2,6,8-trimethyl-5-phenyl[1,3]oxazolo[5',4':4,5]pyrido[2,3-d]pyrimidine-4,7,9(5H,6H,8H)-trione

Base Information

• Chemical Name: 2,6,8-trimethyl-5-phenyl[1,3]oxazolo[5',4':4,5]pyrido[2,3-d]pyrimidine-4,7,9(5H,6H,8H)-trione
• CAS No.: 685892-69-7
• Molecular Formula: C₁₇H₁₄N₄O₄
• Molecular Weight: 338.323
• Mol file: 685892-69-7.mol

Synonyms:2,6,8-trimethyl-5-phenyl[1,3]oxazolo[5',4':4,5]pyrido[2,3-d]pyrimidine-4,7,9(5H,6H,8H)-trione

Chemical Property of 2,6,8-trimethyl-5-phenyl[1,3]oxazolo[5',4':4,5]pyrido[2,3-d]pyrimidine-4,7,9(5H,6H,8H)-trione

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,6,8-trimethyl-5-phenyl[1,3]oxazolo[5',4':4,5]pyrido[2,3-d]pyrimidine-4,7,9(5H,6H,8H)-trione

There total 1 articles about 2,6,8-trimethyl-5-phenyl[1,3]oxazolo[5',4':4,5]pyrido[2,3-d]pyrimidine-4,7,9(5H,6H,8H)-trione 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: 86.0%

5-hydroxy-1,3-dimethyl-6-nitro-8-phenylpyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione (685893-92-9) + acetic anhydride (108-24-7) → 2,6,8-trimethyl-5-phenyl[1,3]oxazolo[5',4':4,5]pyrido[2,3-d]pyrimidine-4,7,9(5H,6H,8H)-trione (685892-69-7)

Guidance literature:

With zinc; In acetic acid; for 12h; Reflux;

DOI:10.1002/jhet.5570450517

Reference yield: 95.0%

2,6,8-trimethyl-5-phenyl[1,3]oxazolo[5',4':4,5]pyrido[2,3-d]pyrimidine-4,7,9(5H,6H,8H)-trione (685892-69-7) → 6-amino-5-hydroxy-1,3,8-trimethylpyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione hydrochloride (1078574-73-8)

Guidance literature:

With hydrogenchloride; In ethanol; water; for 8h; Reflux;

DOI:10.1002/jhet.5570450517

Reference yield: 65.0%

2,6,8-trimethyl-5-phenyl[1,3]oxazolo[5',4':4,5]pyrido[2,3-d]pyrimidine-4,7,9(5H,6H,8H)-trione (685892-69-7) → N-(5-hydroxy-1,3-dimethyl-2,4,7-trioxo-8-phenyl-1,2,3,4,7,8-hexahydropyrido[2,3-d]pyrimidin-6-yl)acetamide (685894-13-7) + 6-amino-5-hydroxy-1,3-dimethyl-1,8-phenylpyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione hydrochloride (1078574-76-1)

Guidance literature:

With hydrogenchloride; In ethanol; water; for 1h; Reflux;

DOI:10.1002/jhet.5570450517

upstream raw materials:

5-hydroxy-1,3-dimethyl-6-nitro-8-phenylpyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione

acetic anhydride

Downstream raw materials:

N-(5-hydroxy-1,3-dimethyl-2,4,7-trioxo-8-phenyl-1,2,3,4,7,8-hexahydropyrido[2,3-d]pyrimidin-6-yl)acetamide

6-amino-5-hydroxy-1,3-dimethyl-1,8-phenylpyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione hydrochloride

6-amino-5-hydroxy-1,3,8-trimethylpyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione hydrochloride