2,3-DIHYDRO-1,4-BENZODIOXINE-5-SULFONYL CHLORIDE,97%

Base Information

• Chemical Name: 2,3-DIHYDRO-1,4-BENZODIOXINE-5-SULFONYL CHLORIDE,97%
• CAS No.: 87474-15-5
• Molecular Formula: C8H7 Cl O4 S
• Molecular Weight: 234.66
• Hs Code.: 2932999099
• Mol file: 87474-15-5.mol

Synonyms:2,3-DIHYDRO-1,4-BENZODIOXINE-5-SULFONYL CHLORIDE,97%;2,3-Dihydro-1,4-benzodioxine-5-sulfonyl chloride

Chemical Property of 2,3-DIHYDRO-1,4-BENZODIOXINE-5-SULFONYL CHLORIDE,97%

Chemical Property:

• Melting Point: 118.4℃
• PSA: 60.98000
• LogP: 2.46610

Purity/Quality:

98% ^*data from raw suppliers

2,3-Dihydro-benzo[1,4]dioxine-5-sulfonylchloride 95%+ ^*data from reagent suppliers

Safty Information:

• Pictogram(s): R34:Causes burns.
• Hazard Codes: C:Corrosive
• Statements: R34:Causes burns.
• Safety Statements: S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.; S36/37/39:Wear suitabl

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,3-DIHYDRO-1,4-BENZODIOXINE-5-SULFONYL CHLORIDE,97%

There total 4 articles about 2,3-DIHYDRO-1,4-BENZODIOXINE-5-SULFONYL CHLORIDE,97% 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: 80.0%

5-(benzylsulfanyl)-2,3-dihydro-1,4-benzodioxine → 2,3-dihydro-1,4-benzodioxine-5-sulfonyl chloride (87474-15-5)

Guidance literature:

With N-chloro-succinimide; acetic acid; In water; acetonitrile; at 10 ℃; for 1.5h;

Reference yield: 69.0%

5-bromo-2,3-dihydrobenzo[1,4]dioxin (58328-39-5) → 2,3-dihydro-1,4-benzodioxine-5-sulfonyl chloride (87474-15-5)

Guidance literature:

5-bromo-2,3-dihydrobenzo[1,4]dioxin; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 1h;

With sulfur dioxide; In tetrahydrofuran; hexane; for 0.166667h;

With N-chloro-succinimide; In acetic acid; at -78 - 20 ℃; for 1.25h;

Reference yield:

3-bromo-1,2-dihydroxybenzene (14381-51-2) → 2,3-dihydro-1,4-benzodioxine-5-sulfonyl chloride (87474-15-5)

Guidance literature:

Multi-step reaction with 3 steps

1.1: potassium carbonate; potassium fluoride / N,N-dimethyl-formamide / 2 h / 135 °C / Inert atmosphere

2.1: sec.-butyllithium / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere

2.2: 1 h / 20 °C / Inert atmosphere

3.1: acetic acid; N-chloro-succinimide / water; acetonitrile / 1.5 h / 10 °C

With potassium fluoride; N-chloro-succinimide; sec.-butyllithium; potassium carbonate; acetic acid; In tetrahydrofuran; water; N,N-dimethyl-formamide; acetonitrile;

upstream raw materials:

5-bromo-2,3-dihydrobenzo[1,4]dioxin

3-bromo-1,2-dihydroxybenzene

Downstream raw materials:

5-[1,1-dimethyl-2-(4-methoxyphenyl)-1H-inden-3-yl]-2,3-dihydro-1,4-benzodioxine

1-(2,3-dihydro-1,4-benzodioxin-5-ylsulfonyl)-4-methyl-5-phenyl-1H-pyrrole-3-carbaldehyde

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