dibenzyl 4,4'-bis(2-acetoxyethyl)-3,3'-dimethylpyrromethane-5,5'-dicarboxylate

Base Information

Chemical Name:dibenzyl 4,4'-bis(2-acetoxyethyl)-3,3'-dimethylpyrromethane-5,5'-dicarboxylate
CAS No.:75747-97-6
Molecular Formula:C₃₅H₃₈N₂O₈
Molecular Weight:614.695
Hs Code.:

Synonyms:dibenzyl 4,4'-bis(2-acetoxyethyl)-3,3'-dimethylpyrromethane-5,5'-dicarboxylate

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Chemical Property of dibenzyl 4,4'-bis(2-acetoxyethyl)-3,3'-dimethylpyrromethane-5,5'-dicarboxylate

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Technology Process of dibenzyl 4,4'-bis(2-acetoxyethyl)-3,3'-dimethylpyrromethane-5,5'-dicarboxylate

There total 15 articles about dibenzyl 4,4'-bis(2-acetoxyethyl)-3,3'-dimethylpyrromethane-5,5'-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: 86.0%

: 57907-69-4
benzyl-3-(2-acetoxyethyl)-5-acetoxymethyl-4-methylpyrrole-2-carboxylate

: 75747-97-6
dibenzyl 4,4'-bis(2-acetoxyethyl)-3,3'-dimethylpyrromethane-5,5'-dicarboxylate

Guidance literature:: With toluene-4-sulfonic acid; In acetic acid; at 40 - 45 ℃; for 6h;

Reference yield:

: 62562-72-5
benzyl 3-(benzyloxycarbonylmethyl)-4,5-dimethylpyrrole-2-carboxylate

: 75747-97-6
dibenzyl 4,4'-bis(2-acetoxyethyl)-3,3'-dimethylpyrromethane-5,5'-dicarboxylate

Guidance literature:: Multi-step reaction with 5 steps

1: tetrahydrofuran; methanol / 3.5 h / 20 °C

2: 40 percent / acetic acid / 20 °C

3: 87.5 percent / aq. acetic acid / 1 h / steam bath

4: 60 percent / diborane / tetrahydrofuran / 1.) 20 deg C, 16 h, 2.) reflux, 3.5 h

5: pyridine / 1.5 h

With pyridine; diborane; In tetrahydrofuran; methanol; acetic acid;

Reference yield:

: 50622-73-6
methyl 3-<(methoxycarbonyl)methyl>-5-methylpyrrole-2-carboxylate

: 75747-97-6
dibenzyl 4,4'-bis(2-acetoxyethyl)-3,3'-dimethylpyrromethane-5,5'-dicarboxylate

Guidance literature:: Multi-step reaction with 8 steps

1: 74 percent / acetic anhydride, hydriodic acid, phosphinic acid / 1.) 60-65 deg C, 1 h, 2.) 20 deg C, 2 h

2: 1.) conc. HCl, 2.) 7percent anhyd. methanolic HCl / 1.) EtOH, H₂O, reflux, 0.5 h; 0 deg C, 2 h, 2.) reflux, 0.5 h

3: 85 percent / phenylmethanol / Heating

4: tetrahydrofuran; methanol / 3.5 h / 20 °C

5: 40 percent / acetic acid / 20 °C

6: 87.5 percent / aq. acetic acid / 1 h / steam bath

7: 60 percent / diborane / tetrahydrofuran / 1.) 20 deg C, 16 h, 2.) reflux, 3.5 h

8: pyridine / 1.5 h

With pyridine; hydrogenchloride; hydrogen iodide; hypophosphorous acid; acetic anhydride; diborane; In tetrahydrofuran; methanol; acetic acid; benzyl alcohol;