1-(ETHOXYCARBONYLMETHYL)PIPERAZINE Chemical Properties

Boiling point:

127°C 13mm

Density 

1.048 g/mL at 20 °C (lit.)

refractive index 

n20/D 1.472

Flash point:

127°C/13mm

storage temp. 

-20°C

solubility 

Chloroform, Methanol

form 

Oil

pka

8.96±0.10(Predicted)

color 

Clear

Water Solubility 

Soluble in water, chloroform, and methanol.

Sensitive 

Air Sensitive

BRN 

743260

Major Application

peptide synthesis

InChI

1S/C8H16N2O2/c1-2-12-8(11)7-10-5-3-9-4-6-10/h9H,2-7H2,1H3

InChIKey

MTFCXMJOGMHYAE-UHFFFAOYSA-N

SMILES

CCOC(=O)CN1CCNCC1

CAS DataBase Reference

40004-08-8(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

3

Hazard Note 

Irritant

HazardClass 

8

HS Code 

2933599590

Storage Class

10 - Combustible liquids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

1-(ETHOXYCARBONYLMETHYL)PIPERAZINE Usage And Synthesis

Chemical Properties

1-(ETHOXYCARBONYLMETHYL)PIPERAZINE is Clear Thick Oil

Uses

N-(Ethoxycarbonylmethyl)piperazine is used in the preparation of aralkylpiperazine- and aryl-substituted hydrazines, particularly benzylpiperazineacetyl hydrazones of hydroxyaryl aldehydes, as selective inducers of apoptosis and activators of procaspases for use as anticancer agents.

Uses

1-(ETHOXYCARBONYLMETHYL)PIPERAZINE is used in the preparation of aralkylpiperazine- and aryl-substituted hydrazines, particularly benzylpiperazineacetyl hydrazones of hydroxyaryl aldehydes, as selecti ve inducers of apoptosis and activators of procaspases for use as anticancer agents.

Definition

ChEBI: Ethyl piperazinoacetate is an alpha-amino acid ester.

reaction suitability

reaction type: solution phase peptide synthesis

Synthesis

Step A: tert-butyl 4-ethoxycarbonylmethyl-piperazine-1-carboxylate

Tert-butyl piperazine-1-carboxylate (2.62 g, 14 mmol), cesium carbonate (5 g, 15 mmol) and bromoacetic acid ethyl ester (1.56 ml, 14 mmol) were stirred at room temperature for 1 hour. The mixture was dissolved in water (200 ml) and ethyl ether (2 x 100 ml) was partitioned between them. The combined organic phases were dried over magnesium sulfate and concentrated to give yellow oil, which was crystallized to give tert-butyl 4-ethoxycarbonylmethyl-piperazine-1-carboxylate (2.6 g) in the form of a pale yellow solid.

1H N.M.R (CDCl3) ?? = 1.24 (3H, t, J = 7.1 Hz), 1.43 (9H, s), 2.49 (4H, t, J = 5 Hz), 3.20 (2H, s), 3.44 (4H, t, J = 4.8 Hz), 4.16 (2H, q, J = 7.1 Hz).

Step B: 1-(Ethoxycarbonylmethyl)piperazine

A solution of tert-butyl 4-ethoxycarbonylmethyl-piperazine-1-carboxylate in 90% trifluoroacetic acid (5 ml) was stirred for 3 hours. The mixture was alkalized with saturated sodium bicarbonate solution and concentrated. The residue was ground with ethyl acetate (30 ml) and filtered. The filtrate was concentrated to give 1-(ethoxycarbonylmethyl)piperazine in the form of a yellow oil (about 1.5 g).

1-(ETHOXYCARBONYLMETHYL)PIPERAZINE(40004-08-8)Related Product Information

• 3-ETHOXYCARBONYLMETHYL-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER
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