2,5-dihydroxy-3,6-bis-(4'-hydroxy-biphenyl-4-yloxy)-terephthalic acid diethyl ester

Base Information

• Chemical Name: 2,5-dihydroxy-3,6-bis-(4'-hydroxy-biphenyl-4-yloxy)-terephthalic acid diethyl ester
• CAS No.: 856057-74-4
• Molecular Formula: C₃₆H₃₀O₁₀
• Molecular Weight: 622.628
• Mol file: 856057-74-4.mol

Synonyms:

Chemical Property of 2,5-dihydroxy-3,6-bis-(4'-hydroxy-biphenyl-4-yloxy)-terephthalic acid diethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,5-dihydroxy-3,6-bis-(4'-hydroxy-biphenyl-4-yloxy)-terephthalic acid diethyl ester

There total 2 articles about 2,5-dihydroxy-3,6-bis-(4'-hydroxy-biphenyl-4-yloxy)-terephthalic acid diethyl ester 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:

diethyl 2,5-dibromo-3,6-dihydroxybenzene-1,4-dicarboxylate (181135-51-3) → 2,5-dihydroxy-3,6-bis-(4'-hydroxy-biphenyl-4-yloxy)-terephthalic acid diethyl ester (856057-74-4)

Guidance literature:

Multi-step reaction with 2 steps

1: ethanol; nitric acid

2: acetone; pyridine / Behandeln der Reaktionsloesung mit wss. Natriumdithionit-Loesung

With pyridine; ethanol; nitric acid; acetone;

Reference yield:

4,4'-Dihydroxybiphenyl (92-88-6) + diethyl 2,5-dibromo-3,6-dioxocyclohexa-1,4-diene-1,4-dicarboxylate (63267-02-7) → 2,5-dihydroxy-3,6-bis-(4'-hydroxy-biphenyl-4-yloxy)-terephthalic acid diethyl ester (856057-74-4)

Guidance literature:

With pyridine; acetone; Behandeln der Reaktionsloesung mit wss. Natriumdithionit-Loesung;

Reference yield:

2,5-dihydroxy-3,6-bis-(4'-hydroxy-biphenyl-4-yloxy)-terephthalic acid diethyl ester (856057-74-4) → 6,13-dihydroxy-2,9-bis-(4-hydroxy-phenyl)-chromeno[2,3-b]xanthene-7,14-dione

Guidance literature:

Multi-step reaction with 2 steps

2: benzoyl chloride; sulfuric acid / Erhitzen des Reaktionsprodukts mit Anilin

With sulfuric acid; benzoyl chloride;

upstream raw materials:

4,4'-Dihydroxybiphenyl

diethyl 2,5-dibromo-3,6-dioxocyclohexa-1,4-diene-1,4-dicarboxylate

diethyl 2,5-dibromo-3,6-dihydroxybenzene-1,4-dicarboxylate

Downstream raw materials:

2,5-dihydroxy-3,6-bis-(4'-hydroxy-biphenyl-4-yloxy)-terephthalic acid