ETHYL N-[(5-AMINO-1-PHENYL-1H-PYRAZOL-4-YL)CARBONYL]ETHANEHYDRAZONOATE

Base Information

• Chemical Name: ETHYL N-[(5-AMINO-1-PHENYL-1H-PYRAZOL-4-YL)CARBONYL]ETHANEHYDRAZONOATE
• CAS No.: 99347-10-1
• Molecular Formula: C₁₄H₁₇N₅O₂
• Molecular Weight: 287.321
• Hs Code.: 2933199090
• Mol file: 99347-10-1.mol

Synonyms:ZINC02585583;

Chemical Property of ETHYL N-[(5-AMINO-1-PHENYL-1H-PYRAZOL-4-YL)CARBONYL]ETHANEHYDRAZONOATE

Chemical Property:

• Melting Point: 146-148 °C
• Refractive Index: 1.619
• PSA: 94.53000
• Density: 1.27 g/cm³
• LogP: 2.52630

Purity/Quality:

97% ^*data from raw suppliers

Ethyl N-[(5-amino-1-phenyl-1H-pyrazol-4-yl)-carbonyl]ethanehydrazonoate >95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of ETHYL N-[(5-AMINO-1-PHENYL-1H-PYRAZOL-4-YL)CARBONYL]ETHANEHYDRAZONOATE

There total 3 articles about ETHYL N-[(5-AMINO-1-PHENYL-1H-PYRAZOL-4-YL)CARBONYL]ETHANEHYDRAZONOATE 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: 45.0%

5-amino-1-phenyl-1H-pyrazole-4-carbohydrazide (58046-54-1) + Triethyl orthoacetate (78-39-7) → 5-amino-1,5-dihydro-6-methyl-1-phenyl-4H-pyrazolo<3,4-d>pyrimidin-4-one (64257-07-4) + Ethyl N'-(5-amino-1-phenyl-1H-pyrazol-4-yl)acetohydrazonate (99347-10-1)

Guidance literature:

for 8h; Heating;

Reference yield:

ethyl 5-amino-1-phenyl-1H-pyrazole-4-carboxylate (16078-71-0) → Ethyl N'-(5-amino-1-phenyl-1H-pyrazol-4-yl)acetohydrazonate (99347-10-1)

Guidance literature:

Multi-step reaction with 3 steps

1: 48 percent / TEA / benzene / 1 h / Heating

2: 96 percent / hydrazine hydrate / 2 h / Heating

3: 45 percent / 8 h / Heating

With TEA; hydrazine hydrate; In benzene;

Reference yield:

Ethyl 5-(dibenzoylamino)-1-phenyl-1H-pyrazole-4-carboxylate (99347-02-1) → Ethyl N'-(5-amino-1-phenyl-1H-pyrazol-4-yl)acetohydrazonate (99347-10-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 96 percent / hydrazine hydrate / 2 h / Heating

2: 45 percent / 8 h / Heating

With hydrazine hydrate;

upstream raw materials:

5-amino-1-phenyl-1H-pyrazole-4-carbohydrazide

Triethyl orthoacetate

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

Ethyl 5-(dibenzoylamino)-1-phenyl-1H-pyrazole-4-carboxylate

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