3,4-dichloro-5-(dichloromethylidene)furan-2(5H)-one

Base Information

• Chemical Name: 3,4-dichloro-5-(dichloromethylidene)furan-2(5H)-one
• CAS No.: 31555-54-1
• Molecular Formula: C₅Cl₄O₂
• Molecular Weight: 233.866
• Mol file: 31555-54-1.mol

Synonyms:2,4-Pentadienoicacid, 2,3,5,5-tetrachloro-4-hydroxy-, lactone (6CI); 2,4-Pentadienoic acid,2,3,5,5-tetrachloro-4-hydroxy-, g-lactone (7CI); 2,3,5,5-Tetrachloroprotoanemonin

Chemical Property of 3,4-dichloro-5-(dichloromethylidene)furan-2(5H)-one

Chemical Property:

• Vapor Pressure: 3.35mmHg at 25°C
• Boiling Point: 153.4°Cat760mmHg
• Flash Point: 49.1°C
• Density: 1.81g/cm³

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3,4-dichloro-5-(dichloromethylidene)furan-2(5H)-one

There total 3 articles about 3,4-dichloro-5-(dichloromethylidene)furan-2(5H)-one 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: 15.0%

3,4-Dichloro-5-(dichloromethyl)-5-hydroxy-2-furanone (108082-06-0) → Perchlor-protoanemonin (31555-54-1)

Guidance literature:

With sulfur trioxide; at 120 ℃; for 0.666667h;

DOI:10.1021/es00007a022

Reference yield:

heptachloro-5-oxo-hex-3-enoic acid (101205-16-7) + sulfuric acid (7664-93-9) → Perchlor-protoanemonin (31555-54-1)

Guidance literature:

Reference yield:

→ Perchlor-protoanemonin (31555-54-1)

Guidance literature:

2,3,4,5,5-Pentachlor-5-brom-penten-(2)-olid-(4,1), Al (Spaene)/AlCl3/warm. Ae.;

upstream raw materials:

3,4-Dichloro-5-(dichloromethyl)-5-hydroxy-2-furanone

heptachloro-5-oxo-hex-3-enoic acid

sulfuric acid