benzyl N-benzenesulfonyl-3-bromo-4-(4-isopropoxyphenyl)pyrrole-2-carboxylate

Base Information

Chemical Name:benzyl N-benzenesulfonyl-3-bromo-4-(4-isopropoxyphenyl)pyrrole-2-carboxylate
CAS No.:1426329-89-6
Molecular Formula:C₂₇H₂₄BrNO₅S
Molecular Weight:554.461
Hs Code.:

Synonyms:benzyl N-benzenesulfonyl-3-bromo-4-(4-isopropoxyphenyl)pyrrole-2-carboxylate

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Chemical Property of benzyl N-benzenesulfonyl-3-bromo-4-(4-isopropoxyphenyl)pyrrole-2-carboxylate

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Technology Process of benzyl N-benzenesulfonyl-3-bromo-4-(4-isopropoxyphenyl)pyrrole-2-carboxylate

There total 2 articles about benzyl N-benzenesulfonyl-3-bromo-4-(4-isopropoxyphenyl)pyrrole-2-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: 75.0%

: 1426329-88-5
N-benzenesulfonyl-3-bromo-4-(4-isopropoxyphenyl)pyrrole

: 501-53-1,94274-21-2
benzyl chloroformate

: 1426329-89-6
benzyl N-benzenesulfonyl-3-bromo-4-(4-isopropoxyphenyl)pyrrole-2-carboxylate

Guidance literature:: N-benzenesulfonyl-3-bromo-4-(4-isopropoxyphenyl)pyrrole; With n-butyllithium; diisopropylamine; In tetrahydrofuran; hexane; at -78 ℃; for 1h; Inert atmosphere;

benzyl chloroformate; In tetrahydrofuran; hexane; at -78 ℃; for 1h; regioselective reaction; Inert atmosphere;
DOI:10.1016/j.tet.2013.01.077

Reference yield:

: 153624-46-5
4-(isopropoxy)phenylboronic acid

: 1426329-89-6
benzyl N-benzenesulfonyl-3-bromo-4-(4-isopropoxyphenyl)pyrrole-2-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / tetrahydrofuran; water / 14 h / Reflux; Inert atmosphere

2.1: n-butyllithium; diisopropylamine / hexane; tetrahydrofuran / 1 h / -78 °C / Inert atmosphere

2.2: 1 h / -78 °C / Inert atmosphere

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; sodium carbonate; diisopropylamine; In tetrahydrofuran; hexane; water;
DOI:10.1016/j.tet.2013.01.077

Reference yield: 88.0%

: 1426329-89-6
benzyl N-benzenesulfonyl-3-bromo-4-(4-isopropoxyphenyl)pyrrole-2-carboxylate

: 5720-07-0
4-methoxyphenylboronic acid

: 1426329-90-9
benzyl N-benzenesulfonyl-4-(4-isopropoxyphenyl)-3-(4-methoxyphenyl)pyrrole-2-carboxylate

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate; In 1,2-dimethoxyethane; water; at 85 ℃; for 15h;
DOI:10.1016/j.tet.2013.01.077