin-1-yl)propyl)-6,7,8,9-tetrahydro-5H-imidazo[1,2-a]azepine

3-(3-(4-(4-fluorophenyl)piperazin-1-yl)propyl)-6,7,8,9-tetrahydro-5H-imidazo[1,2-a]azepine

B

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

1-t-Butoxycarbonylpiperazine
57260-71-6

1-t-Butoxycarbonylpiperazine

1-halide-4-fluorobenzene

1-halide-4-fluorobenzene

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
Stage #1: 1-t-Butoxycarbonylpiperazine; 1-halide-4-fluorobenzene Buchwald-Hartwig cross coupling;
Stage #2: With hydrogenchloride In 1,4-dioxane
fluorobenzene
462-06-6

fluorobenzene

Selectfluor
140681-55-6

Selectfluor

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: C20H28N4O2Pd(2+)*2BF4(1-); tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate / acetonitrile / 24 h
2: sodium thiosulfate; water / acetonitrile / 2 h / Sealed tube
View Scheme
C13H18ClFN2(2+)*2BF4(1-)

C13H18ClFN2(2+)*2BF4(1-)

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
With water; sodium thiosulfate In acetonitrile for 2h; Sealed tube;
1-Bromo-4-fluorobenzene
460-00-4

1-Bromo-4-fluorobenzene

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; palladium diacetate; sodium t-butanolate / toluene / 8.83 h / 100 °C / Inert atmosphere
2: trifluoroacetic acid / dichloromethane / 2 h / 20 °C
View Scheme
(E)-11-(2-chloroethylidene)-6,11-dihydrodibenzoxepin-2-carboxylic acid methyl ester
127167-47-9

(E)-11-(2-chloroethylidene)-6,11-dihydrodibenzoxepin-2-carboxylic acid methyl ester

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

11-[2-[4-(4-Fluoro-phenyl)-piperazin-1-yl]-eth-(E)-ylidene]-6,11-dihydro-dibenzo[b,e]oxepine-2-carboxylic acid methyl ester

11-[2-[4-(4-Fluoro-phenyl)-piperazin-1-yl]-eth-(E)-ylidene]-6,11-dihydro-dibenzo[b,e]oxepine-2-carboxylic acid methyl ester

Conditions
ConditionsYield
In ethanol100%
1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

N-(4-bromobutyl)-dibenzobicyclo<2.2.2>octane-2,3-dicarboximide

N-(4-bromobutyl)-dibenzobicyclo<2.2.2>octane-2,3-dicarboximide

C32H32FN3O2

C32H32FN3O2

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In acetonitrile for 30h; Heating;100%
1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

5-(3-chloropropyl)-1-methyl-1,4,5,6,7,8-hexahydro-pyrrolo[3,2-c]azepine-4,8-dione
191591-69-2

5-(3-chloropropyl)-1-methyl-1,4,5,6,7,8-hexahydro-pyrrolo[3,2-c]azepine-4,8-dione

5-[3-[4-(4-fluorophenyl)piperazin-1-yl]propyl]-1-methyl-1,4,5,6,7,8-hexahydropyrrolo[3,2-c]azepine-4,8-dione
191591-86-3

5-[3-[4-(4-fluorophenyl)piperazin-1-yl]propyl]-1-methyl-1,4,5,6,7,8-hexahydropyrrolo[3,2-c]azepine-4,8-dione

Conditions
ConditionsYield
With potassium carbonate; sodium iodide In acetonitrile for 38h; Alkylation; Heating;100%
With sodium iodide; sodium chloride; potassium carbonate In acetonitrile99%
With sodium iodide; sodium chloride; potassium carbonate In acetonitrile99%
With sodium iodide; potassium carbonate In acetonitrile99%
1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

7-(4-bromobutyl)-1-methyl-1,4,5,6,7,8-hexahydropyrrolo[2,3-c]azepine-4,8-dione
150159-17-4

7-(4-bromobutyl)-1-methyl-1,4,5,6,7,8-hexahydropyrrolo[2,3-c]azepine-4,8-dione

7-[4-[4-(4-fluorophenyl)piperazin-1-yl]butyl]-1-methyl-1,4,5,6,7,8-hexahydropyrrolo[2,3-c]azepine-4,8-dione

7-[4-[4-(4-fluorophenyl)piperazin-1-yl]butyl]-1-methyl-1,4,5,6,7,8-hexahydropyrrolo[2,3-c]azepine-4,8-dione

Conditions
ConditionsYield
With potassium carbonate; sodium iodide In acetonitrile for 14h; Heating;100%
6-(2-hydroxyethyl)-2-(methylthio)-4-pyrimidinyl 4-methyl-1-benzenesulfonate
920490-05-7

6-(2-hydroxyethyl)-2-(methylthio)-4-pyrimidinyl 4-methyl-1-benzenesulfonate

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

C17H21FN4OS

C17H21FN4OS

Conditions
ConditionsYield
In tetrahydrofuran at 70℃; for 48h;100%
N6-Boc-N2-Cbz-lysine
215595-66-7

N6-Boc-N2-Cbz-lysine

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

C29H39FN4O5

C29H39FN4O5

Conditions
ConditionsYield
With triethylamine100%
(R)-3-(7-methyl-1H-indazol-5-yl)-2-(4-(2-oxo-1,2-dihydroquinolin-3-yl)piperidine-1-carbonyloxy)propanoic acid
865626-86-4

(R)-3-(7-methyl-1H-indazol-5-yl)-2-(4-(2-oxo-1,2-dihydroquinolin-3-yl)piperidine-1-carbonyloxy)propanoic acid

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

(R)-1-(4-(4-Fluorophenyl)piperazin-1-yl)-3-(7-methyl-1H-indazol-5-yl)-1-oxopropan-2-yl 4-(2-oxo-1,2-dihydroquinolin-3-yl)piperidine-1-carboxylate

(R)-1-(4-(4-Fluorophenyl)piperazin-1-yl)-3-(7-methyl-1H-indazol-5-yl)-1-oxopropan-2-yl 4-(2-oxo-1,2-dihydroquinolin-3-yl)piperidine-1-carboxylate

Conditions
ConditionsYield
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In DMF (N,N-dimethyl-formamide); dichloromethane at 0℃; for 4h;100%
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane; N,N-dimethyl-formamide
2-(3-chloropropyl)-6-methyl-3,4,5,6-tetrahydro-2H-pyrrolo[2,3-f][1,2]thiazepin-5-one 1,1-dioxide
232619-87-3

2-(3-chloropropyl)-6-methyl-3,4,5,6-tetrahydro-2H-pyrrolo[2,3-f][1,2]thiazepin-5-one 1,1-dioxide

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

2-[3-[4-(4-fluorophenyl)piperazin-1-yl]propyl]-6-methyl-3,4,5,6-tetrahydro-2H-pyrrolo[2,3-f][1,2]thiazepin-5-one 1,1-dioxide

2-[3-[4-(4-fluorophenyl)piperazin-1-yl]propyl]-6-methyl-3,4,5,6-tetrahydro-2H-pyrrolo[2,3-f][1,2]thiazepin-5-one 1,1-dioxide

Conditions
ConditionsYield
With sodium iodide; potassium carbonate In acetonitrile100%
formaldehyd
50-00-0

formaldehyd

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

1-(4-fluorophenyl)-4-methylpiperazine

1-(4-fluorophenyl)-4-methylpiperazine

Conditions
ConditionsYield
Heating;99%
2-(3-bromopropyl)-4,4-dimethoxy-3,4-dihydro-2H-1,2-benzothiazine 1,1-dioxide

2-(3-bromopropyl)-4,4-dimethoxy-3,4-dihydro-2H-1,2-benzothiazine 1,1-dioxide

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

2-[3-[4-(4-fluorophenyl)piperazin-1-yl]propyl]-4,4-dimethoxy-3,4-dihydro-2H-1,2-benzothiazine 1,1-dioxide

2-[3-[4-(4-fluorophenyl)piperazin-1-yl]propyl]-4,4-dimethoxy-3,4-dihydro-2H-1,2-benzothiazine 1,1-dioxide

Conditions
ConditionsYield
With potassium carbonate In 1,4-dioxane99%
7-(dimethylamino)methyl-3-methyl-2-pyrrolidin-1-yl-3,5-dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one
1179358-18-9

7-(dimethylamino)methyl-3-methyl-2-pyrrolidin-1-yl-3,5-dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

7-{[4-(4-fluorophenyl)piperazin-1-yl]methyl}-3-methyl-2-pyrrolidin-1-yl-3,5-dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one
1179358-24-7

7-{[4-(4-fluorophenyl)piperazin-1-yl]methyl}-3-methyl-2-pyrrolidin-1-yl-3,5-dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one

Conditions
ConditionsYield
In toluene at 110℃; for 3h;99%
(1R,4R)-7,7-dimethyl-1-((R)-oxiran-2-yl)bicyclo[2.2.1]heptan-2-one

(1R,4R)-7,7-dimethyl-1-((R)-oxiran-2-yl)bicyclo[2.2.1]heptan-2-one

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

(1R,4R)-1-((R)-2-(4-(4-fluorophenyl)piperazin-1-yl)-1-hydroxyethyl)-7,7-dimethylbicyclo[2.2.1]heptan-2-one
1615687-82-5

(1R,4R)-1-((R)-2-(4-(4-fluorophenyl)piperazin-1-yl)-1-hydroxyethyl)-7,7-dimethylbicyclo[2.2.1]heptan-2-one

Conditions
ConditionsYield
With lithium perchlorate In acetonitrile at 20 - 50℃;99%
C12H22N2O2

C12H22N2O2

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

C22H35FN4O

C22H35FN4O

Conditions
ConditionsYield
With sodium cyanoborohydride; zinc(II) chloride In methanol at 75℃; for 27h;98.99%
C10H18N2O2

C10H18N2O2

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

C20H31FN4O

C20H31FN4O

Conditions
ConditionsYield
With sodium cyanoborohydride; zinc(II) chloride In methanol at 75℃; for 96h;98.01%
3-(2-bromoethyl)oxazolo<4,5-b>pyridin-2(3H)-one
134336-95-1

3-(2-bromoethyl)oxazolo<4,5-b>pyridin-2(3H)-one

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

3-<2-<4-(4-fluorophenyl)-1-piperazinyl>ethyl>oxazolo<4,5-b>pyridin-2(3H)-one

3-<2-<4-(4-fluorophenyl)-1-piperazinyl>ethyl>oxazolo<4,5-b>pyridin-2(3H)-one

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 60℃; for 12h;98%
1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

α-hydroxymethylenedeoxyvasicin-4-one
62062-74-2

α-hydroxymethylenedeoxyvasicin-4-one

3-[4-(4-fluoro-phenyl)-piperazin-1-ylmethylene]-2,3-dihydro-1H-pyrrolo[2,1-b]quinazolin-9-one

3-[4-(4-fluoro-phenyl)-piperazin-1-ylmethylene]-2,3-dihydro-1H-pyrrolo[2,1-b]quinazolin-9-one

Conditions
ConditionsYield
In chloroform Heating; various conditions;98%
1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

7,8-difluoro-1-methyl-4-oxo-1,4,5,10-tetrahydro-benzo[b][1,8]naphthyridine-3-carboxylic acid

7,8-difluoro-1-methyl-4-oxo-1,4,5,10-tetrahydro-benzo[b][1,8]naphthyridine-3-carboxylic acid

7-fluoro-8-[4-(4-fluoro-phenyl)-piperazin-1-yl]-1-methyl-4-oxo-1,4,5,10-tetrahydro-benzo[b][1,8]naphthyridine-3-carboxylic acid

7-fluoro-8-[4-(4-fluoro-phenyl)-piperazin-1-yl]-1-methyl-4-oxo-1,4,5,10-tetrahydro-benzo[b][1,8]naphthyridine-3-carboxylic acid

Conditions
ConditionsYield
In dimethyl sulfoxide at 90℃; for 4h;98%
N-(dihydro-3,3-diphenyl-2(3H)-furanylidene)-N-methylmethanaminium bromide
37743-18-3

N-(dihydro-3,3-diphenyl-2(3H)-furanylidene)-N-methylmethanaminium bromide

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

4-[4-(4-fluoro-phenyl)-piperazin-1-yl]-N,N-dimethyl-2,2-diphenyl-butyramide

4-[4-(4-fluoro-phenyl)-piperazin-1-yl]-N,N-dimethyl-2,2-diphenyl-butyramide

Conditions
ConditionsYield
With sodium carbonate In N,N-dimethyl-formamide at 100℃; for 4h;98%
3,4-difluoronitrobenzene
369-34-6

3,4-difluoronitrobenzene

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

1-(2-fluoro-4-nitrophenyl)-4-(4-fluorophenyl)-piperazine

1-(2-fluoro-4-nitrophenyl)-4-(4-fluorophenyl)-piperazine

Conditions
ConditionsYield
Stage #1: 1-(4-Fluorophenyl)piperazine With N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 0.5h; Inert atmosphere;
Stage #2: 3,4-difluoronitrobenzene In acetonitrile Inert atmosphere; Reflux;
98%
With sodium hydrogencarbonate at 125℃; for 0.5h; Temperature; Microwave irradiation;90%
With sodium hydrogencarbonate In neat (no solvent) at 125℃; for 0.5h; Microwave irradiation; Sealed tube;90%
With N-ethyl-N,N-diisopropylamine
2-(3-chloropropyl)-5-methoxy-3,4-dihydro-2H-1,2-benzothiazin-4-one 1,1-dioxide ethylene acetal
186491-71-4

2-(3-chloropropyl)-5-methoxy-3,4-dihydro-2H-1,2-benzothiazin-4-one 1,1-dioxide ethylene acetal

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

2-[3-[4-(4-fluorophenyl)piperazin-1-yl]propyl]-5-methoxy-3,4-dihydro-2H-1,2-benzothiazin-4-one 1,1-dioxide ethylene acetal
186491-82-7

2-[3-[4-(4-fluorophenyl)piperazin-1-yl]propyl]-5-methoxy-3,4-dihydro-2H-1,2-benzothiazin-4-one 1,1-dioxide ethylene acetal

Conditions
ConditionsYield
With sodium iodide; sodium hydrogencarbonate In acetonitrile98%
5-chloro-2-(3-chloropropyl)-3,4-dihydro-2H-1,2-benzothiazin-4-one 1,1-dioxide ethylene acetal
186491-72-5

5-chloro-2-(3-chloropropyl)-3,4-dihydro-2H-1,2-benzothiazin-4-one 1,1-dioxide ethylene acetal

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

5-chloro-2-[3-[4-(4-fluorophenyl)piperazin-1-yl]propyl]-3,4-dihydro-2H-1,2-benzothiazin-4-one 1,1-dioxide ethylene acetal
186491-85-0

5-chloro-2-[3-[4-(4-fluorophenyl)piperazin-1-yl]propyl]-3,4-dihydro-2H-1,2-benzothiazin-4-one 1,1-dioxide ethylene acetal

Conditions
ConditionsYield
With sodium iodide; sodium hydrogencarbonate In acetonitrile98%
(1R,4R)-7,7-dimethyl-1-((S)-oxiran-2-yl)bicyclo[2.2.1]heptan-2-one

(1R,4R)-7,7-dimethyl-1-((S)-oxiran-2-yl)bicyclo[2.2.1]heptan-2-one

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

(1R,4R)-1-((S)-2-(4-(4-fluorophenyl)piperazin-1-yl)-1-hydroxyethyl)-7,7-dimethylbicyclo[2.2.1]heptan-2-one
1615687-99-4

(1R,4R)-1-((S)-2-(4-(4-fluorophenyl)piperazin-1-yl)-1-hydroxyethyl)-7,7-dimethylbicyclo[2.2.1]heptan-2-one

Conditions
ConditionsYield
With lithium perchlorate In acetonitrile at 20 - 50℃;98%
methyl 4-((((4-nitrophenoxy)carbonyl)(pyridine-2-yl)amino)methyl)benzoate

methyl 4-((((4-nitrophenoxy)carbonyl)(pyridine-2-yl)amino)methyl)benzoate

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

methyl 4-((4-(4-fluorophenyl)-N-(pyridin-2-yl)piperazine-1-carboxamido)methyl)benzoate

methyl 4-((4-(4-fluorophenyl)-N-(pyridin-2-yl)piperazine-1-carboxamido)methyl)benzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 55℃; for 12h;98%
1-(3-bromopropyl)oxazolo<5,4-b>pyridin-2(1H)-one
142714-73-6

1-(3-bromopropyl)oxazolo<5,4-b>pyridin-2(1H)-one

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

1-<3-<4-(4-fluorophenyl)-1-piperazinyl>propyl>oxazolo<5,4-b>pyridin-2(1H)-one

1-<3-<4-(4-fluorophenyl)-1-piperazinyl>propyl>oxazolo<5,4-b>pyridin-2(1H)-one

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 85℃; for 12h;97%
1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

3-(4-benzyl-3,4-dihydro-2H-1,4-benzoxazin-2-yl)propionic acid
212578-60-4

3-(4-benzyl-3,4-dihydro-2H-1,4-benzoxazin-2-yl)propionic acid

3-(4-Benzyl-3,4-dihydro-2H-benzo[1,4]oxazin-2-yl)-1-[4-(4-fluoro-phenyl)-piperazin-1-yl]-propan-1-one
212578-62-6

3-(4-Benzyl-3,4-dihydro-2H-benzo[1,4]oxazin-2-yl)-1-[4-(4-fluoro-phenyl)-piperazin-1-yl]-propan-1-one

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane for 5h; Ambient temperature;97%
1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

(2R,3S,8R,9S,10S,13S,14S,17S)-10,13-Dimethyl-hexadecahydro-20-oxa-cyclopropa[2,3]cyclopenta[a]phenanthren-17-ol

(2R,3S,8R,9S,10S,13S,14S,17S)-10,13-Dimethyl-hexadecahydro-20-oxa-cyclopropa[2,3]cyclopenta[a]phenanthren-17-ol

(2S,3S,8R,9S,10S,13S,14S,17S)-2-[4-(4-Fluoro-phenyl)-piperazin-1-yl]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-3,17-diol

(2S,3S,8R,9S,10S,13S,14S,17S)-2-[4-(4-Fluoro-phenyl)-piperazin-1-yl]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-3,17-diol

Conditions
ConditionsYield
With gadolinium(III) trifluoromethanesulfonate In toluene at 150 - 190℃;97%
1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

1-(2-(oxiran-2-ylmethoxy)phenyl)-3-phenylpropan-1-one
22525-95-7

1-(2-(oxiran-2-ylmethoxy)phenyl)-3-phenylpropan-1-one

1-<2-<3-<4-(4-fluorophenyl)-1-piperazinyl>-2-hydroxypropoxy>phenyl>-3-phenyl-1-propanone hydrochloride

1-<2-<3-<4-(4-fluorophenyl)-1-piperazinyl>-2-hydroxypropoxy>phenyl>-3-phenyl-1-propanone hydrochloride

Conditions
ConditionsYield
Stage #1: 1-(4-Fluorophenyl)piperazine; 1-(2-(oxiran-2-ylmethoxy)phenyl)-3-phenylpropan-1-one In ethanol at 160℃; for 0.25h; Microwave irradiation;
Stage #2: With hydrogenchloride In methanol
97%
1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

Benzyl bromoacetate
5437-45-6

Benzyl bromoacetate

C19H21FN2O2
486457-27-6

C19H21FN2O2

Conditions
ConditionsYield
With triethylamine; potassium iodide In tetrahydrofuran Reflux;97%
propargyl alcohol
107-19-7

propargyl alcohol

2,2,2-trifluoro-N-(2-iodophenyl)acetamide
143321-89-5

2,2,2-trifluoro-N-(2-iodophenyl)acetamide

1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

2-((4-(4-fluorophenyl)piperazine-1-yl)methyl)-1H-indole

2-((4-(4-fluorophenyl)piperazine-1-yl)methyl)-1H-indole

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; potassium carbonate In N,N-dimethyl-formamide at 80℃; for 2h; Inert atmosphere;97%
1-(4-Fluorophenyl)piperazine
2252-63-3

1-(4-Fluorophenyl)piperazine

1-bromomethyl-3-nitrobenzene
3958-57-4

1-bromomethyl-3-nitrobenzene

1-(4-fluorophenyl)-4-(3-nitrobenzyl)piperazine

1-(4-fluorophenyl)-4-(3-nitrobenzyl)piperazine

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 20℃;97%

1-(4-Fluorophenyl)piperazine Specification

The 4-Fluoro-phenylpiperazine, with the CAS registry number 2252-63-3 and EINECS registry number 218-846-6, has the systematic name of 1-(4-fluorophenyl)piperazine. It is a kind of  clear yellowish liquid after melting, and belongs to the following product categories: Nitrogen cyclic compounds; Piperidines, Piperidones, Piperazines; Piperaizine; API intermediates; Building Blocks; Heterocyclic Building Blocks. And the molecular formula of the chemical is C10H13FN2. What's more, it is always used as a catalyst and intermediate.

The physical properties of 4-Fluoro-phenylpiperazine are as followings: (1)ACD/LogP: 1.20; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.6; (4)ACD/LogD (pH 7.4): -0.02; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 6.44; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 6.48 Å2; (13)Index of Refraction: 1.527; (14)Molar Refractivity: 49.79 cm3; (15)Molar Volume: 161.9 cm3; (16)Polarizability: 19.74×10-24cm3; (17)Surface Tension: 35.8 dyne/cm; (18)Density: 1.112 g/cm3; (19)Flash Point: 137.8 °C; (20)Enthalpy of Vaporization: 60.97 kJ/mol; (21)Boiling Point: 363.6 °C at 760 mmHg; (22)Vapour Pressure: 1.78E-05 mmHg at 25°C.

You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin, and it is also harmful by inhalation, in contact with skin and if swallowed. Therefore, you had better take the following instructions: Wear suitable protective clothing, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: Fc1ccc(cc1)N2CCNCC2
(2)InChI: InChI=1/C10H13FN2/c11-9-1-3-10(4-2-9)13-7-5-12-6-8-13/h1-4,12H,5-8H2
(3)InChIKey: AVJKDKWRVSSJPK-UHFFFAOYAS

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