spirothiophene>

Base Information

Chemical Name:spirothiophene>
CAS No.:76177-66-7
Molecular Formula:C₁₇H₁₂N₂O₄S
Molecular Weight:340.359
Hs Code.:

spiro<Dimethyl Pyrazole-4,5-dicarboxylate-3,4'-4H-indeno<1,2-b>thiophene>

Synonyms:

Suppliers and Price of spirothiophene>

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of spirothiophene>

Chemical Property:

Purity/Quality:

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Technology Process of spirothiophene>

There total 3 articles about spirothiophene> 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%

: 76177-64-5
4-Diazoindeno<1,2-b>thiophene

: 762-42-5
dimethyl acetylenedicarboxylate

: 76177-66-7
spirothiophene>

Guidance literature:: In diethyl ether; at 0 ℃; for 3h;
DOI:10.1021/jo00333a006

Reference yield:

: 5706-08-1
4H-Indeno<1,2-b>thiophen-4-one

: 76177-66-7
spirothiophene>

Guidance literature:: Multi-step reaction with 3 steps

1: 91 percent / Hydrazine / ethanol / 0.5 h / Heating

2: 90 percent / yellow HgO, Na₂SO₄, aq. KOH / diethyl ether / 24 h / Ambient temperature

3: 54 percent / diethyl ether / 3 h / 0 °C

With potassium hydroxide; sodium sulfate; mercury(II) oxide; hydrazine; In diethyl ether; ethanol;
DOI:10.1021/jo00333a006

Reference yield:

: 78515-59-0
4H-Indeno<1,2-b>thiophen-4-one Hydrazone

: 76177-66-7
spirothiophene>

Guidance literature:: Multi-step reaction with 2 steps

1: 90 percent / yellow HgO, Na₂SO₄, aq. KOH / diethyl ether / 24 h / Ambient temperature

2: 54 percent / diethyl ether / 3 h / 0 °C

With potassium hydroxide; sodium sulfate; mercury(II) oxide; In diethyl ether;
DOI:10.1021/jo00333a006