tert-butyl {4-bromo-2-[(3-propylsulfonylphenyl)ethynyl]phenoxy}acetate

Base Information

Chemical Name:tert-butyl {4-bromo-2-[(3-propylsulfonylphenyl)ethynyl]phenoxy}acetate
CAS No.:1240288-36-1
Molecular Formula:C₂₃H₂₅BrO₅S
Molecular Weight:493.418
Hs Code.:

Synonyms:tert-butyl {4-bromo-2-[(3-propylsulfonylphenyl)ethynyl]phenoxy}acetate

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Chemical Property of tert-butyl {4-bromo-2-[(3-propylsulfonylphenyl)ethynyl]phenoxy}acetate

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Technology Process of tert-butyl {4-bromo-2-[(3-propylsulfonylphenyl)ethynyl]phenoxy}acetate

There total 8 articles about tert-butyl {4-bromo-2-[(3-propylsulfonylphenyl)ethynyl]phenoxy}acetate 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: 51.0%

: 1240287-09-5
1-ethynyl-3-(propylsulfonyl)benzene

: 1240288-35-0
tert-butyl (4-bromo-2-iodophenoxy)acetate

: 1240288-36-1
tert-butyl {4-bromo-2-[(3-propylsulfonylphenyl)ethynyl]phenoxy}acetate

Guidance literature:: With piperidine; trans-bis(triphenylphosphine)palladium dichloride; at 70 ℃; for 18h;
DOI:10.1021/jm200866y

Reference yield:

: 1240287-08-4
1-(2-trimethylsilyl-1-ethynyl)-3-(propylsulfonyl)benzene

: 1240288-36-1
tert-butyl {4-bromo-2-[(3-propylsulfonylphenyl)ethynyl]phenoxy}acetate

Guidance literature:: Multi-step reaction with 2 steps

1: tetrabutyl ammonium fluoride / tetrahydrofuran / 4 h / 20 °C

2: piperidine; trans-bis(triphenylphosphine)palladium dichloride / 18 h / 70 °C

With piperidine; trans-bis(triphenylphosphine)palladium dichloride; tetrabutyl ammonium fluoride; In tetrahydrofuran; 2: Sonogashira coupling;
DOI:10.1021/jm200866y

Reference yield:

: 153435-83-7
1-bromo-3-(propylsulfonyl)benzene

: 1240288-36-1
tert-butyl {4-bromo-2-[(3-propylsulfonylphenyl)ethynyl]phenoxy}acetate

Guidance literature:: Multi-step reaction with 3 steps

1.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; triethylamine / tetrahydrofuran / 0.17 h / 20 °C

1.2: 24 h / 60 °C

2.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 4 h / 20 °C

3.1: piperidine; trans-bis(triphenylphosphine)palladium dichloride / 18 h / 70 °C

With piperidine; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; trans-bis(triphenylphosphine)palladium dichloride; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; 1.1: Sonogashira coupling / 1.2: Sonogashira coupling / 3.1: Sonogashira coupling;
DOI:10.1021/jm200866y