2,5-bis(2-formylphenyl)thiophene

Base Information

Chemical Name:2,5-bis(2-formylphenyl)thiophene
CAS No.:107793-02-2
Molecular Formula:C₁₈H₁₂O₂S
Molecular Weight:292.358
Hs Code.:

Synonyms:2,5-bis(2-formylphenyl)thiophene

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Chemical Property of 2,5-bis(2-formylphenyl)thiophene

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Technology Process of 2,5-bis(2-formylphenyl)thiophene

There total 5 articles about 2,5-bis(2-formylphenyl)thiophene 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: 87.0%

: 3141-27-3
2,5-dibromothiophen

: 40138-16-7
2-formylbenzene boronic acid

: 107793-02-2
2,5-bis(2-formylphenyl)thiophene

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate; In ethanol; water; toluene; at -78 - 80 ℃; for 24h;
DOI:10.1002/chem.201500248

Reference yield:

: 2142-69-0
2-bromophenyl methyl ketone

: 107793-02-2
2,5-bis(2-formylphenyl)thiophene

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) PCl₅, 2.) KOH / 1.) 90 deg C, 15 min, 2.) EtOH, reflux, 4 h

2: 59 percent / Cu(OAc)2 / diethyl ether; methanol; pyridine / 6 h / Heating

3: 72.4 percent / NaOEt, H₂S / ethanol / 1.5 h / Heating

4: 1.) n-BuLi / 1.) hexane, THF, -78 deg C, 15 min, 2.) up to room temp., overnight

With potassium hydroxide; n-butyllithium; copper diacetate; phosphorus pentachloride; hydrogen sulfide; sodium ethanolate; In pyridine; methanol; diethyl ether; ethanol;

Reference yield:

: 766-46-1
2-bromo-1-ethynylbenzene

: 107793-02-2
2,5-bis(2-formylphenyl)thiophene

Guidance literature:: Multi-step reaction with 3 steps

1: 59 percent / Cu(OAc)2 / diethyl ether; methanol; pyridine / 6 h / Heating

2: 72.4 percent / NaOEt, H₂S / ethanol / 1.5 h / Heating

3: 1.) n-BuLi / 1.) hexane, THF, -78 deg C, 15 min, 2.) up to room temp., overnight

With n-butyllithium; copper diacetate; hydrogen sulfide; sodium ethanolate; In pyridine; methanol; diethyl ether; ethanol;