4'''''-bromo-2',2''''',4,5',5'''''-tetramethyl-4-methoxycarbonyl(hexa-p-phenylene)

Base Information

Chemical Name:4'''''-bromo-2',2''''',4,5',5'''''-tetramethyl-4-methoxycarbonyl(hexa-p-phenylene)
CAS No.:1290084-79-5
Molecular Formula:C₄₂H₃₅BrO₂
Molecular Weight:651.643
Hs Code.:

Synonyms:4'''''-bromo-2',2''''',4,5',5'''''-tetramethyl-4-methoxycarbonyl(hexa-p-phenylene)

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Chemical Property of 4'''''-bromo-2',2''''',4,5',5'''''-tetramethyl-4-methoxycarbonyl(hexa-p-phenylene)

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Technology Process of 4'''''-bromo-2',2''''',4,5',5'''''-tetramethyl-4-methoxycarbonyl(hexa-p-phenylene)

There total 3 articles about 4'''''-bromo-2',2''''',4,5',5'''''-tetramethyl-4-methoxycarbonyl(hexa-p-phenylene) 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: 54.0%

: 57615-50-6
4,4''''-dibromo-2,2'''',5,5''''-tetramethyl-(penta-p-phenylene)

: 171364-80-0
methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate

: 1290084-79-5
4'''''-bromo-2',2''''',4,5',5'''''-tetramethyl-4-methoxycarbonyl(hexa-p-phenylene)

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; silver carbonate; In tetrahydrofuran; at 20 ℃; for 12h; regiospecific reaction; Inert atmosphere;
DOI:10.1016/j.tet.2011.02.025

Reference yield:

: (4-bromo-2,5-dimethylphenyl)boronic acid

: 1290084-79-5
4'''''-bromo-2',2''''',4,5',5'''''-tetramethyl-4-methoxycarbonyl(hexa-p-phenylene)

Guidance literature:: Multi-step reaction with 2 steps

1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; caesium carbonate / methanol; toluene / 12 h / 20 °C / Inert atmosphere

2: tetrakis(triphenylphosphine) palladium⁽⁰⁾; silver carbonate / tetrahydrofuran / 12 h / 20 °C / Inert atmosphere

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; caesium carbonate; silver carbonate; In tetrahydrofuran; methanol; toluene; 1: Suzuki-Miyaura cross coupling / 2: Suzuki-Miyaura cross coupling;
DOI:10.1016/j.tet.2011.02.025

Reference yield:

: 19053-14-6
4,4''-diiodo-1,1':4',1''-terphenyl

: 1290084-79-5
4'''''-bromo-2',2''''',4,5',5'''''-tetramethyl-4-methoxycarbonyl(hexa-p-phenylene)

Guidance literature:: Multi-step reaction with 2 steps

1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; caesium carbonate / methanol; toluene / 12 h / 20 °C / Inert atmosphere

2: tetrakis(triphenylphosphine) palladium⁽⁰⁾; silver carbonate / tetrahydrofuran / 12 h / 20 °C / Inert atmosphere

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; caesium carbonate; silver carbonate; In tetrahydrofuran; methanol; toluene; 1: Suzuki-Miyaura cross coupling / 2: Suzuki-Miyaura cross coupling;
DOI:10.1016/j.tet.2011.02.025