3-Bromo-5-(O-methoxymethyl-3',5'-di-tert-butyl-4'-hydroxyphenyl)-2-methylthiophene

Base Information

Chemical Name:3-Bromo-5-(O-methoxymethyl-3',5'-di-tert-butyl-4'-hydroxyphenyl)-2-methylthiophene
CAS No.:169173-78-8
Molecular Formula:C₂₁H₂₉BrO₂S
Molecular Weight:425.43
Hs Code.:

Synonyms:3-Bromo-5-(O-methoxymethyl-3',5'-di-tert-butyl-4'-hydroxyphenyl)-2-methylthiophene

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Chemical Property of 3-Bromo-5-(O-methoxymethyl-3',5'-di-tert-butyl-4'-hydroxyphenyl)-2-methylthiophene

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Technology Process of 3-Bromo-5-(O-methoxymethyl-3',5'-di-tert-butyl-4'-hydroxyphenyl)-2-methylthiophene

There total 2 articles about 3-Bromo-5-(O-methoxymethyl-3',5'-di-tert-butyl-4'-hydroxyphenyl)-2-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: 92.0%

: 154566-69-5
3-bromo-2-methylthiophene-5-boronic acid

: 169173-76-6
O-Methoxymethyl-2,6-di-tert-butyl-4-iodophenol

: 169173-78-8
3-Bromo-5-(O-methoxymethyl-3',5'-di-tert-butyl-4'-hydroxyphenyl)-2-methylthiophene

Guidance literature:: With sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; for 1.5h; Heating;

Reference yield:

: 40084-31-9
2,6-Di-tert-butyl-4-iodophenol

: 169173-78-8
3-Bromo-5-(O-methoxymethyl-3',5'-di-tert-butyl-4'-hydroxyphenyl)-2-methylthiophene

Guidance literature:: Multi-step reaction with 2 steps

1: 60 percent / n-BuLi / tetrahydrofuran; hexane / 1.) -78 deg C, 5 min, 2.) r.t., 2.5 h

2: 92 percent / aq. Na₂CO₃ / tetrakis(triphenylphosphine)palladium⁽⁰⁾ / tetrahydrofuran / 1.5 h / Heating

With n-butyllithium; sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; hexane;

Reference yield:

: 169173-78-8
3-Bromo-5-(O-methoxymethyl-3',5'-di-tert-butyl-4'-hydroxyphenyl)-2-methylthiophene

: 169173-75-5
1,2-Bis-<5'-(3'',5''-di-tert-butyl-4''-hydroxyphenyl)-2'-methylthien-3'-yl>perfluorocyclopentene

Guidance literature:: Multi-step reaction with 2 steps

1: n-BuLi / tetrahydrofuran; hexane / 1.) -78 deg C, 40 min, 2.) -78 deg C, 2 h

2: conc. aq. HCl / tetrahydrofuran / 60 h / Ambient temperature

With hydrogenchloride; n-butyllithium; In tetrahydrofuran; hexane;