(E)-4-methyl-2-(4-methyl-3-oxobenzo[b]thiophen-2(3H)-ylidene)benzo[b]thiophen-3(2H)-one

Base Information

• Chemical Name: (E)-4-methyl-2-(4-methyl-3-oxobenzo[b]thiophen-2(3H)-ylidene)benzo[b]thiophen-3(2H)-one
• CAS No.: 5858-24-2
• Molecular Formula: C18H12O2S2
• Molecular Weight: 324.41668
• Mol file: 5858-24-2.mol

Synonyms:(E)-4-methyl-2-(4-methyl-3-oxobenzo[b]thiophen-2(3H)-ylidene)benzo[b]thiophen-3(2H)-one

Chemical Property of (E)-4-methyl-2-(4-methyl-3-oxobenzo[b]thiophen-2(3H)-ylidene)benzo[b]thiophen-3(2H)-one

Chemical Property:

• PSA: 84.74000
• LogP: 4.79200

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (E)-4-methyl-2-(4-methyl-3-oxobenzo[b]thiophen-2(3H)-ylidene)benzo[b]thiophen-3(2H)-one

There total 5 articles about (E)-4-methyl-2-(4-methyl-3-oxobenzo[b]thiophen-2(3H)-ylidene)benzo[b]thiophen-3(2H)-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-methyl-benzo[b]thiophen-3-ol (451524-40-6) → (E)-4,4'-dimethyl-[2,2']bi[benzo[b]thiophenylidene]-3,3'-dione (5858-24-2)

Guidance literature:

Multi-step reaction with 3 steps

1: aq. NaOH solution / Behandeln des Reaktionsgemisches mit einer aus 4-Nitroso-phenol, Natriumcarbonat und Wasser bereiteten Loesung

2: aqueous hydrochloric acid

3: acetic acid; zinc chloride

With hydrogenchloride; sodium hydroxide; acetic acid; zinc(II) chloride;

DOI:10.1039/jr9450000893

Reference yield:

4-methyl-benzo[b]thiophene-2,3-dione-2-(4-hydroxy-phenylimine) → (E)-4,4'-dimethyl-[2,2']bi[benzo[b]thiophenylidene]-3,3'-dione (5858-24-2)

Guidance literature:

Multi-step reaction with 2 steps

1: aqueous hydrochloric acid

2: acetic acid; zinc chloride

With hydrogenchloride; acetic acid; zinc(II) chloride;

DOI:10.1039/jr9450000893

Reference yield:

(2-cyano-3-methyl-phenylsulfanyl)-acetic acid (411236-72-1) → (E)-4,4'-dimethyl-[2,2']bi[benzo[b]thiophenylidene]-3,3'-dione (5858-24-2)

Guidance literature:

Multi-step reaction with 4 steps

1: aq. NaOH solution; aqueous hydrochloric acid

2: aq. NaOH solution / Behandeln des Reaktionsgemisches mit einer aus 4-Nitroso-phenol, Natriumcarbonat und Wasser bereiteten Loesung

3: aqueous hydrochloric acid

4: acetic acid; zinc chloride

With hydrogenchloride; sodium hydroxide; acetic acid; zinc(II) chloride;

DOI:10.1039/jr9450000893

upstream raw materials:

4-Methylbenzothiophen-3(2H)-on

4-methylbenzo[b]thiophene-2,3-quinone

4-methyl-benzo[b]thiophen-3-ol

(2-cyano-3-methyl-phenylsulfanyl)-acetic acid

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