9,10-DIHYDROBENZO[B]NAPHTHO[2,3-B]THIOPHEN-7(H)-ONE

Base Information

• Chemical Name: 9,10-DIHYDROBENZO[B]NAPHTHO[2,3-B]THIOPHEN-7(H)-ONE
• CAS No.: 20841-54-7
• Molecular Formula: C16H12OS
• Molecular Weight: 252.337
• Mol file: 20841-54-7.mol

Synonyms:9,10-DIHYDROBENZO[B]NAPHTHO[2,3-B]THIOPHEN-7(H)-ONE;9,10-Dihydro-8H-benzo[b]naphtho[2,3-d]thiophen-7-one

Chemical Property of 9,10-DIHYDROBENZO[B]NAPHTHO[2,3-B]THIOPHEN-7(H)-ONE

Chemical Property:

• Vapor Pressure: 1.2E-08mmHg at 25°C
• Boiling Point: 460.1°C at 760 mmHg
• Flash Point: 232.1°C
• PSA: 45.31000
• Density: 1.324g/cm³
• LogP: 4.57350

Purity/Quality:

9,10-DIHYDRO-8H-BENZO[B]NAPHTHO[2,3-D]THIOPHEN-7-ONE 98.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 9,10-DIHYDROBENZO[B]NAPHTHO[2,3-B]THIOPHEN-7(H)-ONE

There total 8 articles about 9,10-DIHYDROBENZO[B]NAPHTHO[2,3-B]THIOPHEN-7(H)-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:

4-(dibenzo[b,d]thiophen-2-yl)butanoic acid (91034-92-3) → 9,10-dihydro-8H-benzo[b]naphtho[2,3-d]thiophen-7-one (20841-54-7)

Guidance literature:

With sulfuric acid;

DOI:10.1021/jo01219a003

Reference yield:

dibenzothiophene (132-65-0) → 9,10-dihydro-8H-benzo[b]naphtho[2,3-d]thiophen-7-one (20841-54-7)

Guidance literature:

Multi-step reaction with 3 steps

1: nitrobenzene; 1,1,2,2-tetrachloro-ethane

2: amalgamated zinc; aqueous hydrochloric acid; toluene

3: aqueous sulfuric acid

With hydrogenchloride; amalgamated zinc; sulfuric acid; nitrobenzene; toluene; 1,1,2,2-tetrachloroethane;

DOI:10.1021/jo01219a003

Reference yield:

biphenyl (92-52-4,1594-86-1) → 9,10-dihydro-8H-benzo[b]naphtho[2,3-d]thiophen-7-one (20841-54-7)

Guidance literature:

Multi-step reaction with 4 steps

1: aluminium chloride; sulfur

2: nitrobenzene; 1,1,2,2-tetrachloro-ethane

3: amalgamated zinc; aqueous hydrochloric acid; toluene

4: aqueous sulfuric acid

With hydrogenchloride; aluminium trichloride; amalgamated zinc; sulfuric acid; sulfur; nitrobenzene; toluene; 1,1,2,2-tetrachloroethane;

DOI:10.1021/jo01219a003

upstream raw materials:

4-(dibenzo[b,d]thiophen-2-yl)butanoic acid

sulfuric acid

phosphorus pentachloride

chlorobenzene

Downstream raw materials:

8-((Ξ)-benzylidene)-9,10-dihydro-8H-benzo[b]naphtho[2,3-d]thiophen-7-one

tetrahydrobenzonaphtho<2,3-d>thiophen-7(8H)one

benzo[b]naphtho[2,3-d]thiophene