3,3'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)bis(2H-pyrazole)

Base Information

Chemical Name:3,3'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)bis(2H-pyrazole)
CAS No.:1329438-86-9
Molecular Formula:C₁₉H₁₄N₄S₂
Molecular Weight:362.479
Hs Code.:

Synonyms:3,3'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)bis(2H-pyrazole)

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Chemical Property of 3,3'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)bis(2H-pyrazole)

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Technology Process of 3,3'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)bis(2H-pyrazole)

There total 3 articles about 3,3'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)bis(2H-pyrazole) 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: 62.0%

: 1379587-33-3
1,1'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)bis(3-dimethylaminoprop-2-en-1-one)

: 1329438-86-9
3,3'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)bis(2H-pyrazole)

Guidance literature:: With hydrazine; In ethanol; for 6h; Reflux;
DOI:10.3390/molecules16086502

Reference yield:

: 1329438-77-8
1,1'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)diethanone

: 1329438-86-9
3,3'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)bis(2H-pyrazole)

Guidance literature:: Multi-step reaction with 2 steps

1: m-xylene / 10 h / Reflux

2: hydrazine / ethanol / 6 h / Reflux

With hydrazine; In ethanol; m-xylene;
DOI:10.3390/molecules16086502

Reference yield:

: 93-91-4
1-phenylbutan-1,3-dione

: 1329438-86-9
3,3'-(3-methyl-4-phenylthieno[2,3-b]thiophene-2,5-diyl)bis(2H-pyrazole)

Guidance literature:: Multi-step reaction with 3 steps

1.1: potassium carbonate / N,N-dimethyl-formamide / 0.08 h / 20 °C

1.2: 0.5 h

1.3: 0.75 h / Cooling with ice

2.1: m-xylene / 10 h / Reflux

3.1: hydrazine / ethanol / 6 h / Reflux

With potassium carbonate; hydrazine; In ethanol; N,N-dimethyl-formamide; m-xylene;
DOI:10.3390/molecules16086502