ETHYL 5-(2-FURYL)-1H-PYRAZOLE-3-CARBOXYLATE

Base Information

• Chemical Name: ETHYL 5-(2-FURYL)-1H-PYRAZOLE-3-CARBOXYLATE
• CAS No.: 34020-22-9
• Molecular Formula: C₁₀H₁₀N₂O₃
• Molecular Weight: 206.201
• Hs Code.: 2934999090
• Mol file: 34020-22-9.mol

Synonyms:ETHYL 5-(2-FURYL)-1H-PYRAZOLE-3-CARBOXYLATE;Ethyl 5-fur-2-yl-1H-pyrazole-3-carboxylate;Ethyl 5-fur-2-yl-1H-pyrazole-3-carboxylate 97%

Chemical Property of ETHYL 5-(2-FURYL)-1H-PYRAZOLE-3-CARBOXYLATE

Chemical Property:

• Vapor Pressure: 9.53E-07mmHg at 25°C
• Melting Point: 137-138 °C
• Refractive Index: 1.55
• Boiling Point: 404.3 °C at 760 mmHg
• Flash Point: 198.3 °C
• PSA: 68.12000
• Density: 1.261 /cm³
• LogP: 1.84640

Purity/Quality:

98%min ^*data from raw suppliers

ethyl5-(furan-2-yl)-1H-pyrazole-3-carboxylate ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of ETHYL 5-(2-FURYL)-1H-PYRAZOLE-3-CARBOXYLATE

There total 3 articles about ETHYL 5-(2-FURYL)-1H-PYRAZOLE-3-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:

ethyl 4-(furan-2-yl)-2,4-dioxobutyrate (36983-35-4) → ethyl 5-(furan-2-yl)-1H-pyrazole-3-carboxylate (34020-22-9)

Guidance literature:

With hydrazine hydrate; acetic acid;

Reference yield:

1-(2-furyl)-1-ethanone (1192-62-7,80145-44-4) → ethyl 5-(furan-2-yl)-1H-pyrazole-3-carboxylate (34020-22-9)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium; diethyl ether

2: acetic acid; N₂H₄+H₂O

With diethyl ether; sodium; hydrazine hydrate; acetic acid;

Reference yield:

ethyl 4-(furan-2-yl)-2,4-dioxobutyrate (36983-35-4) + ethanol (64-17-5) + hydrazine hydrate (7803-57-8,79785-97-0) + acetic acid (64-19-7,77671-22-8) → ethyl 5-(furan-2-yl)-1H-pyrazole-3-carboxylate (34020-22-9)

Guidance literature:

upstream raw materials:

ethyl 4-(furan-2-yl)-2,4-dioxobutyrate

ethanol

hydrazine hydrate

acetic acid

Downstream raw materials:

5-ethoxycarbonyl-3-(2-furyl)-1-methylpyrazole

5-(furan-2-yl)-1H-pyrazole-3-carboxylic acid

5-[2]furyl-1-phenyl-1H-pyrazole

5-[2]furyl-1-phenyl-1H-pyrazole-3-carboxylic acid