Product Name

  • Name

    1-BENZYL-4-PHENYLPIPERAZINE

  • EINECS
  • CAS No. 3074-46-2
  • Article Data22
  • CAS DataBase
  • Density 1.092 g/cm3
  • Solubility
  • Melting Point 42 °C
  • Formula C17H20N2
  • Boiling Point 376.1 °C at 760 mmHg
  • Molecular Weight 252.359
  • Flash Point 167.1 °C
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 3074-46-2 (1-BENZYL-4-PHENYLPIPERAZINE)
  • Hazard Symbols
  • Synonyms Piperazine,1-benzyl-4-phenyl- (7CI,8CI);
  • PSA 6.48000
  • LogP 3.01170

Synthetic route

polymer, polymerization degree = 50; monomer(s): (1S,2R,6S,7R)-4-benzyl-4-thionia-tricyclo[5.2.1.02,6]dec-8-ene perchlorate

polymer, polymerization degree = 50; monomer(s): (1S,2R,6S,7R)-4-benzyl-4-thionia-tricyclo[5.2.1.02,6]dec-8-ene perchlorate

4-phenyl-1-piperazine
92-54-6

4-phenyl-1-piperazine

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With caesium carbonate; sodium iodide In dichloromethane at 80℃; for 1h;98%
4-phenyl-1-piperazine
92-54-6

4-phenyl-1-piperazine

benzaldehyde
100-52-7

benzaldehyde

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
Stage #1: 4-phenyl-1-piperazine; benzaldehyde for 0.0666667h; Microwave irradiation;
Stage #2: With sodium tetrahydroborate In methanol at 20℃; for 0.5h;
98%
With sodium cyanoborohydride; acetic acid In methanol; 1,2-dichloro-ethane at 65℃; for 0.166667h; Flow reactor;
4-phenyl-1-piperazine
92-54-6

4-phenyl-1-piperazine

silica-supported oligomeric benzyl phosphate

silica-supported oligomeric benzyl phosphate

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With caesium carbonate; sodium iodide In tetrahydrofuran at 80℃; for 12h; Inert atmosphere; Sealed tube;95%
4-phenyl-1-piperazine
92-54-6

4-phenyl-1-piperazine

polymer, degree of polymerization 60; monomer(s): 2-chlorosulfonyl-5-norbornene; ethyl vinyl ether; benzyl alcohol

polymer, degree of polymerization 60; monomer(s): 2-chlorosulfonyl-5-norbornene; ethyl vinyl ether; benzyl alcohol

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With triethylamine In dichloromethane at 40℃;94%
4-phenyl-1-piperazine
92-54-6

4-phenyl-1-piperazine

benzyl bromide
100-39-0

benzyl bromide

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
In dimethyl sulfoxide89%
With sodium carbonate In acetonitrile at 20℃;84%
With aluminum oxide; potassium carbonate for 0.0833333h; Solid phase reaction; alkylation; microwave irradiation;74%
formaldehyd
50-00-0

formaldehyd

bromobenzene
108-86-1

bromobenzene

4-phenyl-1-piperazine
92-54-6

4-phenyl-1-piperazine

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With cobalt(II) bromide; zinc In acetonitrile at 60℃; for 1.5h; Mannich type reaction; Inert atmosphere;89%
4-phenyl-1-piperazine
92-54-6

4-phenyl-1-piperazine

benzyl chloride
100-44-7

benzyl chloride

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With potassium carbonate In butanone at 80℃; for 24h;82%
With toluene
4-phenyl-1-piperazine
92-54-6

4-phenyl-1-piperazine

benzyl alcohol
100-51-6

benzyl alcohol

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With iron(III)phthalocyanine chloride; potassium tert-butylate In neat (no solvent) at 170℃; for 24h; Inert atmosphere; Microwave irradiation;82%
1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

iodobenzene
591-50-4

iodobenzene

benzyl bromide
100-39-0

benzyl bromide

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With copper(l) iodide; potassium tert-butylate In dimethyl sulfoxide at 65℃; for 4h; Solvent; Temperature; Inert atmosphere;79%
1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

iodobenzene
591-50-4

iodobenzene

benzyl chloride
100-44-7

benzyl chloride

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With copper(l) iodide; potassium tert-butylate In dimethyl sulfoxide at 65℃; for 4h; Inert atmosphere;78%
1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

bromobenzene
108-86-1

bromobenzene

benzyl bromide
100-39-0

benzyl bromide

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With copper(l) iodide; potassium tert-butylate In dimethyl sulfoxide at 65℃; for 4h; Inert atmosphere;75%
1,4-diaza-bicyclo[2.2.2]octane
280-57-9

1,4-diaza-bicyclo[2.2.2]octane

bromobenzene
108-86-1

bromobenzene

benzyl chloride
100-44-7

benzyl chloride

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With copper(l) iodide; potassium tert-butylate In dimethyl sulfoxide at 65℃; for 4h; Inert atmosphere;74%
2-(4-benzyl-piperazin-1-yl)-benzaldehyde
112253-26-6

2-(4-benzyl-piperazin-1-yl)-benzaldehyde

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; (1S)-10-camphorsulfonic acid In toluene at 140℃; under 760.051 Torr; for 18h; Sealed tube; Molecular sieve;11%
bromobenzene
108-86-1

bromobenzene

1-phenylmethylpiperazine
2759-28-6

1-phenylmethylpiperazine

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With palladium diacetate; sodium t-butanolate; DavePhos In toluene at 110℃; for 20h;96 % Chromat.
4-phenyl-1-piperazine
92-54-6

4-phenyl-1-piperazine

C16H19O4P
1233656-18-2

C16H19O4P

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
Stage #1: C16H19O4P With Grubbs catalyst first generation In dichloromethane at 50℃; Inert atmosphere;
Stage #2: 4-phenyl-1-piperazine With tetra-(n-butyl)ammonium iodide; potassium carbonate In chloroform at 80℃; Inert atmosphere;
benzyl chloride
100-44-7

benzyl chloride

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: neat (no solvent) / 0.25 h
2: lithium tert-butoxide; copper(l) chloride / 1-methyl-pyrrolidin-2-one / 14 h / 70 °C
View Scheme
Phenyl triflate
17763-67-6

Phenyl triflate

4-aza-1-benzylazoniabicyclo<2.2.2>octane chloride
42790-42-1

4-aza-1-benzylazoniabicyclo<2.2.2>octane chloride

N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

Conditions
ConditionsYield
With copper(l) chloride; lithium tert-butoxide In 1-methyl-pyrrolidin-2-one at 70℃; for 14h;
N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

4-benzyl-1-phenylpiperazine-2,3-dione
206753-52-8

4-benzyl-1-phenylpiperazine-2,3-dione

Conditions
ConditionsYield
Stage #1: N-benzyl,N'-phenylpiperazine With sodium dihydrogenphosphate; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical In acetonitrile at 0℃; for 0.0833333h;
Stage #2: With sodium hypochlorite; sodium chlorite In water; acetonitrile
75%
N-benzyl,N'-phenylpiperazine
3074-46-2

N-benzyl,N'-phenylpiperazine

2-(4-methoxyphenyl)-1-tosylaziridine
155721-36-1

2-(4-methoxyphenyl)-1-tosylaziridine

A

C33H37N3O3S

C33H37N3O3S

B

C33H37N3O3S

C33H37N3O3S

Conditions
ConditionsYield
With tetrakis(actonitrile)copper(I) hexafluorophosphate; (S)-(1,1'-binaphthalene)-2,2'-diylbis(diphenylphosphine) In toluene at 23℃; for 36h; Inert atmosphere; Overall yield = 88 %; Overall yield = 48.8 mg;A n/a
B n/a

1-Benzyl-4-phenylpiperazine Specification

The 1-Benzyl-4-phenylpiperazine, with the CAS registry number 3074-46-2, is also known as Piperazine, 1-phenyl-4-(phenylmethyl)-. It belongs to the product categories of Piperaizine; Piperazines. This chemical's molecular formula is C17H20N2 and molecular weight is 252.3541. Its IUPAC name is called 1-benzyl-4-phenylpiperazine.

Physical properties of 1-Benzyl-4-phenylpiperazine: (1)ACD/LogP: 3.30; (2)ACD/LogD (pH 5.5): 2.44; (3)ACD/LogD (pH 7.4): 3.27; (4)ACD/BCF (pH 5.5): 26.16; (5)ACD/BCF (pH 7.4): 175.93; (6)ACD/KOC (pH 5.5): 204.99; (7)ACD/KOC (pH 7.4): 1378.36; (8)#H bond acceptors: 2; (9)#Freely Rotating Bonds: 3; (10)Index of Refraction: 1.601; (11)Molar Refractivity: 79.19 cm3; (12)Molar Volume: 231 cm3; (13)Surface Tension: 45.7 dyne/cm; (14)Density: 1.092 g/cm3; (15)Flash Point: 167.1 °C; (16)Enthalpy of Vaporization: 62.38 kJ/mol; (17)Boiling Point: 376.1 °C at 760 mmHg; (18)Vapour Pressure: 7.4E-06 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C1CN(CCN1CC2=CC=CC=C2)C3=CC=CC=C3
(2)InChI: InChI=1S/C17H20N2/c1-3-7-16(8-4-1)15-18-11-13-19(14-12-18)17-9-5-2-6-10-17/h1-10H,11-15H2
(3)InChIKey: VEJWDLHOLWGRLH-UHFFFAOYSA-N

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