C₂₀H₁₆N₆OS

Base Information

• Chemical Name: C₂₀H₁₆N₆OS
• CAS No.: 641570-12-9
• Molecular Formula: C₂₀H₁₆N₆OS
• Molecular Weight: 388.453
• Mol file: 641570-12-9.mol

Synonyms:C₂₀H₁₆N₆OS

Chemical Property of C₂₀H₁₆N₆OS

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of C₂₀H₁₆N₆OS

There total 7 articles about C₂₀H₁₆N₆OS 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:

3-amino-4-methylbenzoic acid ethyl ester (41191-92-8) → C20H16N6OS (641570-12-9)

Guidance literature:

Multi-step reaction with 6 steps

1: hydrogenchloride / ethanol; water / 15 h / Reflux

2: ammonium nitrate / 0.5 h / 0 °C

3: sodium hydroxide / butan-1-ol / 72 h / Reflux; Inert atmosphere

4: sodium hydroxide / ethanol; water / 4 h / 45 - 50 °C

5: thionyl chloride / N,N-dimethyl-formamide / 1.5 h / Reflux

6: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 0 - 20 °C

With ammonium nitrate; hydrogenchloride; dmap; thionyl chloride; N-ethyl-N,N-diisopropylamine; sodium hydroxide; In ethanol; dichloromethane; water; N,N-dimethyl-formamide; butan-1-ol;

DOI:10.1111/cbdd.12272

Reference yield:

3-amino-p-toluic acid (2458-12-0) → C20H16N6OS (641570-12-9)

Guidance literature:

Multi-step reaction with 7 steps

1: sulfuric acid / 12 h / Reflux; Inert atmosphere

2: hydrogenchloride / ethanol; water / 15 h / Reflux

3: ammonium nitrate / 0.5 h / 0 °C

4: sodium hydroxide / butan-1-ol / 72 h / Reflux; Inert atmosphere

5: sodium hydroxide / ethanol; water / 4 h / 45 - 50 °C

6: thionyl chloride / N,N-dimethyl-formamide / 1.5 h / Reflux

7: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 0 - 20 °C

With ammonium nitrate; hydrogenchloride; dmap; thionyl chloride; sulfuric acid; N-ethyl-N,N-diisopropylamine; sodium hydroxide; In ethanol; dichloromethane; water; N,N-dimethyl-formamide; butan-1-ol;

DOI:10.1111/cbdd.12272

Reference yield:

3-guanidino-4-methylbenzoic acid ethyl ester nitrate (641569-96-2) → C20H16N6OS (641570-12-9)

Guidance literature:

Multi-step reaction with 4 steps

1: sodium hydroxide / butan-1-ol / 72 h / Reflux; Inert atmosphere

2: sodium hydroxide / ethanol; water / 4 h / 45 - 50 °C

3: thionyl chloride / N,N-dimethyl-formamide / 1.5 h / Reflux

4: N-ethyl-N,N-diisopropylamine; dmap / dichloromethane / 0 - 20 °C

With dmap; thionyl chloride; N-ethyl-N,N-diisopropylamine; sodium hydroxide; In ethanol; dichloromethane; water; N,N-dimethyl-formamide; butan-1-ol;

DOI:10.1111/cbdd.12272

upstream raw materials:

3-amino-p-toluic acid

3-amino-4-methylbenzoic acid ethyl ester

3-guanidino-4-methylbenzoic acid ethyl ester nitrate

4-methyl-3-[[4-(3-pyridyl)-2-pyrimidinyl]amino]benzoic acid ethyl ester