(5-oxo-1,3-diphenyl-1,5-dihydro-[1,2,4]triazol-4-yl)-carbamic acid ethyl ester

Base Information

• Chemical Name: (5-oxo-1,3-diphenyl-1,5-dihydro-[1,2,4]triazol-4-yl)-carbamic acid ethyl ester
• CAS No.: 18196-59-3
• Molecular Formula: C₁₇H₁₆N₄O₃
• Molecular Weight: 324.339

Synonyms:(5-oxo-1,3-diphenyl-1,5-dihydro-[1,2,4]triazol-4-yl)-carbamic acid ethyl ester

Chemical Property of (5-oxo-1,3-diphenyl-1,5-dihydro-[1,2,4]triazol-4-yl)-carbamic acid ethyl ester

Chemical Property:

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Technology Process of (5-oxo-1,3-diphenyl-1,5-dihydro-[1,2,4]triazol-4-yl)-carbamic acid ethyl ester

There total 3 articles about (5-oxo-1,3-diphenyl-1,5-dihydro-[1,2,4]triazol-4-yl)-carbamic acid ethyl ester 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: 97.0%

diethyl 1-(phenyl(2-phenylhydrazono)methyl)hydrazine-1,2-dicarboxylate (18196-37-7) → (5-oxo-1,3-diphenyl-1,5-dihydro-[1,2,4]triazol-4-yl)-carbamic acid ethyl ester (18196-59-3)

Guidance literature:

With trifluoroacetic acid; In methanol; at 50 ℃; for 1.5h;

DOI:10.1016/j.tet.2010.01.087

Reference yield: 95.0%

N-(α-phenylazo-benzyl)-hydrazine-N,N'-dicarboxylic acid diethyl ester (6002-64-8) → (5-oxo-1,3-diphenyl-1,5-dihydro-[1,2,4]triazol-4-yl)-carbamic acid ethyl ester (18196-59-3)

Guidance literature:

With trifluoroacetic acid; In methanol; at 50 ℃; for 1.5h;

DOI:10.1016/j.tet.2010.01.087

Reference yield:

→ (5-oxo-1,3-diphenyl-1,5-dihydro-[1,2,4]triazol-4-yl)-carbamic acid ethyl ester (18196-59-3)

Guidance literature:

N,N'-Bis-aethoxycarbonyl-α-phenylhydrazono-benzylhydrazin in h. A. und wss. KOH;

upstream raw materials:

N-(α-phenylazo-benzyl)-hydrazine-N,N'-dicarboxylic acid diethyl ester

diethyl 1-(phenyl(2-phenylhydrazono)methyl)hydrazine-1,2-dicarboxylate

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