methylene bis(4,4-dimethyl-1,1'-3',1-terphenyl-2'-carboxylate)

Base Information

• Chemical Name: methylene bis(4,4-dimethyl-1,1'-3',1-terphenyl-2'-carboxylate)
• CAS No.: 167500-45-0
• Molecular Formula: C₄₃H₃₆O₄
• Molecular Weight: 616.756
• Mol file: 167500-45-0.mol

Synonyms:methylene bis(4,4-dimethyl-1,1'-3',1-terphenyl-2'-carboxylate)

Chemical Property of methylene bis(4,4-dimethyl-1,1'-3',1-terphenyl-2'-carboxylate)

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of methylene bis(4,4-dimethyl-1,1'-3',1-terphenyl-2'-carboxylate)

There total 3 articles about methylene bis(4,4-dimethyl-1,1'-3',1-terphenyl-2'-carboxylate) 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%

N,N-dimethyl-formamide (68-12-2,33513-42-7) + 4,4-dimethyl[1,1':3',1]terphenyl-2'-carboxylic acid (155186-06-4) + 4,4''-Dimethyl-[1,1';3',1'']terphenyl-2'-carbonyl chloride (167500-05-2) → methylene bis(4,4-dimethyl-1,1'-3',1-terphenyl-2'-carboxylate) (167500-45-0)

Guidance literature:

With sodium hydride; at 65 ℃;

DOI:10.1016/0040-4020(94)01016-S

Reference yield:

para-methylphenylmagnesium bromide (4294-57-9) → methylene bis(4,4-dimethyl-1,1'-3',1-terphenyl-2'-carboxylate) (167500-45-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 1.) THF, reflux, 3 h

2: SOCl₂, 4-5 drops of pyridine / CH₂Cl₂ / 2 h

3: 86 percent / NaH / 65 °C

With pyridine; thionyl chloride; sodium hydride; In dichloromethane;

DOI:10.1016/0040-4020(94)01016-S

Reference yield:

4,4-dimethyl[1,1':3',1]terphenyl-2'-carboxylic acid (155186-06-4) → methylene bis(4,4-dimethyl-1,1'-3',1-terphenyl-2'-carboxylate) (167500-45-0)

Guidance literature:

Multi-step reaction with 2 steps

1: SOCl₂, 4-5 drops of pyridine / CH₂Cl₂ / 2 h

2: 86 percent / NaH / 65 °C

With pyridine; thionyl chloride; sodium hydride; In dichloromethane;

DOI:10.1016/0040-4020(94)01016-S

upstream raw materials:

N,N-dimethyl-formamide

4,4-dimethyl[1,1':3',1]terphenyl-2'-carboxylic acid

4,4''-Dimethyl-[1,1';3',1'']terphenyl-2'-carbonyl chloride

para-methylphenylmagnesium bromide

Downstream raw materials:

C₄₃H₃₂Br₄O₄