diethyl 1,9-bis(ethoxycarbonyl)-2,8-diethyl-5-(4-formylphenyl)-3,7-dimethyldipyrromethane-1,9-dicarboxylate

Base Information

• Chemical Name: diethyl 1,9-bis(ethoxycarbonyl)-2,8-diethyl-5-(4-formylphenyl)-3,7-dimethyldipyrromethane-1,9-dicarboxylate
• CAS No.: 144629-75-4
• Molecular Formula: C₂₈H₃₄N₂O₅
• Molecular Weight: 478.588

Synonyms:diethyl 1,9-bis(ethoxycarbonyl)-2,8-diethyl-5-(4-formylphenyl)-3,7-dimethyldipyrromethane-1,9-dicarboxylate

Chemical Property of diethyl 1,9-bis(ethoxycarbonyl)-2,8-diethyl-5-(4-formylphenyl)-3,7-dimethyldipyrromethane-1,9-dicarboxylate

Chemical Property:

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Technology Process of diethyl 1,9-bis(ethoxycarbonyl)-2,8-diethyl-5-(4-formylphenyl)-3,7-dimethyldipyrromethane-1,9-dicarboxylate

There total 2 articles about diethyl 1,9-bis(ethoxycarbonyl)-2,8-diethyl-5-(4-formylphenyl)-3,7-dimethyldipyrromethane-1,9-dicarboxylate 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: 85.0%

bis(5-(ethoxycarbonyl)-4-ethyl-3-methyl-2-pyrryl)(4-(hydroxymethyl)phenyl)methane (129618-96-8) → diethyl 1,9-bis(ethoxycarbonyl)-2,8-diethyl-5-(4-formylphenyl)-3,7-dimethyldipyrromethane-1,9-dicarboxylate (144629-75-4)

Guidance literature:

With N-methyl-2-indolinone; tetrapropylammonium perruthennate; In dichloromethane;

DOI:10.1016/S0040-4039(00)79081-2

Reference yield:

2-(ethyloxycarbonyl)-3-ethyl-4-methylpyrrole (4949-58-0) → diethyl 1,9-bis(ethoxycarbonyl)-2,8-diethyl-5-(4-formylphenyl)-3,7-dimethyldipyrromethane-1,9-dicarboxylate (144629-75-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 90 percent

2: 85 percent / tetrapropylammonium perruthenate, NMO / CH₂Cl₂

With N-methyl-2-indolinone; tetrapropylammonium perruthennate; In dichloromethane;

DOI:10.1016/S0040-4039(00)79081-2

Reference yield: 76.0%

diethyl 1,9-bis(ethoxycarbonyl)-2,8-diethyl-5-(4-formylphenyl)-3,7-dimethyldipyrromethane-1,9-dicarboxylate (144629-75-4) → trans-4,4'-bis<1,9-bis(ethoxycarbonyl)-2,8-diethyl-3,7-dimethyldipyrromethan-5-yl>stilbene (144629-76-5)

Guidance literature:

With TiCl₃-1,2-dimethoxyethane; copper; zinc; In 1,2-dimethoxyethane; for 1h; Heating;

DOI:10.1021/ja9541138

upstream raw materials:

bis(5-(ethoxycarbonyl)-4-ethyl-3-methyl-2-pyrryl)(4-(hydroxymethyl)phenyl)methane

2-(ethyloxycarbonyl)-3-ethyl-4-methylpyrrole

Downstream raw materials:

1,4-bismethyl>benzene

trans-4,4'-bis<1,9-bis(ethoxycarbonyl)-2,8-diethyl-3,7-dimethyldipyrromethan-5-yl>stilbene

trans-4,4'-bis(2,8-diethyl-3,7-dimethyldipyrromethan-5-yl)stilbene

1,4-bisbenzene

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