benzyl 4,4'-bis-(2-methoxycarbonylethyl)-3-methoxycarbonylmethyl-3'-methyl-2,2'-pyrromethane-5-carboxylate

Base Information

• Chemical Name: benzyl 4,4'-bis-(2-methoxycarbonylethyl)-3-methoxycarbonylmethyl-3'-methyl-2,2'-pyrromethane-5-carboxylate
• CAS No.: 111807-65-9
• Molecular Formula: C₂₉H₃₄N₂O₈
• Molecular Weight: 538.598

Synonyms:benzyl 4,4'-bis-(2-methoxycarbonylethyl)-3-methoxycarbonylmethyl-3'-methyl-2,2'-pyrromethane-5-carboxylate

Chemical Property of benzyl 4,4'-bis-(2-methoxycarbonylethyl)-3-methoxycarbonylmethyl-3'-methyl-2,2'-pyrromethane-5-carboxylate

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Technology Process of benzyl 4,4'-bis-(2-methoxycarbonylethyl)-3-methoxycarbonylmethyl-3'-methyl-2,2'-pyrromethane-5-carboxylate

There total 3 articles about benzyl 4,4'-bis-(2-methoxycarbonylethyl)-3-methoxycarbonylmethyl-3'-methyl-2,2'-pyrromethane-5-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: 100.0%

benzyl 5'-t-butoxycarbonyl-4,4'-bis-(2-methoxycarbonyl)-3-methoxycarbonylmethyl-3'-methylpyrromethane-5,5'-dicarboxylate (111807-64-8) → benzyl 4,4'-bis-(2-methoxycarbonylethyl)-3-methoxycarbonylmethyl-3'-methyl-2,2'-pyrromethane-5-carboxylate (111807-65-9)

Guidance literature:

With trifluoroacetic acid; at 20 ℃; for 1h;

DOI:10.1039/P19870000287

Reference yield:

5-dimethylcarbamoyl-4-(2-methoxycarbonyl-ethyl)-3-methyl-pyrrole-2-carboxylic acid (60205-09-6) → benzyl 4,4'-bis-(2-methoxycarbonylethyl)-3-methoxycarbonylmethyl-3'-methyl-2,2'-pyrromethane-5-carboxylate (111807-65-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 61 percent / toluene-p-sulphonic acid monohydrate / acetic acid / 3 h / 40 °C

2: 100 percent / trifluoroacetic acid / 1 h / 20 °C

With toluene-4-sulfonic acid; trifluoroacetic acid; In acetic acid;

DOI:10.1039/P19870000287

Reference yield:

5-acetoxymethyl-3-(2-methoxycarbonyl-ethyl)-4-methoxycarbonylmethyl-pyrrole-2-carboxylic acid benzyl ester (50622-67-8) → benzyl 4,4'-bis-(2-methoxycarbonylethyl)-3-methoxycarbonylmethyl-3'-methyl-2,2'-pyrromethane-5-carboxylate (111807-65-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 61 percent / toluene-p-sulphonic acid monohydrate / acetic acid / 3 h / 40 °C

2: 100 percent / trifluoroacetic acid / 1 h / 20 °C

With toluene-4-sulfonic acid; trifluoroacetic acid; In acetic acid;

DOI:10.1039/P19870000287

upstream raw materials:

benzyl 5'-t-butoxycarbonyl-4,4'-bis-(2-methoxycarbonyl)-3-methoxycarbonylmethyl-3'-methylpyrromethane-5,5'-dicarboxylate

5-dimethylcarbamoyl-4-(2-methoxycarbonyl-ethyl)-3-methyl-pyrrole-2-carboxylic acid

5-acetoxymethyl-3-(2-methoxycarbonyl-ethyl)-4-methoxycarbonylmethyl-pyrrole-2-carboxylic acid benzyl ester

Downstream raw materials:

dibenzyl 1,5,8-tris-(2-methoxycarbonylethyl)-7-methoxycarbonylmethyl-2,3,6-trimethyl-b-oxobilane-1',8'-carboxylate

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