2-Brom-5-(3,5-dibrom-2-methoxyphenyl)thiophen

Base Information

Chemical Name:2-Brom-5-(3,5-dibrom-2-methoxyphenyl)thiophen
CAS No.:121789-77-3
Molecular Formula:C₁₁H₇Br₃OS
Molecular Weight:426.954
Hs Code.:

Synonyms:

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Chemical Property of 2-Brom-5-(3,5-dibrom-2-methoxyphenyl)thiophen

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Technology Process of 2-Brom-5-(3,5-dibrom-2-methoxyphenyl)thiophen

There total 10 articles about 2-Brom-5-(3,5-dibrom-2-methoxyphenyl)thiophen 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:

: 13130-23-9
3,5-dibromo-2-methoxybenzoic acid

: 121789-77-3
2-Brom-5-(3,5-dibrom-2-methoxyphenyl)thiophen

Guidance literature:: Multi-step reaction with 5 steps

1: thionyl chloride / 1 h / Heating

2: 1.) Mg

3: 1.) glacial acetic acid, conc. HCl; 2.) glacial acetic acid, conc. HCl / 1.) water, 3 d, RT; 2.) water, 3 d, RT

4: 95 percent / H₂S (gas), HCl (gas) / CHCl₃; ethanol / 2 h

5: pyridinium hydrobromide perbromide / ethanol / 0.17 h / Ambient temperature

With hydrogenchloride; thionyl chloride; hydrogen sulfide; pyridinium hydrobromide perbromide; magnesium; acetic acid; In ethanol; chloroform;

Reference yield:

: 15790-59-7
3,5-dibromo-2-methoxy-benzoic acid methyl ester

: 121789-77-3
2-Brom-5-(3,5-dibrom-2-methoxyphenyl)thiophen

Guidance literature:: Multi-step reaction with 6 steps

1: 96 percent / KOH / methanol; H₂O / 4 h / Heating

2: thionyl chloride / 1 h / Heating

3: 1.) Mg

4: 1.) glacial acetic acid, conc. HCl; 2.) glacial acetic acid, conc. HCl / 1.) water, 3 d, RT; 2.) water, 3 d, RT

5: 95 percent / H₂S (gas), HCl (gas) / CHCl₃; ethanol / 2 h

6: pyridinium hydrobromide perbromide / ethanol / 0.17 h / Ambient temperature

With hydrogenchloride; potassium hydroxide; thionyl chloride; hydrogen sulfide; pyridinium hydrobromide perbromide; magnesium; acetic acid; In methanol; ethanol; chloroform; water;

Reference yield:

: 89892-33-1
3,5-Dibromo-2-methoxy-benzoyl chloride

: 121789-77-3
2-Brom-5-(3,5-dibrom-2-methoxyphenyl)thiophen

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) Mg

2: 1.) glacial acetic acid, conc. HCl; 2.) glacial acetic acid, conc. HCl / 1.) water, 3 d, RT; 2.) water, 3 d, RT

3: 95 percent / H₂S (gas), HCl (gas) / CHCl₃; ethanol / 2 h

4: pyridinium hydrobromide perbromide / ethanol / 0.17 h / Ambient temperature

With hydrogenchloride; hydrogen sulfide; pyridinium hydrobromide perbromide; magnesium; acetic acid; In ethanol; chloroform;