3-[2-(tert-butyldiphenylsilyloxy)ethyl]-2,4-dibromo-5-methylthiophene

Base Information

Chemical Name:3-[2-(tert-butyldiphenylsilyloxy)ethyl]-2,4-dibromo-5-methylthiophene
CAS No.:1313189-34-2
Molecular Formula:C₂₃H₂₆Br₂OSSi
Molecular Weight:538.418
Hs Code.:

Synonyms:3-[2-(tert-butyldiphenylsilyloxy)ethyl]-2,4-dibromo-5-methylthiophene

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Chemical Property of 3-[2-(tert-butyldiphenylsilyloxy)ethyl]-2,4-dibromo-5-methylthiophene

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Technology Process of 3-[2-(tert-butyldiphenylsilyloxy)ethyl]-2,4-dibromo-5-methylthiophene

There total 6 articles about 3-[2-(tert-butyldiphenylsilyloxy)ethyl]-2,4-dibromo-5-methylthiophene 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: 89.0%

: 1313189-38-6
3-bromo-4-[2-(tert-butyldiphenylsilyloxy)ethyl]-2-methylthiophene

: 1313189-34-2
3-[2-(tert-butyldiphenylsilyloxy)ethyl]-2,4-dibromo-5-methylthiophene

Guidance literature:: With bromine; potassium acetate; acetic acid; at 0 ℃; Inert atmosphere;
DOI:10.1002/ejoc.201100166

Reference yield: 67.0%

: 1313189-33-1
4-[2-(tert-butyldiphenylsilyloxy)ethyl]-2-methylthiophene

: 1313189-34-2
3-[2-(tert-butyldiphenylsilyloxy)ethyl]-2,4-dibromo-5-methylthiophene

Guidance literature:: With bromine; potassium acetate; acetic acid; at 0 - 20 ℃; Inert atmosphere;
DOI:10.1002/ejoc.201100166

Reference yield:

: 29421-92-9
4-bromo-2-methylthiophene

: 1313189-34-2
3-[2-(tert-butyldiphenylsilyloxy)ethyl]-2,4-dibromo-5-methylthiophene

Guidance literature:: Multi-step reaction with 3 steps

1.1: n-butyllithium / tetrahydrofuran; hexane; toluene / 0.5 h / -78 °C / Inert atmosphere

1.2: 0.05 h / -78 °C / Inert atmosphere

1.3: 1 h / -78 °C / Inert atmosphere

2.1: 1H-imidazole / N,N-dimethyl-formamide / 0 - 20 °C / Inert atmosphere

3.1: bromine; potassium acetate; acetic acid / 0 - 20 °C / Inert atmosphere

With 1H-imidazole; n-butyllithium; bromine; potassium acetate; acetic acid; In tetrahydrofuran; hexane; N,N-dimethyl-formamide; toluene;
DOI:10.1002/ejoc.201100166