5,5''-bis-biphenyl-4-yl-2,2''-dimethyl-2',5'-dihydro-[3,3';4',3'']terthiophene

Base Information

Chemical Name:5,5''-bis-biphenyl-4-yl-2,2''-dimethyl-2',5'-dihydro-[3,3';4',3'']terthiophene
CAS No.:888743-95-1
Molecular Formula:C₃₈H₃₀S₃
Molecular Weight:582.854
Hs Code.:

Synonyms:5,5''-bis-biphenyl-4-yl-2,2''-dimethyl-2',5'-dihydro-[3,3';4',3'']terthiophene

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Chemical Property of 5,5''-bis-biphenyl-4-yl-2,2''-dimethyl-2',5'-dihydro-[3,3';4',3'']terthiophene

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Technology Process of 5,5''-bis-biphenyl-4-yl-2,2''-dimethyl-2',5'-dihydro-[3,3';4',3'']terthiophene

There total 2 articles about 5,5''-bis-biphenyl-4-yl-2,2''-dimethyl-2',5'-dihydro-[3,3';4',3'']terthiophene 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: 82.0%

: 888743-90-6
3,4-bis-(5-iodo-2-methylthien-3-yl)-2,5-dihydrothiophene

: 5122-94-1
4-biphenylboronic acid

: 888743-95-1
5,5''-bis-biphenyl-4-yl-2,2''-dimethyl-2',5'-dihydro-[3,3';4',3'']terthiophene

Guidance literature:: 3,4-bis-(5-iodo-2-methylthien-3-yl)-2,5-dihydrothiophene; With potassium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; at 20 ℃; for 0.166667h;

4-biphenylboronic acid; In tetrahydrofuran; Heating;
DOI:10.1055/s-2006-933108

Reference yield:

: 528604-88-8
3,4-bis-[2,2'-dimethyl-5,5'-(dichlorodithienyl)]-2,5-dihydrothiophene

: 888743-95-1
5,5''-bis-biphenyl-4-yl-2,2''-dimethyl-2',5'-dihydro-[3,3';4',3'']terthiophene

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-BuLi / tetrahydrofuran; hexane / 0.5 h / -50 °C

1.2: 63 percent / I₂ / tetrahydrofuran; hexane / -78 - -20 °C

2.1: K₂CO₃ / Pd(PPh₃)4 / tetrahydrofuran / 0.17 h / 20 °C

2.2: 82 percent / tetrahydrofuran / Heating

With n-butyllithium; potassium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; hexane; 2.1: Suzuki coupling;
DOI:10.1055/s-2006-933108