5-Chloro-2,3-diphenylpyrazine

Base Information

• Chemical Name: 5-Chloro-2,3-diphenylpyrazine
• CAS No.: 41270-66-0
• Molecular Formula: C16H11ClN2
• Molecular Weight: 266.73
• Hs Code.: 2933990090
• European Community (EC) Number: 813-797-2
• DSSTox Substance ID: DTXSID40394713
• Nikkaji Number: J1.175.397C
• Wikidata: Q82194268
• Mol file: 41270-66-0.mol

Synonyms:5-chloro-2,3-diphenylpyrazine;41270-66-0;2,3-diphenyl-5-chloropyrazine;2-Chloro-5,6-diphenylpyrazine;MFCD00234892;SCHEMBL383762;AMY243;DTXSID40394713;VUGNCPVAXWZTOL-UHFFFAOYSA-N;BCP14488;CS-M3068;AKOS016011827;DS-7038;AC-29196;SY055821;C3205;AC-907/25005304

Chemical Property of 5-Chloro-2,3-diphenylpyrazine

Chemical Property:

• Melting Point: 126-128℃ (methanol )
• Boiling Point: 145°C/0.001mmHg(lit.)
• PKA: -2.16±0.10(Predicted)
• PSA: 25.78000
• Density: 1?+-.0.06 g/cm3(Predicted)
• LogP: 4.46400
• XLogP3: 4.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 2
• Exact Mass: 266.0610761
• Heavy Atom Count: 19
• Complexity: 272

Purity/Quality:

HPLC>99% ^*data from raw suppliers

2-Chloro-5,6-diphenylpyrazine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C2=NC=C(N=C2C3=CC=CC=C3)Cl
• Uses: 2-Chloro-5,6-diphenylpyrazine is a diphenylpyrazine derivative used in a study to determine a novel class of prostacyclin receptor agonists.

Technology Process of 5-Chloro-2,3-diphenylpyrazine

There total 10 articles about 5-Chloro-2,3-diphenylpyrazine 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: 99.2%

5,6-diphenyl-2-hydroxypyrazine (18591-57-6) → 2-chloro-5,6-diphenylpyrazine (41270-66-0)

Guidance literature:

With triethylamine; trichlorophosphate; In toluene; for 12h; Reagent/catalyst; Reflux;

Reference yield: 86.0%

2,6-diphenylpyrazine 1-oxide (61578-13-0) → 2-chloro-5,6-diphenylpyrazine (41270-66-0)

Guidance literature:

With trichlorophosphate; for 0.333333h; Heating;

Reference yield:

2,3-Diphenyl-6-hydroxypyrazine (18591-57-6) → 2-chloro-5,6-diphenylpyrazine (41270-66-0)

Guidance literature:

With trichlorophosphate;

DOI:10.1021/ja01126a070

upstream raw materials:

2,3-Diphenyl-6-hydroxypyrazine

2,6-diphenylpyrazine 1-oxide

2,3-diphenyl-5-trimethylsilanyloxy-pyrazine

5,6-diphenyl-2-hydroxypyrazine

Downstream raw materials:

N-(5,6-Diphenyl-pyrazin-2-yl)-acetamide

N-(5,6-diphenylpyrazin-2-yl)(methyl)amine

2,3-diphenylpyrazine

2-ethyl-5,6-diphenylpyrazine

Refernces

• 1、 -. "A preparation method of a diphenyl pyrazine compound". Paragraph 0052-0054; 0073-0075; 0088; 0092-0094. . Retrieved 2018/10/27.
• 2、 -. "AN IMRPOVED PROCESS FOR THE PREPARATION OF SELEXIPAG OR ITS PHARMACEUTICALLY ACCEPTABLE SALTS". Page/Page column 11. . Retrieved 2017/08/01.