5-Methyl-3-oxo-3,4-dihydropyrazine-2-carboxamide

Base Information

• Chemical Name: 5-Methyl-3-oxo-3,4-dihydropyrazine-2-carboxamide
• CAS No.: 88394-05-2
• Molecular Formula: C6H7 N3 O2
• Molecular Weight: 153.14
• Hs Code.: 2934999090
• NSC Number: 157781
• DSSTox Substance ID: DTXSID30303298
• Wikidata: Q72465594
• Mol file: 88394-05-2.mol

Synonyms:5-methyl-3-oxo-3,4-dihydropyrazine-2-carboxamide;88394-05-2;3-Hydroxy-5-methylpyrazine-2-carboxamide;6-methyl-2-oxo-1H-pyrazine-3-carboxamide;NSC157781;SCHEMBL9592586;SCHEMBL20399747;DTXSID30303298;FYFRUDVATNMIGT-UHFFFAOYSA-N;MFCD20040391;AKOS037646318;NSC-157781;5-methyl-3-hydroxypyrazine-2-carboxamide;AS-68130;CS-0061085;W17787;A905697;5-Methyl-3-oxo-3,4-dihydro-pyrazine-2-carboxylic acid amide

Chemical Property of 5-Methyl-3-oxo-3,4-dihydropyrazine-2-carboxamide

Chemical Property:

• Vapor Pressure: 9.15E-12mmHg at 25°C
• Melting Point: 219-220℃
• Boiling Point: 528°C at 760 mmHg
• PKA: 10.75±0.60(Predicted)
• Flash Point: 273.1°C
• PSA: 88.84000
• Density: 1.52
• LogP: -0.12250
• XLogP3: -0.5
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 153.053826475
• Heavy Atom Count: 11
• Complexity: 278

Purity/Quality:

99% ^*data from raw suppliers

5-Methyl-3-oxo-3,4-dihydropyrazine-2-carboxamide 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CN=C(C(=O)N1)C(=O)N

Technology Process of 5-Methyl-3-oxo-3,4-dihydropyrazine-2-carboxamide

There total 5 articles about 5-Methyl-3-oxo-3,4-dihydropyrazine-2-carboxamide 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: 78.0%

2-aminopropanediamide (62009-47-6) + 2-oxopropanal (78-98-8) → 3-carboxamido-2-hydroxy-6-methylpyrazine (88394-05-2)

Guidance literature:

With sodium hydroxide; In water; at 5 ℃; for 6h; Temperature;

Reference yield: 36.0%

2-aminopropanediamide (62009-47-6) + 2-oxopropanal (78-98-8) → 5-methyl-3-oxo-3,4-dihydropyrazine-2-carboxamide (88394-05-2)

Guidance literature:

2-oxopropanal; With sodium hydrogensulfite; sodium hydroxide; In water; at 80 ℃; for 1h;

2-aminopropanediamide; In water; at 80 ℃; for 2h;

With dihydrogen peroxide; sodium acetate; In water; at 20 - 65 ℃;

Reference yield:

2-oxopropanal (78-98-8) → 5-methyl-3-oxo-3,4-dihydropyrazine-2-carboxamide (88394-05-2)

Guidance literature:

With water; sodium hydrogensulfite; anschliessend mit Aminomalonsaeure-diamid;

DOI:10.1039/jr9550001379 DOI:10.1021/ja01582a066

upstream raw materials:

2-aminopropanediamide

2-oxopropanal

Downstream raw materials:

3-amino-6-methyl-2(1H)-pyrazinone

5-methyl-3-oxo-3,4-dihydro-pyrazine-2-carboxylic acid

2-methylpyrazin-5-carboxylic acid

2-Hydroxy-6-methylpyrazine-3-carboxylic acid

Refernces

• 1、 -. "Synthesis process of 2-methyl-5-pyrazinecarboxylic acid". Paragraph 0064-0066; 0073-0075; 0087-0089; 0096-0098. . Retrieved 2019/03/08.
• 2、 -. "THIENOPYRAZINE CARBOXAMIDES AS UBIQUITIN-SPECIFIC PROTEASE INHIBITORS". Paragraph 00248. . Retrieved 2017/09/05.