1,4-dibutyl-2-[[2'-(N-tert-butylaminosulfonyl)(1,1'-biphenyl)-4-yl]methyl]-4-methylpyrazolidine-3,5-dione

Base Information

Chemical Name:1,4-dibutyl-2-[[2'-(N-tert-butylaminosulfonyl)(1,1'-biphenyl)-4-yl]methyl]-4-methylpyrazolidine-3,5-dione
CAS No.:291774-17-9
Molecular Formula:C₂₉H₄₁N₃O₄S
Molecular Weight:527.728
Hs Code.:

Synonyms:1,4-dibutyl-2-[[2'-(N-tert-butylaminosulfonyl)(1,1'-biphenyl)-4-yl]methyl]-4-methylpyrazolidine-3,5-dione

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Chemical Property of 1,4-dibutyl-2-[[2'-(N-tert-butylaminosulfonyl)(1,1'-biphenyl)-4-yl]methyl]-4-methylpyrazolidine-3,5-dione

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Technology Process of 1,4-dibutyl-2-[[2'-(N-tert-butylaminosulfonyl)(1,1'-biphenyl)-4-yl]methyl]-4-methylpyrazolidine-3,5-dione

There total 4 articles about 1,4-dibutyl-2-[[2'-(N-tert-butylaminosulfonyl)(1,1'-biphenyl)-4-yl]methyl]-4-methylpyrazolidine-3,5-dione 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: 35.0%

: 138733-52-5
[[2'-[(t-Butylamino)sulfonyl]-1,1'-biphenyl-4-yl]methyl] bromide

: 291774-00-0
1,4-dibutyl-4-methylpyrazolidine-3,5-dione

: 291774-17-9
1,4-dibutyl-2-[[2'-(N-tert-butylaminosulfonyl)(1,1'-biphenyl)-4-yl]methyl]-4-methylpyrazolidine-3,5-dione

Guidance literature:: With potassium carbonate; In N,N-dimethyl-formamide; at 20 ℃; for 20h;
DOI:10.1021/jm9904147

Reference yield:

: 133-08-4
diethyl butylmalonate

: 291774-17-9
1,4-dibutyl-2-[[2'-(N-tert-butylaminosulfonyl)(1,1'-biphenyl)-4-yl]methyl]-4-methylpyrazolidine-3,5-dione

Guidance literature:: Multi-step reaction with 4 steps

1.1: Na; EtOH

1.2: 59 percent / tetrahydrofuran / 2 h / 20 °C

2.1: Na; EtOH / 1 h / 20 °C

2.2: 35 percent / chlorobenzene / 12 h / Heating

3.1: K₂CO₃ / dimethylformamide / 10 h / 20 °C

3.2: HCOONH₄ / Pd/C / methanol / 4 h / 40 °C

4.1: 35 percent / K₂CO₃ / dimethylformamide / 20 h / 20 °C

With ethanol; sodium; potassium carbonate; In N,N-dimethyl-formamide; 1.1: Metallation / 1.2: Methylation / 2.1: Metallation / 2.2: Cycloaddition / 3.1: Alkylation / 3.2: Hydrogenolysis / 4.1: Alkylation;
DOI:10.1021/jm9904147

Reference yield:

: 55114-29-9
butylmethylpropanedioic acid diethyl ester

: 291774-17-9
1,4-dibutyl-2-[[2'-(N-tert-butylaminosulfonyl)(1,1'-biphenyl)-4-yl]methyl]-4-methylpyrazolidine-3,5-dione

Guidance literature:: Multi-step reaction with 3 steps

1.1: Na; EtOH / 1 h / 20 °C

1.2: 35 percent / chlorobenzene / 12 h / Heating

2.1: K₂CO₃ / dimethylformamide / 10 h / 20 °C

2.2: HCOONH₄ / Pd/C / methanol / 4 h / 40 °C

3.1: 35 percent / K₂CO₃ / dimethylformamide / 20 h / 20 °C

With ethanol; sodium; potassium carbonate; In N,N-dimethyl-formamide; 1.1: Metallation / 1.2: Cycloaddition / 2.1: Alkylation / 2.2: Hydrogenolysis / 3.1: Alkylation;
DOI:10.1021/jm9904147