1H-Pyrazole-3,5-dicarboxylic acid, 4-amino-, dimethyl ester

Base Information

• Chemical Name: 1H-Pyrazole-3,5-dicarboxylic acid, 4-amino-, dimethyl ester
• CAS No.: 81303-94-8
• Molecular Formula: C7H9N3O4
• Molecular Weight: 199.166

Synonyms:4-aminopyrazole-3,5-dicarboxylate;4-Amino-1H-pyrazole-3,5-dicarboxylic acid dimethyl ester;

Chemical Property of 1H-Pyrazole-3,5-dicarboxylic acid, 4-amino-, dimethyl ester

Chemical Property:

• Melting Point: 186 - 188 °C
• PSA: 107.30000
• LogP: 0.14630

Purity/Quality:

95% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1H-Pyrazole-3,5-dicarboxylic acid, 4-amino-, dimethyl ester

There total 5 articles about 1H-Pyrazole-3,5-dicarboxylic acid, 4-amino-, dimethyl 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: 95.0%

4-{[1-Phenyl-meth-(E)-ylidene]-amino}-1H-pyrazole-3,5-dicarboxylic acid dimethyl ester (81303-92-6) → 4-amino-3,5-bis(methoxycarbonyl)-1H-pyrazole (81303-94-8) + benzaldehyde (100-52-7)

Guidance literature:

With water;

Reference yield: 17.0%

trimethylsilyl cyanide (7677-24-9) + para-xylene (106-42-3) + 1,2,4,5-tetrazine-3,6-dicarboxylic acid dimethyl ester (2166-14-5) → 4-amino-3,5-bis(methoxycarbonyl)-1H-pyrazole (81303-94-8) + 4-Amino-1-(4-methyl-benzyl)-1H-pyrazole-3,5-dicarboxylic acid dimethyl ester (112394-05-5)

Guidance literature:

for 7h; Yields of byproduct given; Heating;

DOI:10.1016/S0040-4039(00)96064-7

Reference yield: 14.0%

trimethylsilyl cyanide (7677-24-9) + 1,2,4,5-tetrazine-3,6-dicarboxylic acid dimethyl ester (2166-14-5) + m-xylene (108-38-3,104809-90-7) → 4-amino-3,5-bis(methoxycarbonyl)-1H-pyrazole (81303-94-8) + 4-Amino-1-(3-methyl-benzyl)-1H-pyrazole-3,5-dicarboxylic acid dimethyl ester (112394-06-6)

Guidance literature:

for 7h; Yields of byproduct given; Heating;

DOI:10.1016/S0040-4039(00)96064-7

upstream raw materials:

trimethylsilyl cyanide

o-xylene

1,2,4,5-tetrazine-3,6-dicarboxylic acid dimethyl ester

para-xylene

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