4-(4,4'-diethyl-3-3',5,5'-tetramethyldipyrromethene)benzoic acid

Base Information

• Chemical Name: 4-(4,4'-diethyl-3-3',5,5'-tetramethyldipyrromethene)benzoic acid
• CAS No.: 1218921-97-1
• Molecular Formula: C₂₄H₂₈N₂O₂
• Molecular Weight: 376.499
• Mol file: 1218921-97-1.mol

Synonyms:4-(4,4'-diethyl-3-3',5,5'-tetramethyldipyrromethene)benzoic acid

Chemical Property of 4-(4,4'-diethyl-3-3',5,5'-tetramethyldipyrromethene)benzoic acid

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

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Technology Process of 4-(4,4'-diethyl-3-3',5,5'-tetramethyldipyrromethene)benzoic acid

There total 2 articles about 4-(4,4'-diethyl-3-3',5,5'-tetramethyldipyrromethene)benzoic acid 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: 99.0%

4-(4,4'-diethyl-3-3',5,5'-tetramethyldipyrromethene)benzoic acid methyl ester (1218921-98-2) → 4-(4,4'-diethyl-3-3',5,5'-tetramethyldipyrromethene)benzoic acid (1218921-97-1)

Guidance literature:

With lithium hydroxide; In tetrahydrofuran; water; at 40 ℃; for 20h; Inert atmosphere;

DOI:10.1016/j.tetlet.2009.12.126

Reference yield:

2,4-dimethyl-3-ethyl-pyrrole (517-22-6) + 4-Carboxybenzaldehyde (619-66-9) → 4-(4,4'-diethyl-3-3',5,5'-tetramethyldipyrromethene)benzoic acid (1218921-97-1)

Guidance literature:

With trifluoroacetic acid; In dichloromethane; at 20 ℃;

DOI:10.1016/j.jinorgbio.2019.110781

Reference yield: 70.0%

4-(4,4'-diethyl-3-3',5,5'-tetramethyldipyrromethene)benzoic acid (1218921-97-1) → 4,4-difluoro-8-(4-carboxyphenyl)-1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s-indacene acid

Guidance literature:

With boron trifluoride diethyl etherate; triethylamine; In toluene; at 80 ℃; for 0.75h; Inert atmosphere;

DOI:10.1016/j.tetlet.2009.12.126

upstream raw materials:

4-(4,4'-diethyl-3-3',5,5'-tetramethyldipyrromethene)benzoic acid methyl ester

2,4-dimethyl-3-ethyl-pyrrole

4-Carboxybenzaldehyde