tetraethyl (3,6-dichloro-1,4-benzoquinone-2,5-diyl)dimalonate

Base Information

• Chemical Name: tetraethyl (3,6-dichloro-1,4-benzoquinone-2,5-diyl)dimalonate
• CAS No.: 143810-02-0
• Molecular Formula: C₂₀H₂₂Cl₂O₁₀
• Molecular Weight: 493.295
• Mol file: 143810-02-0.mol

Synonyms:tetraethyl (3,6-dichloro-1,4-benzoquinone-2,5-diyl)dimalonate

Chemical Property of tetraethyl (3,6-dichloro-1,4-benzoquinone-2,5-diyl)dimalonate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of tetraethyl (3,6-dichloro-1,4-benzoquinone-2,5-diyl)dimalonate

There total 2 articles about tetraethyl (3,6-dichloro-1,4-benzoquinone-2,5-diyl)dimalonate 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:

chloranil (118-75-2) + diethyl malonate (105-53-3) → tetraethyl (3,6-dichloro-1,4-benzoquinone-2,5-diyl)dimalonate (143810-02-0) + tetraethyl (3,5-dichloro-1,4-benzoquinone-2,6-diyl)dimalonate (143810-01-9) + hexaethyl (6-chloro-1,4-benzoquinone-2,3,5-triyl)trimalonate (143810-03-1)

Guidance literature:

With sodium hydride; Yield given. Multistep reaction. Yields of byproduct given; 1.) DMF, 4.5 h, 2.) DMF, 1 h;

DOI:10.1246/bcsj.65.1794

Reference yield:

(2,5-dichloro-3,6-dihydroxy-p-phenylene)-di-malonic acid tetraethyl ester + iron(III) chloride (7705-08-0) → tetraethyl (3,6-dichloro-1,4-benzoquinone-2,5-diyl)dimalonate (143810-02-0)

Guidance literature:

Reference yield:

tetraethyl (3,6-dichloro-1,4-benzoquinone-2,5-diyl)dimalonate (143810-02-0) + furan-2,3,5(4H)-trione pyridine (1:1) → 2,5-dihydroxy-1,4-benzoquinone (615-94-1)

Guidance literature:

upstream raw materials:

chloranil

diethyl malonate

iron(III) chloride

Downstream raw materials:

2-chloro-5-hydroxy-1,4-benzoquinone

2,5-dihydroxy-1,4-benzoquinone