6,8-DIFLUORO-1,2,3,4-TETRAHYDRONAPHTHALEN-1-ONE

Base Information

• Chemical Name: 6,8-DIFLUORO-1,2,3,4-TETRAHYDRONAPHTHALEN-1-ONE
• CAS No.: 895534-38-0
• Molecular Formula: C₁₀H₈F₂O
• Molecular Weight: 182.17
• Mol file: 895534-38-0.mol

Synonyms:6,8-DIFLUORO-1,2,3,4-TETRAHYDRONAPHTHALEN-1-ONE;6,8-Difluoro-3,4-dihydronaphthalen-1(2H)-one

Chemical Property of 6,8-DIFLUORO-1,2,3,4-TETRAHYDRONAPHTHALEN-1-ONE

Chemical Property:

• Boiling Point: 274.2±40.0 °C(Predicted)
• PSA: 17.07000
• Density: 1.290±0.06 g/cm3(Predicted)
• LogP: 2.48380
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

99%, ^*data from raw suppliers

6,8-Difluoro-3,4-dihydronaphthalen-1(2H)-one 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 6,8-DIFLUORO-1,2,3,4-TETRAHYDRONAPHTHALEN-1-ONE

There total 3 articles about 6,8-DIFLUORO-1,2,3,4-TETRAHYDRONAPHTHALEN-1-ONE 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: 82.0%

4-(3,5-difluorophenyl)butanoic acid (173998-54-4) → 6,8-difluoro-3,4-dihydronaphthalen-1(2H)-one (895534-38-0)

Guidance literature:

With methanesulfonic acid; phosphorus pentoxide; at 65 ℃; for 0.583333h;

Reference yield:

(3E)-4-(3,5-difluorophenyl)but-3-enoic acid → 6,8-difluoro-3,4-dihydronaphthalen-1(2H)-one (895534-38-0)

Guidance literature:

Multi-step reaction with 2 steps

1: hydrogen; palladium 10% on activated carbon / ethyl acetate / 4 h / 20 °C / 7757.43 Torr / Autoclave

2: sulfuric acid / water / 4 h / 40 - 45 °C / Inert atmosphere; Cooling with ice

With sulfuric acid; palladium 10% on activated carbon; hydrogen; In water; ethyl acetate;

Reference yield:

3,5-difluorobenzaldehyde (32085-88-4) → 6,8-difluoro-3,4-dihydronaphthalen-1(2H)-one (895534-38-0)

Guidance literature:

Multi-step reaction with 3 steps

1: potassium tert-butylate / tetrahydrofuran / 0 - 20 °C / Inert atmosphere; Large scale

2: hydrogen; palladium 10% on activated carbon / ethyl acetate / 4 h / 20 °C / 7757.43 Torr / Autoclave

3: sulfuric acid / water / 4 h / 40 - 45 °C / Inert atmosphere; Cooling with ice

With sulfuric acid; palladium 10% on activated carbon; potassium tert-butylate; hydrogen; In tetrahydrofuran; water; ethyl acetate;

upstream raw materials:

4-(3,5-difluorophenyl)butanoic acid

3,5-difluorobenzaldehyde

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