7-Methyl-1,8-naphthyridin-4(1H)-one

Base Information

• Chemical Name: 7-Methyl-1,8-naphthyridin-4(1H)-one
• CAS No.: 49655-73-4
• Molecular Formula: C9H8N2O
• Molecular Weight: 160.175
• Hs Code.: 2933990090
• European Community (EC) Number: 256-413-3
• DSSTox Substance ID: DTXSID50197954
• Nikkaji Number: J319.995I
• ChEMBL ID: CHEMBL103553
• Mol file: 49655-73-4.mol

Synonyms:7-methyl-1,8-naphthyridin-4-ol;7-Methyl-1,8-naphthyridin-4(1H)-one;1569-18-2;49655-73-4;7-methyl-1H-1,8-naphthyridin-4-one;EINECS 256-413-3;CHEMBL103553;7-Methyl-[1,8]naphthyridin-4-ol;7-Methyl-8H-1,8-naphthyridin-4-one;SCHEMBL2025555;SCHEMBL8039008;DTXSID50197954;BAA56918;BDBM50147870;7-Methyl[1,8]naphthyridin-4-ol #;AKOS006290519;4-Hydroxy-7-methyl-1,8-naphthylidine;FT-0749245;EN300-141778;A926883;F2124-0997;Z1198180960

Chemical Property of 7-Methyl-1,8-naphthyridin-4(1H)-one

Chemical Property:

• Vapor Pressure: 0.000945mmHg at 25°C
• Boiling Point: 303.2°C at 760 mmHg
• Flash Point: 137.2°C
• PSA: 46.01000
• Density: 1.217g/cm³
• LogP: 1.64380
• XLogP3: 1.2
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 160.063662883
• Heavy Atom Count: 12
• Complexity: 225

Purity/Quality:

99% ^*data from raw suppliers

7-methyl-1,8-Naphthyridin-4(1H)-one 97.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=NC2=C(C=C1)C(=O)C=CN2

Technology Process of 7-Methyl-1,8-naphthyridin-4(1H)-one

There total 17 articles about 7-Methyl-1,8-naphthyridin-4(1H)-one 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: 76.0%

1-benzyl-7-methyl-1,8-naphthyridin-4(1H)-one (49655-88-1) → 7-methyl[1,8]naphthyridin-4(1H)-one (49655-73-4)

Guidance literature:

With ammonium formate; palladium dihydroxide; In methanol;

DOI:10.1016/S0960-894X(02)00026-4

Reference yield: 48.0%

diethyl 2-{[(6-methyl-2-pyridyl)amino]methylene}propane-1,3-dioate (13250-95-8) → 7-methyl[1,8]naphthyridin-4(1H)-one (49655-73-4)

Guidance literature:

In tetrahydrofuran; water; at 390 ℃; under 90009 Torr;

DOI:10.1021/acs.joc.6b02520

Reference yield:

2-Amino-6-methylpyridine (1824-81-3) → 7-methyl[1,8]naphthyridin-4(1H)-one (49655-73-4)

Guidance literature:

Multi-step reaction with 7 steps

1: 91 percent / xylene / 135 °C

2: 48 percent / diphenyl ether / 230 °C

3: KOH / ethanol

4: K₂CO₃ / dimethylformamide

5: NaOH / ethanol

6: 78 percent / KCN / dimethylsulfoxide / 100 °C

7: 76 percent / HCOONH₄ / Pd(OH)2 / methanol

With potassium cyanide; potassium hydroxide; sodium hydroxide; ammonium formate; potassium carbonate; palladium dihydroxide; In methanol; diphenylether; ethanol; dimethyl sulfoxide; N,N-dimethyl-formamide; xylene;

DOI:10.1016/S0960-894X(02)00026-4

upstream raw materials:

1,4-Dihydro-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid

1-benzyl-7-methyl-1,8-naphthyridin-4(1H)-one

2-Amino-6-methylpyridine

ethyl 7-methyl-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylate

Downstream raw materials:

7-methyl-3-phenyl[1,8]naphthyridin-4(1H)-one