(R)-2-Chloro-3-(2-methylpiperazin-1-YL)pyrazine

Base Information

• Chemical Name: (R)-2-Chloro-3-(2-methylpiperazin-1-YL)pyrazine
• CAS No.: 313657-76-0
• Molecular Formula: C9H13 Cl N4
• Molecular Weight: 212.682
• DSSTox Substance ID: DTXSID00433839
• Wikidata: Q72454663
• Mol file: 313657-76-0.mol

Synonyms:(R)-2-CHLORO-3-(2-METHYLPIPERAZIN-1-YL)PYRAZINE;313657-76-0;2-chloro-3-[(2R)-2-methylpiperazin-1-yl]pyrazine;A5684;SCHEMBL239258;(2R)-1-(3-Chloro-2-pyrazinyl)-2-methylpiperazine;DTXSID00433839;OGTLIDNRGOUIAQ-SSDOTTSWSA-N;2-chloro-3-((R)-2-methylpiperazin-1-yl)pyrazine;J-508639;2-Chloro-3-[(2r)-2-methyl-piperazin-1-yl]pyrazine

Chemical Property of (R)-2-Chloro-3-(2-methylpiperazin-1-YL)pyrazine

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Boiling Point: 344.609oC at 760 mmHg
• PKA: 8.15±0.40(Predicted)
• Flash Point: 162.214oC
• PSA: 41.05000
• Density: 1.208g/cm3
• LogP: 1.32190
• Storage Temp.: 2-8°C
• XLogP3: 1
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 212.0828741
• Heavy Atom Count: 14
• Complexity: 190

Purity/Quality:

98%min ^*data from raw suppliers

(R)-2-Chloro-3-(2-methylpiperazin-1-yl)pyrazine 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1CNCCN1C2=NC=CN=C2Cl
• Isomeric SMILES: C[C@@H]1CNCCN1C2=NC=CN=C2Cl

Technology Process of (R)-2-Chloro-3-(2-methylpiperazin-1-YL)pyrazine

There total 6 articles about (R)-2-Chloro-3-(2-methylpiperazin-1-YL)pyrazine which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 100.0%

(R)-1-(3-chloro-2-pyrazinyl)-2-methyl-4-tritylpiperazine (531503-76-1) → (R)-1-(3-chloro-2-pyrazinyl)-2-methylpiperazine (313657-76-0)

Guidance literature:

With sulfuric acid; In water; isopropyl alcohol; at 77 - 83 ℃; for 0.5h;

Reference yield:

(2R)-methylpiperazine (75336-86-6) → (R)-1-(3-chloro-2-pyrazinyl)-2-methylpiperazine (313657-76-0)

Guidance literature:

Multi-step reaction with 3 steps

1: CH₂Cl₂ / 0.75 h

2: 70.8 percent / K₂CO₃ / dimethylformamide / 20 h / 100 - 110 °C

3: 10 percent aq. HCl / ethanol / 0.5 h

With hydrogenchloride; potassium carbonate; In ethanol; dichloromethane; N,N-dimethyl-formamide;

DOI:10.1002/jlcr.646

Reference yield:

(3R)-3-Methyl-1-Tritylpiperazine (313657-75-9,625843-74-5) → (R)-1-(3-chloro-2-pyrazinyl)-2-methylpiperazine (313657-76-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 70.8 percent / K₂CO₃ / dimethylformamide / 20 h / 100 - 110 °C

2: 10 percent aq. HCl / ethanol / 0.5 h

With hydrogenchloride; potassium carbonate; In ethanol; N,N-dimethyl-formamide;

DOI:10.1002/jlcr.646

upstream raw materials:

(R)-1-(3-chloro-2-pyrazinyl)-2-methyl-4-tritylpiperazine

(2R)-methylpiperazine

(3R)-3-Methyl-1-Tritylpiperazine

(R)-2-methylpiperazine, L-tartrate

Downstream raw materials:

(2R)-1-(3-chloro-2-pyrazinyl)-2-methylpiperazine, hydrochloride

Refernces

• 1、 Felicini,Fontana,Giribone,Nilsson,Oesterlund,Paptchikhine. "Synthesis of PNU-243922 labelled with 14C". . p. 85 - 92. Retrieved 2007/10/03.