8-CHLORO-2,3,4,5-TETRAHYDRO-1-BENZOXEPIN-5-ONE

Base Information

• Chemical Name: 8-CHLORO-2,3,4,5-TETRAHYDRO-1-BENZOXEPIN-5-ONE
• CAS No.: 37483-57-1
• Molecular Formula: C10H9ClO2
• Molecular Weight: 196.63000
• Mol file: 37483-57-1.mol

Synonyms:8-Chloro-3,4-dihydro-2H-benzo[b]oxepin-5-one;8-Chlor-2,3-dihydro-4H-1-benzoxepin-5-on;8-chloro-3,4-dihydrobenzo[b]oxepin-5(2H)-one;8-chloro-1-oxa-2,3,4,5-tetrahydrobenzocycloheptan-5-one;

Chemical Property of 8-CHLORO-2,3,4,5-TETRAHYDRO-1-BENZOXEPIN-5-ONE

Chemical Property:

• PSA: 26.30000
• LogP: 2.69530

Purity/Quality:

99% ^*data from raw suppliers

8-chloro-2,3,4,5-tetrahydro-1-benzoxepin-5-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 8-CHLORO-2,3,4,5-TETRAHYDRO-1-BENZOXEPIN-5-ONE

There total 6 articles about 8-CHLORO-2,3,4,5-TETRAHYDRO-1-BENZOXEPIN-5-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: 93.0%

4-(3-chlorophenoxy)butanoic acid (5057-51-2) → 8-chloro-1-oxo-2,3,4,5-tetrahydrobenzocycloheptan-5-one (37483-57-1)

Guidance literature:

With trifluoroacetic acid; In dichloromethane; at 0 - 20 ℃; Schlenk technique;

DOI:10.1039/c4ob00649f

Reference yield:

4-(3-chlorophenoxy)butan-1-ol (1153244-52-0) → 8-chloro-1-oxo-2,3,4,5-tetrahydrobenzocycloheptan-5-one (37483-57-1)

Guidance literature:

Multi-step reaction with 2 steps

1: Jones reagent / acetone / 1 h / 0 °C

2: trifluoroacetic acid / dichloromethane / 0 - 20 °C / Schlenk technique

With Jones reagent; trifluoroacetic acid; In dichloromethane; acetone;

DOI:10.1039/c4ob00649f

Reference yield:

1-bromo-3-chlorobenzene (108-37-2) → 8-chloro-1-oxo-2,3,4,5-tetrahydrobenzocycloheptan-5-one (37483-57-1)

Guidance literature:

Multi-step reaction with 3 steps

1: copper dichloride; caesium carbonate / 20 h / 130 °C / Inert atmosphere; Schlenk technique

2: Jones reagent / acetone / 1 h / 0 °C

3: trifluoroacetic acid / dichloromethane / 0 - 20 °C / Schlenk technique

With Jones reagent; caesium carbonate; trifluoroacetic acid; copper dichloride; In dichloromethane; acetone;

DOI:10.1039/c4ob00649f

upstream raw materials:

4-(3-chlorophenoxy)butanoic acid

3-monochlorophenol

4-(3-chlorophenoxy)butan-1-ol

1-bromo-3-chlorobenzene

Downstream raw materials:

8-Chloro-4-[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-3,4-dihydro-2H-benzo[b]oxepin-5-one

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