1-(2-bromo-4,5-dimethoxybenzenesulfonyl)-3-methyl-2,5-dihydro-1H-pyrrole

Base Information

Chemical Name:1-(2-bromo-4,5-dimethoxybenzenesulfonyl)-3-methyl-2,5-dihydro-1H-pyrrole
CAS No.:1277155-93-7
Molecular Formula:C₁₃H₁₆BrNO₄S
Molecular Weight:362.244
Hs Code.:

Synonyms:1-(2-bromo-4,5-dimethoxybenzenesulfonyl)-3-methyl-2,5-dihydro-1H-pyrrole

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 1-(2-bromo-4,5-dimethoxybenzenesulfonyl)-3-methyl-2,5-dihydro-1H-pyrrole

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Technology Process of 1-(2-bromo-4,5-dimethoxybenzenesulfonyl)-3-methyl-2,5-dihydro-1H-pyrrole

There total 5 articles about 1-(2-bromo-4,5-dimethoxybenzenesulfonyl)-3-methyl-2,5-dihydro-1H-pyrrole 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: 91.0%

: 1421639-25-9
N-allyl-2-bromo-4,5-dimethoxy-N-(2-methylallyl)benzenesulfonamide

: 1277155-93-7
1-(2-bromo-4,5-dimethoxybenzenesulfonyl)-3-methyl-2,5-dihydro-1H-pyrrole

Guidance literature:: With Hoveyda-Grubbs catalyst second generation; In dichloromethane; at 20 ℃; for 5h; Inert atmosphere;
DOI:10.1002/chem.201201359

Reference yield:

: 1378317-35-1
N-allyl-2-bromo-4,5-dimethoxybenzenesulfonamide

: 1277155-93-7
1-(2-bromo-4,5-dimethoxybenzenesulfonyl)-3-methyl-2,5-dihydro-1H-pyrrole

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.5 h / 0 °C

1.2: 2 h / 0 - 20 °C

2.1: Hoveyda-Grubbs catalyst second generation / dichloromethane / 5 h / 20 °C / Inert atmosphere

With Hoveyda-Grubbs catalyst second generation; sodium hydride; In dichloromethane; N,N-dimethyl-formamide; mineral oil;
DOI:10.1002/chem.201201359

Reference yield:

: 51072-64-1
2-bromo-4,5-dimethoxybenzene-1-sulfonyl chloride

: 1277155-93-7
1-(2-bromo-4,5-dimethoxybenzenesulfonyl)-3-methyl-2,5-dihydro-1H-pyrrole

Guidance literature:: Multi-step reaction with 3 steps

1.1: triethylamine / dichloromethane / 2 h / 0 - 20 °C

2.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.5 h / 0 °C

2.2: 2 h / 0 - 20 °C

3.1: Hoveyda-Grubbs catalyst second generation / dichloromethane / 5 h / 20 °C / Inert atmosphere

With Hoveyda-Grubbs catalyst second generation; sodium hydride; triethylamine; In dichloromethane; N,N-dimethyl-formamide; mineral oil;
DOI:10.1002/chem.201201359