3-Chloro-5-phenoxy-benzo[b]thiophene-2-carboxylic acid [1-(3-bromo-phenyl)-meth-(E)-ylidene]-hydrazide

Base Information

• Chemical Name: 3-Chloro-5-phenoxy-benzo[b]thiophene-2-carboxylic acid [1-(3-bromo-phenyl)-meth-(E)-ylidene]-hydrazide
• CAS No.: 660394-84-3
• Molecular Formula: C₂₂H₁₄BrClN₂O₂S
• Molecular Weight: 485.788

Synonyms:3-Chloro-5-phenoxy-benzo[b]thiophene-2-carboxylic acid [1-(3-bromo-phenyl)-meth-(E)-ylidene]-hydrazide

Chemical Property of 3-Chloro-5-phenoxy-benzo[b]thiophene-2-carboxylic acid [1-(3-bromo-phenyl)-meth-(E)-ylidene]-hydrazide

Chemical Property:

Purity/Quality:

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Technology Process of 3-Chloro-5-phenoxy-benzo[b]thiophene-2-carboxylic acid [1-(3-bromo-phenyl)-meth-(E)-ylidene]-hydrazide

There total 2 articles about 3-Chloro-5-phenoxy-benzo[b]thiophene-2-carboxylic acid [1-(3-bromo-phenyl)-meth-(E)-ylidene]-hydrazide 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: 65.0%

m-bromobenzoic aldehyde (3132-99-8) + 2-hydrazinocarbonyl-3-chloro-5-phenoxy-benzo(b)thiophene (660394-82-1) → 3-Chloro-5-phenoxy-benzo[b]thiophene-2-carboxylic acid [1-(3-bromo-phenyl)-meth-(E)-ylidene]-hydrazide (660394-84-3)

Guidance literature:

In 1,4-dioxane; Heating;

Reference yield:

3-chloro-5-phenoxybenzothiophene-2-carbonyl chloride (122024-72-0) → 3-Chloro-5-phenoxy-benzo[b]thiophene-2-carboxylic acid [1-(3-bromo-phenyl)-meth-(E)-ylidene]-hydrazide (660394-84-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 67 percent / hydrazine hydrate / dioxane / 6 h / Heating

2: 65 percent / dioxane / Heating

With hydrazine hydrate; In 1,4-dioxane;

Reference yield: 65.0%

acetic anhydride (108-24-7) + 3-Chloro-5-phenoxy-benzo[b]thiophene-2-carboxylic acid [1-(3-bromo-phenyl)-meth-(E)-ylidene]-hydrazide (660394-84-3) → 1-[2-(3-bromo-phenyl)-5-(3-chloro-5-phenoxy-benzo[b]thiophen-2-yl)-[1,3,4]oxadiazol-3-yl]-ethanone

Guidance literature:

Heating;

upstream raw materials:

m-bromobenzoic aldehyde

2-hydrazinocarbonyl-3-chloro-5-phenoxy-benzo(b)thiophene

3-chloro-5-phenoxybenzothiophene-2-carbonyl chloride

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