ethyl 4-amino-1H-pyrazole-5-carboxylate

Base Information

• Chemical Name: ethyl 4-amino-1H-pyrazole-5-carboxylate
• CAS No.: 55904-61-5
• Molecular Formula: C6H9N3O2
• Molecular Weight: 155.15
• Hs Code.: 2933199090
• European Community (EC) Number: 827-301-7
• DSSTox Substance ID: DTXSID40971321
• Wikidata: Q82954789
• Mol file: 55904-61-5.mol

Synonyms:ethyl 4-amino-1H-pyrazole-5-carboxylate;55904-61-5;Ethyl 4-amino-1H-pyrazole-3-carboxylate;1119477-69-8;4-AMINO-1H-PYRAZOLE-3-CARBOXYLIC ACID ETHYL ESTER;4-Amino-2H-pyrazole-3-carboxylic acid ethyl ester;MFCD06739331;4-AMINO-2 H-PYRAZOLE-3-CARBOXYLIC ACID ETHYL ESTER;ethyl 4-aminopyrazole-3-carboxylate;SCHEMBL953967;SCHEMBL15491849;DTXSID40971321;AMY38659;AKOS000312661;AKOS002160466;AB25363;FS-1929;Ethyl4-amino-1H-pyrazole-3-carboxylate;SY109595;BB 0253275;CS-0101730;FT-0731974;EN300-230378;4-amino-1H-pyrazole-5-carboxylic acid ethyl ester;Z1198168984

Chemical Property of ethyl 4-amino-1H-pyrazole-5-carboxylate

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Boiling Point: 349.159ºC at 760 mmHg
• PKA: 14.74±0.50(Predicted)
• Flash Point: 164.966ºC
• PSA: 81.00000
• Density: 1.319g/cm3
• LogP: 0.74980
• XLogP3: 0.6
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 3
• Exact Mass: 155.069476538
• Heavy Atom Count: 11
• Complexity: 151

Purity/Quality:

97% ^*data from raw suppliers

ethyl4-amino-1H-pyrazole-5-carboxylate ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCOC(=O)C1=C(C=NN1)N

Technology Process of ethyl 4-amino-1H-pyrazole-5-carboxylate

There total 2 articles about ethyl 4-amino-1H-pyrazole-5-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: 98.0%

4-nitro-1H-pyrazole-3-carboxylic acid ethyl ester (55864-87-4) → 4-amino-1H-pyrazole-3-carboxylic acid ethyl ester (55904-61-5)

Guidance literature:

With hydrogen; palladium 10% on activated carbon; In ethanol; for 20h;

Reference yield:

→ 4-amino-1H-pyrazole-3-carboxylic acid ethyl ester (55904-61-5)

Guidance literature:

3-Carbethoxy-4-nitropyrazol, H2, Pd/C;

DOI:10.1021/jo00907a027

Reference yield:

2,6-Dichlorobenzoyl chloride (4659-45-4) + 4-amino-1H-pyrazole-3-carboxylic acid ethyl ester (55904-61-5) → 4-(2,6-dichlorobenzamido)-1H-pyrazole-3-carboxylic acid (825619-04-3)

Guidance literature:

2,6-Dichlorobenzoyl chloride; 4-amino-1H-pyrazole-3-carboxylic acid ethyl ester; With triethylamine; In 1,4-dioxane; at 50 ℃;

With sodium hydroxide; water; In 1,4-dioxane; at 50 ℃; for 6h;

With hydrogenchloride; In water; pH=3;

upstream raw materials:

4-nitro-1H-pyrazole-3-carboxylic acid ethyl ester

Downstream raw materials:

5-(5-benzoyloxymethyl-furan-2-yl)-1⁽²⁾,6-dihydro-pyrazolo[4,3-d]pyrimidin-7-one

5-(O⁵-benzoyl-β-D-ribofuranosyl)-1(2),6-dihydro-pyrazolo[4,3-d]pyrimidin-7-one

5-(O⁵-benzoyl-α-D-ribofuranosyl)-1(2),6-dihydro-pyrazolo[4,3-d]pyrimidin-7-one

pyrazolo<4,3-d>pyrimidin-7-one