ethyl 3-oxo-2-phenyl-2,3,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate

Base Information

Chemical Name:ethyl 3-oxo-2-phenyl-2,3,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate
CAS No.:1351335-20-0
Molecular Formula:C₁₄H₁₄N₄O₃
Molecular Weight:286.29
Hs Code.:

Synonyms:ethyl 3-oxo-2-phenyl-2,3,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate

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Chemical Property of ethyl 3-oxo-2-phenyl-2,3,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate

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Technology Process of ethyl 3-oxo-2-phenyl-2,3,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate

There total 2 articles about ethyl 3-oxo-2-phenyl-2,3,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate 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: 24.0%

: 1290128-74-3
1-tert-butyl 5-ethyl 2-methylsulfanyl-1,4-dihydropyrimidine-1,5-dicarboxylate

: 100-63-0
phenylhydrazine

: 1351335-20-0
ethyl 3-oxo-2-phenyl-2,3,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate

: 1351335-19-7
ethyl 3-((tert-butoxycarbonyl)amino)-2-(N-[(methylthio)(2-phenylhydrazono)methyl]aminomethyl)acrylate

Guidance literature:: With pyridinium p-toluenesulfonate; In dichloromethane; at 20 ℃; for 12h; Inert atmosphere;
DOI:10.1016/j.tetlet.2011.10.130

Reference yield:

: 1108737-66-1
C₈H₁₂N₂O₂S

: 1351335-20-0
ethyl 3-oxo-2-phenyl-2,3,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate

: 1351335-19-7
ethyl 3-((tert-butoxycarbonyl)amino)-2-(N-[(methylthio)(2-phenylhydrazono)methyl]aminomethyl)acrylate

Guidance literature:: Multi-step reaction with 2 steps

1: sodium hydride / Inert atmosphere

2: pyridinium p-toluenesulfonate / dichloromethane / 12 h / 20 °C / Inert atmosphere

With pyridinium p-toluenesulfonate; sodium hydride; In dichloromethane;
DOI:10.1016/j.tetlet.2011.10.130