1,2,5-Oxadiazole, 3,4-bis(4-chlorophenyl)-, 2-oxide

Base Information

• Chemical Name: 1,2,5-Oxadiazole, 3,4-bis(4-chlorophenyl)-, 2-oxide
• CAS No.: 26218-72-4
• Molecular Formula: C14H8Cl2N2O2
• Molecular Weight: 307.136

Synonyms:3,4-bis(4-chlorophenyl)furoxan;3,4-di-(4-chlorophenyl)furoxan;3,4-bis-(4-chloro-phenyl)-furazan 2-oxide;3,4-Bis-(p-chlorphenyl)-1,2,5-oxadiazol-5-oxid;1,2,5-Oxadiazole,3,4-bis(4-chlorophenyl)-,2-oxide;3,4-di(4-chlorphenyl)furoxane;3,4-bis(p-chlorophenyl)furoxan;

Chemical Property of 1,2,5-Oxadiazole, 3,4-bis(4-chlorophenyl)-, 2-oxide

Chemical Property:

• Melting Point: 180-181 °C
• Boiling Point: 426.3±55.0 °C(Predicted)
• PSA: 51.49000
• Density: 1.45±0.1 g/cm3(Predicted)
• LogP: 4.74390

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,2,5-Oxadiazole, 3,4-bis(4-chlorophenyl)-, 2-oxide

There total 23 articles about 1,2,5-Oxadiazole, 3,4-bis(4-chlorophenyl)-, 2-oxide 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: 86.0%

4,4'-dichlorobenzil dioxime (23766-37-2) → 3,4-bis-(4-chloro-phenyl)-furazan 2-oxide (26218-72-4)

Guidance literature:

With [bis(acetoxy)iodo]benzene; In dichloromethane; at 25 ℃; for 0.75h; Schlenk technique;

DOI:10.1039/d1nj05510k

Reference yield: 77.0%

4-chlorobenzohydroximoyl chloride (28123-63-9) → 3,4-bis-(4-chloro-phenyl)-furazan 2-oxide (26218-72-4) + 3-(4-chlorophenyl)-5-methyl-5-isopropylazo-Δ2-isoxazoline (83990-45-8)

Guidance literature:

With triethylamine; 1-isopropyl-3-methyl-1,2-diaza-1,3-butadiene; In diethyl ether; for 4h; Ambient temperature;

Reference yield: 52.0%

5,6-dideoxy-1,2-O-isopropylidene-α-D-xylo-hex-5-eno-furanose (7284-07-3) + 4-chlorobenzohydroximoyl chloride (28123-63-9) → 3,4-bis-(4-chloro-phenyl)-furazan 2-oxide (26218-72-4) + 3-(4-chlorophenyl)-5-(1,2-O-isopropylidene-α-D-xylo-tetrafuranos-4-yl)-2-isoxazoline (138535-68-9) + (3aR,5S,6S,6aR)-5-[(S)-3-(4-Chloro-phenyl)-4,5-dihydro-isoxazol-5-yl]-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-6-ol (138535-68-9)

Guidance literature:

With triethylamine; In diethyl ether; Ambient temperature;

DOI:10.1016/0008-6215(91)84091-R

upstream raw materials:

4-chlorobenzohydroximoyl chloride

4-chlorobenzonitrile N-oxide

4-chlorobenzaldoxime

pyridine

Downstream raw materials:

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

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