2-Ethoxy-5-phenyl-1,3,4-oxadiazole

Base Information

• Chemical Name: 2-Ethoxy-5-phenyl-1,3,4-oxadiazole
• CAS No.: 1134-56-1
• Molecular Formula: C10H10 N2 O2
• Molecular Weight: 190.202
• NSC Number: 257445
• DSSTox Substance ID: DTXSID60312550
• Wikidata: Q82063178
• Mol file: 1134-56-1.mol

Synonyms:2-Ethoxy-5-phenyl-1,3,4-oxadiazole;1134-56-1;NSC 257445;NSC257445;DTXSID60312550;2-Phenyl-5-ethoxy-oxadiazole-1,3,4;NSC-257445;2-Ethoxy-5-phenyl-1,3,4-oxadiazole #

Chemical Property of 2-Ethoxy-5-phenyl-1,3,4-oxadiazole

Chemical Property:

• Vapor Pressure: 0.00275mmHg at 25°C
• Boiling Point: 295°Cat760mmHg
• Flash Point: 132.2°C
• Density: 1.156g/cm³
• XLogP3: 2.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 3
• Exact Mass: 190.074227566
• Heavy Atom Count: 14
• Complexity: 172

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCOC1=NN=C(O1)C2=CC=CC=C2

Technology Process of 2-Ethoxy-5-phenyl-1,3,4-oxadiazole

There total 16 articles about 2-Ethoxy-5-phenyl-1,3,4-oxadiazole 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: 69.0%

1-bromo-1-phenyl-nitromethane (42157-97-1) + ethylhydrazine carboxylate (4114-31-2) → 5-Phenyl-2-ethoxy-1,3,4-oxadiazole (1134-56-1)

Guidance literature:

With urea hydrogen peroxide adduct; potassium carbonate; potassium iodide; In 1,2-dimethoxyethane; water; at 20 ℃; for 2h;

DOI:10.1039/c7sc00195a

Reference yield: 67.0%

orthocarbonic acid tetraethyl ester (78-09-1) + benzoic acid hydrazide (613-94-5) → 5-Phenyl-2-ethoxy-1,3,4-oxadiazole (1134-56-1)

Guidance literature:

Heating; heating;

Reference yield: 65.0%

Benzoylformic acid (611-73-4) + ethylhydrazine carboxylate (4114-31-2) → 5-Phenyl-2-ethoxy-1,3,4-oxadiazole (1134-56-1)

Guidance literature:

With tetrabutylammonium acetate; In methanol; at 20 ℃; for 3h; Electrochemical reaction; Inert atmosphere;

DOI:10.1002/ejoc.202000311

upstream raw materials:

2-oxo-5-phenyl-2λ⁴-[1,2,3,4]oxathiadiazole-3-carboxylic acid ethyl ester

5-phenyl-3H-[1,3,4]oxadiazol-2-one

ethyl iodide

N-benzoyl-N'-ethoxycarbonyl hydrazine

Downstream raw materials:

2,5-bis-(phenyl)-1,3,4-oxadiazole

4-benzyl-2-phenyl-Δ²-1,3,4-oxadiazolin-5-one

5-phenyl-3H-[1,3,4]oxadiazol-2-one

2-phenyl-4-ethyl-1,3,4-oxadiazol-5(4H)-one