2-cyclopropyl-1-benzenesulfonyldifluoromethylbenzo[b]thiophenium triflate

Base Information

Chemical Name:2-cyclopropyl-1-benzenesulfonyldifluoromethylbenzo[b]thiophenium triflate
CAS No.:1606148-72-4
Molecular Formula:CF₃O₃S*C₁₈H₁₅F₂O₂S₂
Molecular Weight:514.515
Hs Code.:

Synonyms:2-cyclopropyl-1-benzenesulfonyldifluoromethylbenzo[b]thiophenium triflate

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Chemical Property of 2-cyclopropyl-1-benzenesulfonyldifluoromethylbenzo[b]thiophenium triflate

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Technology Process of 2-cyclopropyl-1-benzenesulfonyldifluoromethylbenzo[b]thiophenium triflate

There total 8 articles about 2-cyclopropyl-1-benzenesulfonyldifluoromethylbenzo[b]thiophenium triflate 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: 73.0%

: 1493-13-6
trifluorormethanesulfonic acid

: 1606148-69-9
2-(phenylsulfonyldifluoromethyl)thioaniline

: 1606148-72-4
2-cyclopropyl-1-benzenesulfonyldifluoromethylbenzo[b]thiophenium triflate

Guidance literature:: In dichloromethane; at -65 - 20 ℃;
DOI:10.1002/anie.201309875

Reference yield:

: 1535-67-7
difluoromethyl phenyl sulfide

: 1606148-72-4
2-cyclopropyl-1-benzenesulfonyldifluoromethylbenzo[b]thiophenium triflate

Guidance literature:: Multi-step reaction with 5 steps

1.1: RuCl*2H₂O; sodium periodate / water; tetrachloromethane; acetonitrile / 1.5 h / 0 - 20 °C

2.1: potassium tert-butylate / tetrahydrofuran / 0.5 h / -40 - 20 °C

3.1: sulfuric acid / water; acetic acid / 0.25 h / 0 - 5 °C

3.2: 1.25 h / 0 - 20 °C

3.3: 1 h / 0 - 20 °C

4.1: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine / 20 °C

5.1: dichloromethane / -65 - 20 °C

With bis-triphenylphosphine-palladium(II) chloride; sodium periodate; copper(l) iodide; sulfuric acid; RuCl*2H₂O; potassium tert-butylate; triethylamine; In tetrahydrofuran; tetrachloromethane; dichloromethane; water; acetic acid; acetonitrile; 4.1: |Sonogashira Cross-Coupling;
DOI:10.1002/anie.201309875

Reference yield:

: 1535-65-5
difluoromethyl phenyl sulfone

: 1606148-72-4
2-cyclopropyl-1-benzenesulfonyldifluoromethylbenzo[b]thiophenium triflate

Guidance literature:: Multi-step reaction with 4 steps

1.1: potassium tert-butylate / tetrahydrofuran / 0.5 h / -40 - 20 °C

2.1: sulfuric acid / water; acetic acid / 0.25 h / 0 - 5 °C

2.2: 1.25 h / 0 - 20 °C

2.3: 1 h / 0 - 20 °C

3.1: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine / 20 °C

4.1: dichloromethane / -65 - 20 °C

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; sulfuric acid; potassium tert-butylate; triethylamine; In tetrahydrofuran; dichloromethane; water; acetic acid; 3.1: |Sonogashira Cross-Coupling;
DOI:10.1002/anie.201309875